21530874479040

Names of 21530874479040

• Cardinal: 21530874479040 can be written as Twenty-one trillion, five hundred thirty billion, eight hundred seventy-four million, four hundred seventy-nine thousand and forty.

Scientific notation

• Scientific notation: 2.153087447904 × 10¹³

Factors of 21530874479040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 525121

Divisors of 21530874479040

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 47 48 54 60 64 72 80 90 94 96 101 108 120 135 141 144 160 180 188 192 202 216 235 240 270 282 288 303 320 360 376 404 423 432 470 480 505 540 564 576 606 705 720 752 808 846 864 909 940 960 1010 1080 1128 1212 1269 1410 1440 1504 1515 1616 1692 1728 1818 1880 2020 2115 2160 2256 2424 2538 2727 2820 2880 3008 3030 3232 3384 3636 3760 4040 4230 4320 4512 4545 4747 4848 5076 5454 5640 6060 6345 6464 6768 7272 7520 8080 8460 8640 9024 9090 9494 9696 10152 10908 11280 12120 12690 13536 13635 14241 14544 15040 16160 16920 18180 18988 19392 20304 21816 22560 23735 24240 25380 27072 27270 28482 29088 32320 33840 36360 37976 40608 42723 43632 45120 47470 48480 50760 54540 56964 58176 67680 71205 72720 75952 81216 85446 87264 94940 96960 101520 109080 113928 128169 135360 142410 145440 151904 170892 174528 189880 203040 213615 218160 227856 256338 284820 290880 303808 341784 379760 406080 427230 436320 455712 512676 524963 569640 640845 683568 759520 854460 872640 911424 1025352 1049926 1139280 1281690 1367136 1519040 1574889 1708920 2050704 2099852 2278560 2563380 2624815 2734272 3149778 3417840 4101408 4199704 4557120 4724667 5126760 5249630 6299556 6835680 7874445 8202816 8399408 9449334 10253520 10499260 12599112 13671360 14174001 15748890 16798816 18898668 20507040 20998520 23623335 24673261 25198224 28348002 31497780 33597632 37797336 41014080 41997040 47246670 49346522 50396448 53021263 56696004 62995560 70870005 74019783 75594672 83994080 94493340 98693044 100792896 106042526 113392008 123366305 125991120 141740010 148039566 151189344 159063789 167988160 188986680 197386088 212085052 222059349 226784016 246732610 251982240 265106315 283480020 296079132 302378688 318127578 370098915 377973360 394772176 424170104 444118698 453568032 477191367 493465220 503964480 530212630 566960040 592158264 636255156 666178047 740197830 755946720 789544352 795318945 848340208 888237396 907136064 954382734 986930440 1060425260 1110296745 1133920080 1184316528 1272510312 1332356094 1431574101 1480395660 1511893440 1579088704 1590637890 1696680416 1776474792 1908765468 1973860880 2120850520 2220593490 2267840160 2368633056 2385956835 2491999361 2545020624 2664712188 2863148202 2960791320 3181275780 3330890235 3393360832 3552949584 3817530936 3947721760 4241701040 4441186980 4535680320 4737266112 4771913670 4983998722 5090041248 5329424376 5726296404 5921582640 6362551560 6661780470 7105899168 7157870505 7475998083 7635061872 7895443520 8483402080 8882373960 9543827340 9967997444 10180082496 10658848752 11452592808 11843165280 12459996805 12725103120 13323560940 14211798336 14315741010 14951996166 15270123744 16966804160 17764747920 19087654680 19935994888 21317697504 22427994249 22905185616 23686330560 24919993610 25450206240 26647121880 28631482020 29903992332 30540247488 35529495840 37379990415 38175309360 39871989776 42635395008 44855988498 45810371232 49839987220 50900412480 53294243760 57262964040 59807984664 67283982747 71058991680 74759980830 76350618720 79743979552 89711976996 91620742464 99679974440 106588487520 112139971245 114525928080 119615969328 134567965494 149519961660 152701237440 159487959104 179423953992 199359948880 213176975040 224279942490 229051856160 239231938656 269135930988 299039923320 336419913735 358847907984 398719897760 448559884980 458103712320 478463877312 538271861976 598079846640 672839827470 717695815968 797439795520 897119769960 1076543723952 1196159693280 1345679654940 1435391631936 1794239539920 2153087447904 2392319386560 2691359309880 3588479079840 4306174895808 5382718619760 7176958159680 10765437239520 21530874479040
• Sum of all divisors σ(n): 78340419717120
• Sum of proper divisors (its aliquot sum) s(n): 56809545238080
• 21530874479040 is an abundant number, because the sum of its proper divisors (56809545238080) is greater than itself. Its abundance is 35278670759040

Bases of 21530874479040

• Binary: 100111001010100001100001000000000000111000000₂
• Hexadecimal: 0x13950C2001C0
• Base-36: 7MR5AR5C0

Squares and roots of 21530874479040

• 21530874479040 squared (21530874479040²) is 463578555832175991399321600
• 21530874479040 cubed (21530874479040³) is 9981251696797217802489463975009419264000
• The square root of 21530874479040 is 4640137.3340710509
• The cube root of 21530874479040 is 27819.7927122537

Scales and comparisons

• 21,530,874,479,040 seconds is equal to 684,615 years, 10 weeks, 6 days, 2 hours, 24 minutes.
• To count from 1 to 21,530,874,479,040 would take you about one million, seven hundred eleven thousand, five hundred thirty-eight 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 21530874479040 cubic inches would be around 2318.3 feet tall.

Recreational maths with 21530874479040

• 21530874479040 backwards is 04097447803512
• 21530874479040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21530874479040's digits is 54
• More coming soon!