20400620625

Names of 20400620625

• Cardinal: 20400620625 can be written as Twenty billion, four hundred million, six hundred twenty thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 2.0400620625 × 10¹⁰

Factors of 20400620625

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 149

Divisors of 20400620625

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 5 7 9 11 15 19 21 25 33 35 37 45 55 57 63 67 75 77 95 99 105 111 125 133 165 171 175 185 201 209 225 231 259 275 285 315 333 335 375 385 399 407 469 475 495 525 555 603 625 627 665 693 703 737 777 825 855 875 925 1005 1045 1125 1155 1197 1221 1273 1295 1375 1407 1425 1463 1575 1665 1675 1875 1881 1925 1995 2035 2109 2211 2331 2345 2375 2475 2479 2625 2775 2849 3015 3135 3325 3465 3515 3663 3685 3819 3885 4125 4221 4275 4375 4389 4625 4921 5025 5159 5225 5625 5775 5985 6105 6327 6365 6475 6633 6875 7035 7125 7315 7437 7733 7875 8325 8375 8547 8911 9405 9625 9975 10175 10545 11055 11457 11655 11725 11875 12375 12395 13125 13167 13875 14003 14245 14763 15075 15477 15675 16625 17325 17353 17575 18315 18425 19095 19425 20625 21105 21375 21945 22311 23125 23199 24605 25125 25641 25795 26125 26733 27269 28875 29925 30525 31635 31825 32375 33165 35175 35625 36575 37185 38665 39375 41625 41875 42009 42735 44289 44555 46431 47025 47101 48125 49875 50875 52059 52725 54131 55275 57285 58275 58625 61875 61975 65835 69375 69597 70015 71225 73815 75375 77385 78375 80199 81807 83125 86625 86765 87875 91575 92125 95475 97125 98021 105525 106875 109725 111555 115995 123025 125625 126027 128205 128975 130625 133665 136345 141303 144375 149625 152625 156177 158175 159125 161875 162393 165825 175875 182875 185925 190883 193325 208125 210045 213675 221445 222775 232155 235125 235505 245421 249375 254375 260295 263625 270655 276375 286425 291375 293125 294063 309875 329175 329707 347985 350075 356125 369075 376875 386925 391875 400995 409035 423909 433125 433825 439375 457875 460625 477375 485625 487179 490105 518111 527625 548625 557775 572649 579975 615125 630135 641025 644875 668325 681725 706515 748125 763125 780885 790875 795625 811965 829125 879375 882189 914375 929625 954415 966625 989121 1050225 1068375 1107225 1113875 1160775 1175625 1177525 1227105 1301475 1318125 1353275 1381875 1432125 1456875 1470315 1549375 1554333 1645875 1648535 1717947 1739925 1750375 1780625 1845375 1934625 2004975 2045175 2119545 2169125 2289375 2386875 2435895 2450525 2590555 2638125 2743125 2788875 2863245 2899875 2967363 3075625 3150675 3205125 3224375 3341625 3408625 3532575 3626777 3904425 3954375 4059825 4145625 4410945 4648125 4662999 4772075 4833125 4945605 5251125 5341875 5536125 5569375 5803875 5887625 6135525 6507375 6766375 7160625 7351575 7771665 8229375 8242675 8589735 8699625 8751875 9226875 9673125 10024875 10225875 10597725 10845625 10880331 12179475 12252625 12952775 13944375 14316225 14499375 14836815 15753375 16025625 16708125 17043125 17662875 18133885 19522125 20299125 22054725 23314995 23860375 24728025 26255625 27680625 29019375 29438125 30677625 32536875 32640993 33831875 36757875 38858325 41213375 42948675 43498125 50124375 51129375 52988625 54401655 60897375 61263125 64763875 71581125 74184075 78766875 88314375 90669425 97610625 101495625 110273625 116574975 119301875 123640125 153388125 163204965 183789375 194291625 206066875 214743375 264943125 272008275 304486875 323819375 357905625 370920375 453347125 551368125 582874875 618200625 816024825 971458125 1073716875 1360041375 1854601875 2266735625 2914374375 4080124125 6800206875 20400620625
• Sum of all divisors σ(n): 50371875840
• Sum of proper divisors (its aliquot sum) s(n): 29971255215
• 20400620625 is an abundant number, because the sum of its proper divisors (29971255215) is greater than itself. Its abundance is 9570634590

Bases of 20400620625

• Binary: 10010111111111110001100010001010001₂
• Hexadecimal: 0x4BFF8C451
• Base-36: 9DE03M9

Squares and roots of 20400620625

• 20400620625 squared (20400620625²) is 416185321885175390625
• 20400620625 cubed (20400620625³) is 8490438861472972955726806640625
• The square root of 20400620625 is 142830.7411764009
• The cube root of 20400620625 is 2732.4221248377

Scales and comparisons

• 20,400,620,625 seconds is equal to 648 years, 35 weeks, 1 day, 7 hours, 3 minutes, 45 seconds.
• To count from 1 to 20,400,620,625 would take you about one thousand, two hundred ninety-seven 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 20400620625 cubic inches would be around 227.7 feet tall.

Recreational maths with 20400620625

• 20400620625 backwards is 52602600402
• The number of decimal digits it has is: 11
• The sum of 20400620625's digits is 27
• More coming soon!