21445538400

Names of 21445538400

• Cardinal: 21445538400 can be written as Twenty-one billion, four hundred forty-five million, five hundred thirty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.14455384 × 10¹⁰

Factors of 21445538400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 218

Divisors of 21445538400

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 25 26 27 30 32 33 36 39 40 44 45 48 50 52 53 54 55 60 65 66 72 75 78 80 88 90 96 99 100 104 106 108 110 117 120 130 131 132 135 143 144 150 156 159 160 165 176 180 195 198 200 208 212 216 220 225 234 240 260 262 264 265 270 275 286 288 297 300 312 318 325 330 351 352 360 390 393 396 400 416 424 429 432 440 450 468 477 480 495 520 524 528 530 540 550 572 583 585 594 600 624 636 650 655 660 675 689 702 715 720 780 786 792 795 800 825 848 858 864 880 900 936 954 975 990 1040 1048 1056 1060 1080 1100 1144 1166 1170 1179 1188 1200 1248 1272 1287 1300 1310 1320 1325 1350 1378 1404 1430 1431 1440 1441 1485 1560 1572 1584 1590 1650 1696 1703 1716 1749 1755 1760 1800 1872 1908 1950 1965 1980 2067 2080 2096 2120 2145 2160 2200 2288 2332 2340 2358 2376 2385 2400 2475 2544 2574 2600 2620 2640 2650 2700 2756 2808 2860 2862 2882 2915 2925 2970 3120 3144 3168 3180 3275 3300 3406 3432 3445 3498 3510 3537 3575 3600 3744 3816 3861 3900 3930 3960 3975 4134 4192 4240 4290 4320 4323 4400 4576 4664 4680 4716 4752 4770 4950 5088 5109 5148 5200 5240 5247 5280 5300 5400 5512 5616 5720 5724 5764 5830 5850 5895 5940 6201 6240 6288 6360 6435 6550 6600 6812 6864 6890 6943 6996 7020 7074 7150 7155 7200 7205 7425 7579 7632 7722 7800 7860 7920 7950 8268 8480 8515 8580 8646 8745 8775 8800 9328 9360 9432 9504 9540 9825 9900 10218 10296 10335 10400 10480 10494 10600 10725 10800 11024 11232 11440 11448 11528 11660 11700 11790 11880 11925 12402 12576 12720 12870 12969 13100 13200 13624 13728 13780 13886 13992 14040 14148 14300 14310 14410 14575 14850 15158 15264 15327 15444 15600 15720 15741 15840 15900 16536 17030 17160 17225 17292 17490 17550 17685 18603 18656 18720 18733 18864 19080 19305 19650 19800 20436 20592 20670 20829 20960 20988 21200 21450 21600 21615 22048 22737 22880 22896 23056 23320 23400 23580 23760 23850 24804 25440 25545 25740 25938 26200 26235 26400 27248 27560 27772 27984 28080 28296 28600 28620 28820 29150 29475 29700 30316 30654 30888 31005 31200 31440 31482 31800 32175 33072 34060 34320 34450 34584 34715 34980 35100 35370 35775 36025 37206 37466 37728 37895 38160 38610 38907 39300 39600 40872 41184 41340 41658 41976 42400 42575 42900 43230 43725 45474 45792 45981 46112 46640 46800 47160 47520 47700 49608 51090 51480 51675 51876 52400 52470 54496 55120 55544 55968 56160 56199 56592 57200 57240 57640 58300 58950 59400 60632 61308 61776 62010 62487 62880 62964 63600 64350 64845 66144 68120 68211 68640 68900 69168 69430 69960 70200 70740 71550 72050 74412 74932 75790 76320 76373 76635 77220 77814 78600 78705 79200 81744 82680 83316 83952 85150 85800 86460 87450 88425 90259 90948 91962 93015 93280 93600 93665 94320 95400 96525 99216 102180 102960 103350 103752 104145 104800 104940 108075 110240 111088 112398 113184 113685 114400 114480 115280 116600 117900 118800 121264 122616 123552 124020 124974 125928 127200 127725 128700 129690 131175 136240 136422 137800 138336 138860 139920 140400 141480 143100 144100 148824 149864 151580 152746 153270 154440 155025 155628 157200 157410 163488 165360 166632 167904 168597 170300 171600 172920 173575 174900 176850 180518 181896 183924 186030 187330 187461 188640 189475 190800 193050 194535 198432 204360 204633 205920 206700 207504 208290 209880 216150 222176 224796 227370 228960 229119 229905 230560 233200 235800 237600 242528 245232 248040 249948 251856 255450 257400 259380 262350 270777 272480 272844 275600 277720 279840 280800 280995 282960 286200 288200 297648 299728 303160 305492 306540 308880 310050 311256 312435 314400 314820 324225 330720 333264 337194 340600 341055 343200 345840 347150 349800 353700 361036 363792 367848 372060 374660 374922 378950 381600 381865 383175 386100 389070 393525 408720 409266 413400 415008 416580 419760 432300 449592 451295 454740 458238 459810 465075 466400 468325 471600 490464 496080 499896 503712 505791 510900 514800 518760 520725 524700 541554 545688 551200 555440 561990 565920 568425 572400 576400 595296 599456 606320 610984 613080 617760 620100 622512 624870 629640 648450 666528 674388 681200 682110 687357 691680 694300 699600 707400 722072 727584 735696 744120 749320 749844 757900 763730 766350 772200 778140 787050 812331 817440 818532 826800 833160 839520 842985 864600 899184 902590 909480 916476 919620 930150 936650 937305 943200 972675 992160 992849 999792 1011582 1021800 1023165 1029600 1037520 1041450 1049400 1083108 1091376 1110880 1123980 1136850 1144800 1145595 1149525 1152800 1212640 1221968 1226160 1240200 1245024 1249740 1259280 1296900 1348776 1353885 1362400 1364220 1374714 1388600 1399200 1404975 1414800 1444144 1471392 1488240 1498640 1499688 1515800 1527460 1532700 1544400 1556280 1562175 1574100 1624662 1637064 1653600 1666320 1685970 1705275 1729200 1798368 1805180 1818960 1832952 1839240 1860300 1873300 1874610 1909325 1945350 1985698 1999584 2023164 2043600 2046330 2062071 2075040 2082900 2098800 2166216 2182752 2247960 2256475 2273700 2291190 2299050 2436993 2443936 2452320 2480400 2499480 2518560 2528955 2593800 2697552 2707770 2728440 2749428 2777200 2809950 2829600 2888288 2976480 2978547 2997280 2999376 3031600 3054920 3065400 3088800 3112560 3124350 3148200 3249324 3274128 3332640 3371940 3410550 3436785 3458400 3610360 3637920 3665904 3678480 3720600 3746600 3749220 3818650 3890700 3971396 4046328 4061655 4087200 4092660 4124142 4165800 4197600 4214925 4332432 4495920 4512950 4547400 4582380 4598100 4686525 4873986 4960800 4964245 4998960 5057910 5115825 5187600 5395104 5415540 5456880 5498856 5554400 5619900 5727975 5957094 5998752 6063200 6109840 6130800 6225120 6248700 6296400 6498648 6548256 6743880 6769425 6821100 6873570 7220720 7331808 7356960 7441200 7493200 7498440 7637300 7781400 7942792 8092656 8123310 8185320 8248284 8331600 8429850 8664864 8935641 8991840 9025900 9094800 9164760 9196200 9373050 9747972 9928490 9997920 10115820 10231650 10310355 10375200 10831080 10913760 10997712 11239800 11455950 11914188 12184965 12219680 12261600 12497400 12592800 12644775 12997296 13487760 13538850 13642200 13747140 14441440 14882400 14892735 14986400 14996880 15274600 15562800 15885584 16185312 16246620 16370640 16496568 16663200 16859700 17183925 17871282 18051800 18189600 18329520 18392400 18746100 19495944 19856980 20231640 20308275 20463300 20620710 21662160 21995424 22479600 22911900 23828376 24369930 24821225 24994800 25289550 25994592 26806923 26975520 27077700 27284400 27494280 29785470 29993760 30549200 31125600 31771168 32493240 32741280 32993136 33719400 34367850 35742564 36103600 36659040 36784800 37492200 38991888 39713960 40463280 40616550 40926600 41241420 43324320 44678205 44959200 45823800 47656752 48739860 49642450 49989600 50579100 51551775 53613846 54155400 54568800 54988560 59570940 60924825 61098400 64986480 65986272 67438800 68735700 71485128 72207200 74463675 74984400 77983776 79427920 80926560 81233100 81853200 82482840 89356410 91647600 95313504 97479720 99284900 101158200 103103550 107227692 108310800 109977120 119141880 121849650 129972960 134034615 134877600 137471400 142970256 148927350 149968800 158855840 162466200 163706400 164965680 178712820 183295200 194959440 198569800 202316400 206207100 214455384 216621600 223391025 238283760 243699300 268069230 274942800 285940512 297854700 324932400 329931360 357425640 389918880 397139600 404632800 412414200 428910768 446782050 476567520 487398600 536138460 549885600 595709400 649864800 670173075 714851280 794279200 824828400 857821536 893564100 974797200 1072276920 1191418800 1340346150 1429702560 1649656800 1787128200 1949594400 2144553840 2382837600 2680692300 3574256400 4289107680 5361384600 7148512800 10722769200 21445538400
• Sum of all divisors σ(n): 93549012480
• Sum of proper divisors (its aliquot sum) s(n): 72103474080
• 21445538400 is an abundant number, because the sum of its proper divisors (72103474080) is greater than itself. Its abundance is 50657935680

Bases of 21445538400

• Binary: 10011111110010000001111001001100000₂
• Hexadecimal: 0x4FE40F260
• Base-36: 9UO4BC0

Squares and roots of 21445538400

• 21445538400 squared (21445538400²) is 459911117265874560000
• 21445538400 cubed (21445538400³) is 9863041525912215886063104000000
• The square root of 21445538400 is 146442.9527153833
• The cube root of 21445538400 is 2778.2990129187

Scales and comparisons

• 21,445,538,400 seconds is equal to 681 years, 46 weeks, 6 days, 6 hours.
• To count from 1 to 21,445,538,400 would take you about one thousand, three hundred sixty-three 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 21445538400 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445538400

• 21445538400 backwards is 00483554412
• 21445538400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21445538400's digits is 36
• More coming soon!