21397937400
21,397,937,400 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21397937400 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 1152 divisors.
21397937400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, one hundred fifty-two divisors.
Prime factorization of 21397937400:
23 × 33 × 52 × 72 × 17 × 67 × 71
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 17 × 67 × 71)See below for interesting mathematical facts about the number 21397937400 from the Numbermatics database.
Names of 21397937400
- Cardinal: 21397937400 can be written as Twenty-one billion, three hundred ninety-seven million, nine hundred thirty-seven thousand, four hundred.
Scientific notation
- Scientific notation: 2.13979374 × 1010
Factors of 21397937400
Divisors of 21397937400
- Number of divisors d(n): 1152
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 17 18 20 21 24 25 27 28 30 34 35 36 40 42 45 49 50 51 54 56 60 63 67 68 70 71 72 75 84 85 90 98 100 102 105 108 119 120 126 134 135 136 140 142 147 150 153 168 170 175 180 189 196 200 201 204 210 213 216 225 238 245 252 255 268 270 280 284 294 300 306 315 335 340 350 355 357 360 378 392 402 408 420 425 426 441 450 459 469 476 490 497 504 510 525 536 540 568 588 595 600 603 612 630 639 670 675 680 700 710 714 735 756 765 804 833 840 850 852 882 900 918 938 945 952 980 994 1005 1020 1050 1065 1071 1080 1139 1176 1190 1206 1207 1224 1225 1260 1275 1278 1323 1340 1350 1400 1407 1420 1428 1470 1491 1512 1530 1575 1608 1666 1675 1700 1704 1764 1775 1785 1800 1809 1836 1876 1890 1917 1960 1988 2010 2040 2100 2130 2142 2205 2278 2295 2345 2380 2412 2414 2450 2485 2499 2520 2550 2556 2646 2680 2700 2814 2840 2856 2940 2975 2982 3015 3060 3150 3195 3213 3283 3332 3350 3400 3417 3479 3528 3550 3570 3618 3621 3672 3675 3752 3780 3825 3834 3976 4020 4165 4200 4221 4260 4284 4410 4473 4556 4590 4690 4725 4757 4760 4824 4828 4900 4970 4998 5025 5100 5112 5292 5325 5355 5400 5628 5695 5880 5950 5964 6030 6035 6120 6300 6390 6426 6566 6615 6664 6700 6834 6958 7035 7100 7140 7236 7242 7350 7455 7497 7560 7650 7668 7973 8040 8330 8442 8449 8520 8568 8820 8925 8946 9045 9112 9180 9380 9450 9514 9585 9656 9800 9849 9940 9996 10050 10200 10251 10437 10584 10650 10710 10863 11025 11256 11390 11475 11725 11900 11928 12060 12070 12425 12495 12600 12663 12780 12852 13132 13230 13400 13419 13668 13916 14070 14200 14271 14280 14472 14484 14700 14910 14994 15075 15300 15336 15946 15975 16065 16415 16660 16884 16898 17085 17395 17640 17850 17892 18090 18105 18360 18760 18900 19028 19170 19698 19880 19992 20100 20502 20825 20874 21105 21300 21420 21726 22050 22365 22491 22780 22950 23450 23785 23800 23919 24120 24140 24850 24990 25326 25347 25560 25704 26264 26460 26775 26838 27336 27832 28140 28475 28542 28968 29400 29547 29820 29988 30150 30175 30600 30753 31311 31892 31950 32130 32589 32830 33075 33299 33320 33768 33796 34170 34790 35175 35700 35784 36180 36210 37275 37485 37800 38056 38340 39396 39865 40200 41004 41650 41748 42210 42245 42600 42813 42840 43452 44100 44730 44982 45225 45560 45900 46900 47570 47838 47925 48280 49245 49700 49980 50652 50694 51255 52185 52920 53550 53676 54315 55811 56280 56950 57084 59094 59143 59640 59976 60300 60350 61506 62475 62622 63315 63784 63900 64260 65178 65660 66150 66598 67095 67592 68340 69580 70350 71355 71400 71757 72360 72420 74550 74970 76041 76680 78792 79730 80325 80869 82008 82075 83300 83496 84420 84490 85425 85626 86904 86975 88200 88641 89460 89964 90450 90525 91800 93800 93933 95140 95676 95850 98490 99400 99897 99960 101304 101388 102510 104370 105525 107100 107352 108630 111622 111825 112455 113900 114168 118188 118286 118925 119595 120600 120700 123012 124950 125244 126630 126735 127800 128439 128520 130356 131320 132300 133196 134190 136680 139160 140700 142710 143514 144840 147735 149100 149940 152082 153765 156555 159460 160650 161738 162945 164150 166495 166600 167433 168840 168980 170850 171252 173950 177282 177429 178920 179928 180900 181050 187425 187866 190280 191352 191700 196980 199325 199794 202776 205020 208740 211050 211225 214065 214200 215271 217260 223244 223650 224910 227800 228123 233093 236376 236572 237850 239190 241400 242607 246024 246225 249900 250488 253260 253470 256275 256878 260712 260925 264600 266392 268380 271575 279055 281400 285420 287028 295470 295715 298200 299691 299880 304164 307530 313110 316575 318920 321300 323476 325890 328300 332990 334866 335475 337960 341700 342504 347900 354564 354858 356775 358785 361800 362100 374850 375732 380205 383400 393960 398650 399588 404345 410040 417480 422100 422450 428130 430542 434520 443205 446488 447300 449820 456246 466186 469665 473144 475700 478380 485214 492450 499485 499800 502299 506520 506940 512550 513756 521850 532287 536760 543150 558110 562275 566083 570840 574056 590940 591430 597975 599382 608328 615060 626220 633150 633675 642195 642600 646952 651780 656600 665980 669732 670950 683400 695800 699279 709128 709716 713550 717570 724200 727821 738675 749700 751464 760410 768825 782775 797300 799176 808690 814725 832475 837165 844200 844900 856260 861084 886410 887145 894600 899073 899640 912492 932372 939330 951400 956760 970428 984900 998970 1004598 1013880 1025100 1027512 1043700 1064574 1070325 1076355 1086300 1116220 1124550 1132166 1140615 1165465 1181880 1182860 1195950 1198764 1213035 1230120 1252440 1266300 1267350 1284390 1303560 1331960 1339464 1341900 1395275 1398558 1419432 1427100 1435140 1455642 1477350 1478575 1498455 1499400 1506897 1520820 1537650 1565550 1594600 1596861 1617380 1629450 1664950 1674330 1689800 1698249 1712520 1722168 1772820 1774290 1793925 1798146 1824984 1864744 1878660 1901025 1940856 1969800 1997940 2009196 2021725 2050200 2087400 2097837 2129148 2140650 2152710 2172600 2183463 2216025 2232440 2249100 2264332 2281230 2330930 2348325 2365720 2391900 2397528 2426070 2497425 2511495 2532600 2534700 2568780 2661435 2683800 2790550 2797116 2830415 2854200 2870280 2911284 2954700 2957150 2996910 3013794 3041640 3075300 3131100 3193722 3210975 3234760 3258900 3329900 3348660 3396498 3496395 3545640 3548580 3587850 3596292 3639105 3757320 3802050 3962581 3995880 4018392 4043450 4185825 4195674 4258296 4281300 4305420 4366926 4432050 4435725 4495365 4498200 4528664 4562460 4661860 4696650 4783800 4852140 4994850 5022990 5069400 5094747 5137560 5322870 5381775 5581100 5594232 5660830 5703075 5822568 5827325 5909400 5914300 5993820 6027588 6065175 6150600 6262200 6293511 6387444 6421950 6517800 6659800 6697320 6792996 6992790 7097160 7175700 7192584 7278210 7492275 7534485 7604100 7925162 7984305 8086900 8371650 8391348 8491245 8562600 8610840 8733852 8864100 8871450 8990730 9124920 9323720 9393300 9704280 9989700 10045980 10189494 10489185 10645740 10763550 10917315 11162200 11321660 11406150 11654650 11828600 11887743 11987640 12055176 12130350 12557475 12587022 12774888 12843900 13307175 13585992 13985580 14152075 14351400 14556420 14984550 15068970 15208200 15284241 15850324 15968610 16173800 16743300 16782696 16982490 17467704 17481975 17728200 17742900 17981460 18195525 18786600 19812905 19979400 20091960 20378988 20978370 21291480 21527100 21834630 22476825 22643320 22812300 23309300 23775486 24260700 25114950 25174044 25473735 25687800 26614350 27971160 28304150 29112840 29969100 30137940 30568482 31467555 31700648 31937220 33486600 33964980 34963950 35485800 35663229 35962920 36391050 37672425 39625810 39921525 40757976 41956740 42456225 43054200 43669260 44953650 45624600 46618600 47550972 48521400 50229900 50348088 50947470 52445925 53228700 54586575 56608300 59438715 59938200 60275880 61136964 62935110 63874440 67929960 69927900 71326458 72782100 75344850 76421205 79251620 79843050 83913480 84912450 87338520 89907300 95101944 99064525 100459800 101894940 104891850 106457400 106989687 109173150 113216600 118877430 122273928 125870220 127368675 139855800 142652916 145564200 150689700 152842410 157337775 158503240 159686100 169824900 178316145 179814600 198129050 203789880 209783700 213979374 218346300 237754860 251740440 254737350 285305832 297193575 301379400 305684820 314675550 319372200 339649800 356632290 382106025 396258100 419567400 427958748 436692600 475509720 509474700 534948435 594387150 611369640 629351100 713264580 764212050 792516200 855917496 891580725 1018949400 1069896870 1188774300 1258702200 1426529160 1528424100 1783161450 2139793740 2377548600 2674742175 3056848200 3566322900 4279587480 5349484350 7132645800 10698968700 21397937400
- Sum of all divisors σ(n): 93433305600
- Sum of proper divisors (its aliquot sum) s(n): 72035368200
- 21397937400 is an abundant number, because the sum of its proper divisors (72035368200) is greater than itself. Its abundance is 50637430800
Bases of 21397937400
- Binary: 100111110110110101010011100111110002
- Hexadecimal: 0x4FB6A9CF8
- Base-36: 9TVS260
Squares and roots of 21397937400
- 21397937400 squared (213979374002) is 457871724974318760000
- 21397937400 cubed (213979374003) is 9797510508230489434125624000000
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The
square root of 21397937400 is 146280.3383917333 -
The
cube root of 21397937400 is 2776.2418984753
Scales and comparisons
How big is 21397937400?- 21,397,937,400 seconds is equal to 680 years, 20 weeks, 1 day, 7 hours, 30 minutes.
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To count from 1 to 21,397,937,400 would take you about one thousand, three hundred sixty years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21397937400 cubic inches would be around 231.4 feet tall.
Recreational maths with 21397937400
- 21397937400 backwards is 00473979312
- 21397937400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21397937400's digits is 45
- More coming soon!
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The information we have on file for 21397937400 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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