18972772236763072

Names of 18972772236763072

• Cardinal: 18972772236763072 can be written as Eighteen quadrillion, nine hundred seventy-two trillion, seven hundred seventy-two billion, two hundred thirty-six million, seven hundred sixty-three thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8972772236763072 × 10¹⁶

Factors of 18972772236763072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 5523

Divisors of 18972772236763072

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 169 182 196 208 224 338 343 364 392 416 448 637 676 686 728 784 832 1183 1274 1352 1372 1456 1568 2197 2366 2548 2704 2744 2912 3136 4394 4459 4732 5096 5408 5488 5501 5824 8281 8788 8918 9464 10192 10816 10976 11002 15379 16562 17576 17836 18928 20384 21952 22004 28561 30758 33124 35152 35672 37856 38507 40768 44008 57122 57967 61516 66248 70304 71344 71513 75712 77014 88016 107653 114244 115934 123032 132496 140608 142688 143026 154028 176032 199927 215306 228488 231868 246064 264992 269549 285376 286052 308056 352064 399854 430612 456976 463736 492128 500591 529984 539098 572104 616112 753571 799708 861224 913952 927472 929669 984256 1001182 1078196 1144208 1232224 1399489 1507142 1599416 1722448 1827904 1854944 1859338 1886843 2002364 2156392 2288416 2464448 2798978 3014284 3198832 3444896 3504137 3709888 3718676 3773686 4004728 4312784 4576832 5597956 6028568 6397664 6507683 6889792 7008274 7437352 7547372 8009456 8625568 9796423 11195912 12057136 12085697 12795328 13015366 14016548 14874704 15094744 16018912 17251136 19592846 22391824 24114272 24171394 24528959 26030732 28033096 29749408 30189488 30261001 32037824 39185692 44783648 45553781 48228544 48342788 49057918 52061464 56066192 59498816 60378976 60522002 78371384 84599879 89567296 91107562 96685576 98115836 104122928 112132384 120757952 121044004 156742768 157114061 169199758 182215124 193371152 196231672 208245856 211827007 224264768 242088008 313485536 314228122 318876467 338399516 364430248 386742304 392463344 393393013 416491712 423654014 484176016 592199153 626971072 628456244 637752934 676799032 728860496 773484608 784926688 786786026 847308028 968352032 1099798427 1184398306 1256912488 1275505868 1353598064 1457720992 1482789049 1569853376 1573572052 1694616056 1936704064 2199596854 2368796612 2513824976 2551011736 2707196128 2753751091 2915441984 2965578098 3147144104 3389232112 4145394071 4399193708 4737593224 5027649952 5102023472 5114109169 5414392256 5507502182 5931156196 6294288208 6778464224 7698588989 8290788142 8798387416 9475186448 10055299904 10204046944 10228218338 10379523343 11015004364 11862312392 12588576416 13556928448 15397177978 16581576284 17596774832 18950372896 19276257637 20408093888 20456436676 20759046686 22030008728 23724624784 25177152832 30794355956 33163152568 35193549664 35798764183 37900745792 38552515274 40912873352 41518093372 44060017456 47449249568 53890122923 61588711912 66326305136 66483419197 70387099328 71597528366 77105030548 81825746704 83036186744 88120034912 94898499136 107780245846 123177423824 132652610272 132966838394 134933803459 143195056732 154210061096 163651493408 166072373488 176240069824 215560491692 246354847648 250591349281 265305220544 265933676788 269867606918 286390113464 308420122192 327302986816 332144746976 431120983384 465383934379 492709695296 501182698562 531867353576 539735213836 572780226928 616840244384 664289493952 862241966768 864284449561 930767868758 1002365397124 1063734707152 1079470427672 1145560453856 1233680488768 1724483933536 1728568899122 1754139444967 1861535737516 2004730794248 2127469414304 2158940855344 2291120907712 3257687540653 3448967867072 3457137798244 3508278889934 3723071475032 4009461588496 4254938828608 4317881710688 6049991146927 6515375081306 6914275596488 7016557779868 7446142950064 8018923176992 8635763421376 12099982293854 13030750162612 13828551192976 14033115559736 14892285900128 16037846353984 22803812784571 24199964587708 26061500325224 27657102385952 28066231119472 29784571800256 42349938028489 45607625569142 48399929175416 52123000650448 55314204771904 56132462238944 84699876056978 91215251138284 96799858350832 104246001300896 112264924477888 169399752113956 182430502276568 193599716701664 208492002601792 296449566199423 338799504227912 364861004553136 387199433403328 592899132398846 677599008455824 729722009106272 1185798264797692 1355198016911648 1459444018212544 2371596529595384 2710396033823296 4743193059190768 9486386118381536 18972772236763072
• Sum of all divisors σ(n): 47572974161608400
• Sum of proper divisors (its aliquot sum) s(n): 28600201924845328
• 18972772236763072 is an abundant number, because the sum of its proper divisors (28600201924845328) is greater than itself. Its abundance is 9627429688082256

Bases of 18972772236763072

• Binary: 1000011011001111010001011000101100100111001111111000000₂
• Hexadecimal: 0x4367A2C5939FC0
• Base-36: 56TAB8NB0SG

Squares and roots of 18972772236763072

• 18972772236763072 squared (18972772236763072²) is 359966086348087622207920262877184
• 18972772236763072 cubed (18972772236763072³) is 6829554569241255511763494500871500203897642549248
• The square root of 18972772236763072 is 137741686.6339419847
• The cube root of 18972772236763072 is 266712.6397114461

Scales and comparisons

• 18,972,772,236,763,072 seconds is equal to 603,275,470 years, 25 weeks, 3 days, 19 hours, 57 minutes, 52 seconds.
• To count from 1 to 18,972,772,236,763,072 would take you about one billion, eight hundred nine million, eight hundred twenty-six thousand, four hundred eleven 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 18972772236763072 cubic inches would be around 22226.1 feet tall.

Recreational maths with 18972772236763072

• 18972772236763072 backwards is 27036763227727981
• The number of decimal digits it has is: 17
• The sum of 18972772236763072's digits is 79
• More coming soon!