21309974400

Names of 21309974400

• Cardinal: 21309974400 can be written as Twenty-one billion, three hundred nine million, nine hundred seventy-four thousand, four hundred.

Scientific notation

• Scientific notation: 2.13099744 × 10¹⁰

Factors of 21309974400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 96

Divisors of 21309974400

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 19 20 22 24 25 26 30 32 33 38 39 40 43 44 48 50 52 55 57 60 64 65 66 75 76 78 80 86 88 95 96 100 104 110 114 120 128 129 130 132 143 150 152 156 160 165 172 176 190 192 195 200 208 209 215 220 228 240 247 258 260 264 275 285 286 300 304 312 320 325 330 344 352 361 380 384 390 400 416 418 429 430 440 456 473 475 480 494 516 520 528 550 559 570 572 600 608 624 627 640 645 650 660 688 704 715 722 741 760 780 800 817 825 832 836 858 860 880 912 946 950 960 975 988 1032 1040 1045 1056 1075 1083 1100 1118 1140 1144 1200 1216 1235 1248 1254 1290 1300 1320 1376 1408 1419 1425 1430 1444 1482 1520 1560 1600 1634 1650 1664 1672 1677 1716 1720 1760 1805 1824 1892 1900 1920 1950 1976 2064 2080 2090 2112 2145 2150 2166 2200 2236 2280 2288 2365 2400 2432 2451 2470 2496 2508 2580 2600 2640 2717 2752 2795 2838 2850 2860 2888 2964 3040 3120 3135 3200 3225 3268 3300 3344 3354 3432 3440 3520 3575 3610 3648 3705 3784 3800 3900 3952 3971 4085 4128 4160 4180 4224 4290 4300 4332 4400 4472 4560 4576 4693 4730 4800 4902 4940 4992 5016 5160 5200 5225 5280 5415 5434 5504 5590 5676 5700 5720 5776 5928 6080 6149 6175 6240 6270 6450 6536 6600 6688 6708 6864 6880 7040 7095 7150 7220 7296 7410 7568 7600 7800 7904 7942 8151 8170 8256 8320 8360 8385 8580 8600 8664 8800 8944 8987 9025 9120 9152 9386 9460 9600 9804 9880 10032 10320 10400 10450 10560 10621 10725 10830 10868 11180 11352 11400 11440 11552 11825 11856 11913 12160 12255 12298 12350 12480 12540 12900 13072 13200 13376 13416 13585 13728 13760 13975 14079 14190 14300 14440 14820 15136 15200 15523 15600 15675 15808 15884 16302 16340 16512 16720 16770 17160 17200 17328 17600 17888 17974 18050 18240 18304 18447 18525 18772 18920 19608 19760 19855 20064 20425 20640 20800 20900 21120 21242 21450 21660 21736 22360 22704 22800 22880 23104 23465 23650 23712 23826 24510 24596 24700 24960 25080 25800 26144 26400 26752 26832 26961 27075 27170 27456 27520 27950 28158 28380 28600 28880 29640 30272 30400 30745 31046 31200 31350 31616 31768 31863 32604 32680 33440 33540 34320 34400 34656 35200 35475 35776 35948 36100 36480 36894 37050 37544 37840 39216 39520 39710 40128 40755 40850 41280 41600 41800 41925 42484 42900 43320 43472 44720 44935 45408 45600 45760 46208 46569 46930 47300 47424 47652 49020 49192 49400 50160 51600 51623 52288 52800 53105 53664 53922 54150 54340 54912 55900 56316 56760 57200 57760 59280 59565 60544 60800 61275 61490 62092 62400 62700 63536 63726 65208 65360 66880 67080 67925 68640 68800 69312 70395 70950 71552 71896 72200 73788 74100 75088 75680 77615 78432 79040 79420 80256 81510 81700 82560 83600 83850 84968 85800 86640 86944 89440 89870 90816 91200 91520 92235 93138 93860 94600 94848 95304 98040 98384 98800 99275 100320 103200 103246 104576 105600 106210 107328 107844 108300 108680 111800 112632 113520 114400 115520 116831 117325 118560 119130 122550 122980 124184 124800 125400 127072 127452 130416 130720 133760 134160 134805 135850 137280 137600 138624 140790 141900 143792 144400 147576 148200 150176 151360 153725 154869 155230 156864 158080 158840 159315 163020 163400 167200 167700 169936 170753 171600 173280 173888 178880 179740 181632 182400 184470 186276 187720 189200 190608 196080 196768 197600 198550 200640 201799 203775 206400 206492 212420 214656 215688 216600 217360 223600 224675 225264 227040 228800 231040 232845 233662 234650 237120 238260 245100 245960 248368 250800 254144 254904 258115 260832 261440 265525 268320 269610 271700 274560 281580 283800 287584 288800 295152 296400 297825 300352 302720 307450 309738 310460 313728 317680 318630 326040 326800 334400 335400 339872 341506 343200 346560 347776 350493 351975 357760 359480 368940 372552 375440 378400 381216 388075 392160 393536 395200 397100 401280 403598 407550 412800 412984 424840 431376 433200 434720 447200 449350 450528 454080 457600 461175 465690 467324 469300 474240 476520 490200 491920 496736 501600 508288 509808 512259 516230 521664 522880 531050 536640 539220 543400 563160 567600 575168 577600 584155 590304 592800 595650 600704 605397 614900 619476 620920 635360 637260 652080 653600 668800 670800 674025 679744 683012 686400 693120 700986 703950 718960 737880 745104 750880 756800 762432 774345 776150 784320 787072 790400 794200 796575 807196 815100 825968 849680 853765 862752 866400 869440 894400 898700 901056 908160 922350 931380 934648 938600 953040 980400 983840 993472 1003200 1008995 1019616 1024518 1032460 1043328 1062100 1073280 1078440 1086800 1126320 1135200 1150336 1155200 1164225 1168310 1180608 1185600 1191300 1210794 1229800 1238952 1241840 1270720 1274520 1290575 1304160 1307200 1341600 1348050 1359488 1366024 1372800 1401972 1407900 1437920 1475760 1490208 1501760 1513600 1524864 1548690 1552300 1568640 1588400 1593150 1614392 1630200 1651936 1699360 1707530 1725504 1732800 1738880 1752465 1788800 1797400 1802112 1844700 1862760 1869296 1877200 1906080 1960800 1967680 1986944 2006400 2017990 2039232 2049036 2064920 2124200 2156880 2173600 2219789 2252640 2270400 2328450 2336620 2361216 2371200 2382600 2421588 2459600 2477904 2483680 2541440 2549040 2561295 2581150 2608320 2614400 2683200 2696100 2732048 2803944 2815800 2875840 2920775 2951520 2980416 3003520 3026985 3097380 3104600 3176800 3186300 3228784 3260400 3303872 3398720 3415060 3451008 3465600 3504930 3594800 3689400 3725520 3738592 3754400 3812160 3871725 3921600 3935360 4035980 4078464 4098072 4129840 4248400 4268825 4313760 4347200 4439578 4505280 4540800 4656900 4673240 4765200 4843176 4919200 4955808 4967360 5044975 5098080 5122590 5162300 5216640 5366400 5392200 5464096 5607888 5631600 5751680 5841550 5903040 5960832 6053970 6194760 6209200 6353600 6372600 6457568 6520800 6607744 6659367 6797440 6830120 7009860 7189600 7378800 7451040 7477184 7508800 7624320 7743450 7843200 8071960 8196144 8259680 8496800 8537650 8627520 8694400 8762325 8879156 9010560 9313800 9346480 9530400 9686352 9838400 9911616 9934720 10089950 10196160 10245180 10324600 10784400 10928192 11098945 11215776 11263200 11683100 11806080 12107940 12389520 12418400 12707200 12745200 12806475 12915136 13041600 13318734 13660240 14019720 14379200 14757600 14902080 14954368 15017600 15134925 15486900 16143920 16392288 16519360 16993600 17075300 17255040 17524650 17758312 18627600 18692960 19060800 19372704 19676800 19823232 20179900 20392320 20490360 20649200 21568800 21856384 22197890 22431552 22526400 23366200 24215880 24779040 24836800 25490400 25612950 25830272 26083200 26637468 27320480 28039440 28758400 29515200 29804160 30269850 30973800 32287840 32784576 33038720 33296835 33987200 34150600 35049300 35516624 37255200 37385920 38121600 38745408 40359800 40980720 41298400 43137600 44395780 44863104 45052800 46732400 48431760 49558080 49673600 50980800 51225900 53274936 54640960 55494725 56078880 59030400 60539700 61947600 64575680 65569152 66593670 68301200 70098600 71033248 74510400 74771840 77490816 80719600 81961440 82596800 86275200 88791560 93464800 96863520 99116160 101961600 102451800 106549872 109281920 110989450 112157760 121079400 123895200 129151360 133187340 136602400 140197200 142066496 149020800 161439200 163922880 165193600 166484175 177583120 186929600 193727040 204903600 213099744 221978900 224315520 242158800 247790400 266374680 273204800 280394400 284132992 322878400 327845760 332968350 355166240 373859200 387454080 409807200 426199488 443957800 484317600 495580800 532749360 546409600 560788800 645756800 665936700 710332480 819614400 852398976 887915600 968635200 1065498720 1121577600 1331873400 1420664960 1639228800 1775831200 1937270400 2130997440 2663746800 3551662400 4261994880 5327493600 7103324800 10654987200 21309974400
• Sum of all divisors σ(n): 89053050240
• Sum of proper divisors (its aliquot sum) s(n): 67743075840
• 21309974400 is an abundant number, because the sum of its proper divisors (67743075840) is greater than itself. Its abundance is 46433101440

Bases of 21309974400

• Binary: 10011110110001011000110011110000000₂
• Hexadecimal: 0x4F62C6780
• Base-36: 9SFEPHC

Squares and roots of 21309974400

• 21309974400 squared (21309974400²) is 454115008928655360000
• 21309974400 cubed (21309974400³) is 9677179214925417148022784000000
• The square root of 21309974400 is 145979.3629250381
• The cube root of 21309974400 is 2772.4324664827

Scales and comparisons

• 21,309,974,400 seconds is equal to 677 years, 30 weeks, 5 days, 5 hours, 20 minutes.
• To count from 1 to 21,309,974,400 would take you about one thousand, three hundred fifty-five 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 21309974400 cubic inches would be around 231 feet tall.

Recreational maths with 21309974400

• 21309974400 backwards is 00447990312
• 21309974400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21309974400's digits is 39
• More coming soon!