1997727756892731

Names of 1997727756892731

• Cardinal: 1997727756892731 can be written as One quadrillion, nine hundred ninety-seven trillion, seven hundred twenty-seven billion, seven hundred fifty-six million, eight hundred ninety-two thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 1.997727756892731 × 10¹⁵

Factors of 1997727756892731

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2377

Divisors of 1997727756892731

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 9 19 27 43 57 71 81 127 129 171 213 243 381 387 513 639 817 1021 1093 1143 1161 1349 1539 1917 2413 2451 3053 3063 3279 3429 3483 4047 4617 5461 5751 7239 7353 9017 9159 9189 9837 10287 10449 12141 16383 17253 19399 20767 21717 22059 27051 27477 27567 29511 30861 36423 43903 46999 49149 58007 58197 62301 65151 66177 72491 77603 81153 82431 82701 88533 103759 109269 129667 131709 138811 140997 147447 171323 174021 174591 186903 195453 198531 217473 232809 243459 247293 248103 265599 311277 327807 387731 389001 395127 416433 422991 442341 513969 522063 523773 560709 586359 652419 698427 730377 741879 834157 892981 933831 1115953 1163193 1167003 1185381 1249299 1268973 1327023 1377329 1474457 1541907 1566189 1571319 1682127 1957257 2095281 2191131 2463673 2502471 2637409 2678943 2801493 3117113 3336929 3347859 3489579 3501009 3556143 3747897 3806919 4131987 4423371 4625721 4698567 4713957 5046381 5575681 5871771 5968873 6285843 7366889 7391019 7507413 7912227 8036829 8404479 9206357 9351339 9855581 10010787 10043577 10468737 10503027 10668429 11243691 11420757 12395961 13270113 13877163 14095701 16727043 17615313 17906619 18857529 21203107 22100667 22173057 22522239 23736681 24110487 25213437 27619071 28054017 29566743 30032361 30130731 31406211 31509081 33731073 37187883 39810339 41631489 47985979 50181129 53719857 59225147 63401651 63609321 66302001 66519171 67566717 71210043 72331461 79232663 82857213 84162051 88700229 90097083 90392193 94218633 105937939 111563649 113408587 119431017 141726031 143957937 150543387 161159571 174920783 177675441 187256039 190204953 190827963 198906003 199557513 202700151 213630129 216994383 237697989 248571639 252486153 266100687 270291249 271176579 317813817 334690947 340225761 358293051 395873351 423789983 425178093 431873811 451630161 483478713 524762349 533026323 561768117 570614859 572483889 596718009 598672539 640890387 713093967 745714917 757458459 798302061 810873747 911733601 953441451 1020677283 1187620053 1271369949 1275534279 1295621433 1354890483 1450436139 1505420597 1574287047 1599078969 1685304351 1711844577 1717451667 1790154027 2139281901 2237144751 2394906183 2692794589 2735200803 2860324353 3062031849 3407004509 3562860159 3814109847 3826602837 3886864299 4516261791 4722861141 4797236907 5055913053 5135533731 5152355001 6094219333 6417845703 7521593669 8052009677 8078383767 8205602409 8580973059 9186095547 10062548201 10221013527 10688580477 11442329541 11479808511 11660592897 13548785373 14168583423 14391710721 15167739159 15406601193 18282657999 19253537109 22564781007 24156029031 24235151301 24616807227 25742919177 27558286641 30187644603 30663040581 32065741431 34326988623 34439425533 40646356119 42505750269 45503217477 54847973997 64733085671 67694343021 72468087093 72705453903 73850421681 90562933809 91989121743 96197224293 102980965869 115790167327 121939068357 164543921991 191188415819 194199257013 203083029063 217404261279 218116361709 221551265043 271688801427 275967365229 347370501981 365817205071 432689572643 493631765973 573565247457 582597771039 609249087189 652212783837 654349085127 815066404281 827902095687 1042111505943 1298068717929 1480895297919 1720695742371 1747793313117 1827747261567 1956638351511 2445199212843 3126334517829 3894206153787 5162087227113 5243379939351 8221101880217 9379003553487 11682618461361 15486261681339 15730139818053 24663305640651 28137010660461 35047855384083 46458785044017 73989916921953 105143566152249 221969750765859 665909252297577 1997727756892731
• Sum of all divisors σ(n): 3300614016860160
• Sum of proper divisors (its aliquot sum) s(n): 1302886259967429
• 1997727756892731 is a deficient number, because the sum of its proper divisors (1302886259967429) is less than itself. Its deficiency is 694841496925302

Bases of 1997727756892731

• Binary: 111000110001110110000111101010011101011101000111011₂
• Hexadecimal: 0x718EC3D4EBA3B
• Base-36: JO4VGMNGOR

Squares and roots of 1997727756892731

• 1997727756892731 squared (1997727756892731²) is 3990916190659662531480240638361
• 1997727756892731 cubed (1997727756892731³) is 7972764049513410390535091680203814753240653891
• The square root of 1997727756892731 is 44695947.8800117965
• The cube root of 1997727756892731 is 125944.3727930397

Scales and comparisons

• 1,997,727,756,892,731 seconds is equal to 63,521,563 years, 15 weeks, 1 day, 2 hours, 38 minutes, 51 seconds.
• To count from 1 to 1,997,727,756,892,731 would take you about one hundred ninety million, five hundred sixty-four thousand, six hundred eighty-nine 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 1997727756892731 cubic inches would be around 10495.4 feet tall.

Recreational maths with 1997727756892731

• 1997727756892731 backwards is 1372986577277991
• The number of decimal digits it has is: 16
• The sum of 1997727756892731's digits is 90
• More coming soon!