21720400426998

Names of 21720400426998

• Cardinal: 21720400426998 can be written as Twenty-one trillion, seven hundred twenty billion, four hundred million, four hundred twenty-six thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 2.1720400426998 × 10¹³

Factors of 21720400426998

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 44522

Divisors of 21720400426998

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 19 21 26 27 38 39 42 49 54 57 63 78 91 98 107 114 117 126 133 147 171 182 189 214 234 247 266 273 294 321 342 343 351 378 399 441 494 513 546 637 642 686 702 741 749 798 819 882 931 963 1026 1029 1197 1274 1323 1391 1482 1498 1638 1729 1862 1911 1926 2033 2058 2223 2247 2394 2457 2646 2782 2793 2889 3087 3458 3591 3822 4066 4173 4446 4459 4494 4914 5187 5243 5586 5733 5778 6099 6174 6517 6669 6741 7182 8346 8379 8918 9261 9737 10374 10486 11466 12103 12198 12519 13034 13338 13377 13482 14231 15561 15729 16758 17199 18297 18522 19474 19551 20223 24206 25038 25137 26429 26754 28462 29211 31122 31458 34398 36309 36594 36701 37557 39102 40131 40446 42693 44371 46683 47187 50274 52858 54891 58422 58653 68159 72618 73402 75114 79287 80262 84721 85386 87633 88742 93366 94374 99617 108927 109782 110103 117306 120393 128079 133113 136318 141561 158574 169442 175266 175959 185003 199234 204477 217854 220206 237861 240786 254163 256158 262899 266226 283122 298851 310597 326781 330309 351918 370006 384237 399339 408954 475722 477113 508326 525798 555009 576823 597702 613431 621194 653562 660618 697319 713583 762489 768474 798678 843049 896553 931791 954226 990927 1110018 1153646 1198017 1226862 1295021 1394638 1427166 1431339 1524978 1665027 1686098 1730469 1793106 1840293 1863582 1981854 2091957 2174179 2287467 2396034 2529147 2590042 2689659 2795373 2862678 3330054 3460938 3680586 3885063 4037761 4183914 4294017 4348358 4574934 4747697 4995081 5058294 5191407 5379318 5590746 5901343 6275871 6522537 7587441 7770126 8075522 8386119 8588034 9065147 9495394 9990162 10382814 10959637 11655189 11802686 12113283 12551742 12882051 13045074 14243091 15174882 15219253 15574221 16772238 17704029 18130294 18827613 19567611 21919274 22762323 23310378 24226566 25764102 27195441 28264327 28486182 30438506 31148442 32878911 33233879 34965567 35408058 36339849 37655226 39135222 41309401 42729273 45524646 45657759 53112087 54390882 56528654 58702833 61720061 65757822 66467758 69931134 72679698 76717459 81586323 82618802 84792981 85458546 90206243 91315518 98636733 99701637 106224174 109019547 117405666 123440122 123928203 128187819 136973277 153434918 159336261 163172646 169585962 180412486 185160183 197273466 197850289 199403274 218039094 230152377 232637153 244758969 247856406 254378943 256375638 270618729 273946554 289165807 295910199 299104911 318672522 370320366 371784609 395700578 410919831 432040427 460304754 465274306 489517938 508757886 537022213 541237458 555480549 578331614 591820398 593550867 598209822 631443701 690457131 697911459 743569218 763136829 811856187 821839662 864080854 867497421 897314733 1074044426 1110961098 1115353827 1172681159 1187101734 1262887402 1296121281 1380914262 1395822918 1526273658 1611066639 1623712374 1628460071 1666441647 1734994842 1780652601 1794629466 1894331103 2071371393 2093734377 2230707654 2345362318 2435568561 2592242562 2602492263 3024282989 3222133278 3256920142 3332883294 3518043477 3561305202 3759155491 3788662206 3888363843 4142742786 4187468754 4420105907 4833199917 4871137122 4885380213 5204984526 5341957803 5682993309 6048565978 6281203131 7036086954 7518310982 7776727686 7807476789 8208768113 8840211814 9072848967 9666399834 9770760426 10554130431 10683915606 11277466473 11365986618 11665091529 12562406262 13260317721 14499599751 14656140639 15614953578 16417536226 17048979927 18145697934 21108260862 21169980923 22554932946 23330183058 24626304339 26520635442 27218546901 28999199502 29312281278 30940741349 31662391293 33832399419 34097959854 39780953163 42339961846 43968421917 49252608678 54437093802 57461376791 61881482698 63324782586 63509942769 67664798838 73878913017 79561906326 81655640703 87936843834 92822224047 101497198257 114922753582 119342859489 127019885538 147757826034 163311281406 172384130373 185644448094 190529828307 202994396514 221636739051 238685718978 278466672141 344768260746 381059656614 402229637537 443273478102 517152391119 556933344282 571589484921 804459275074 835400016423 1034304782238 1143178969842 1206688912611 1551457173357 1670800032846 2413377825222 3102914346714 3620066737833 7240133475666 10860200213499 21720400426998
• Sum of all divisors σ(n): 64406845440000
• Sum of proper divisors (its aliquot sum) s(n): 42686445013002
• 21720400426998 is an abundant number, because the sum of its proper divisors (42686445013002) is greater than itself. Its abundance is 20966044586004

Bases of 21720400426998

• Binary: 100111100000100101100110000000111011111110110₂
• Hexadecimal: 0x13C12CC077F6
• Base-36: 7P67PLYPI

Squares and roots of 21720400426998

• 21720400426998 squared (21720400426998²) is 471775794709134900727292004
• 21720400426998 cubed (21720400426998³) is 10247159172847614486968257584433831123992
• The square root of 21720400426998 is 4660515.0388125559
• The cube root of 21720400426998 is 27901.1824573881

Scales and comparisons

• 21,720,400,426,998 seconds is equal to 690,641 years, 28 weeks, 3 days, 11 hours, 3 minutes, 18 seconds.
• To count from 1 to 21,720,400,426,998 would take you about one million, seven hundred twenty-six thousand, six hundred 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 21720400426998 cubic inches would be around 2325.1 feet tall.

Recreational maths with 21720400426998

• 21720400426998 backwards is 89962400402712
• 21720400426998 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21720400426998's digits is 54
• More coming soon!