1621899267912972

Names of 1621899267912972

• Cardinal: 1621899267912972 can be written as One quadrillion, six hundred twenty-one trillion, eight hundred ninety-nine billion, two hundred sixty-seven million, nine hundred twelve thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.621899267912972 × 10¹⁵

Factors of 1621899267912972

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4445

Divisors of 1621899267912972

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 313 324 486 626 939 972 1252 1878 2817 3756 4127 5634 8254 8451 11268 12381 16508 16902 24762 25353 33804 37143 49524 50706 74286 76059 97969 101412 111429 148572 152118 195938 222858 293907 304236 334287 391876 445716 587814 668574 881721 1002861 1175628 1291751 1337148 1763442 2005722 2583502 2645163 3526884 3875253 4011444 5167004 5290326 7750506 7935489 10580652 11625759 15501012 15870978 17032129 23251518 23806467 31741956 34064258 34877277 46503036 47612934 51096387 68128516 69754554 95225868 102192774 104631831 139509108 153289161 204385548 209263662 306578322 313895493 404318063 418527324 459867483 613156644 627790986 808636126 919734966 1212954189 1255581972 1379602449 1617272252 1839469932 2425908378 2759204898 3638862567 4138807347 4851816756 5331056377 5518409796 7277725134 8277614694 10662112754 10916587701 14555450268 15993169131 16555229388 21324225508 21833175402 31986338262 32749763103 43666350804 47979507393 63972676524 65499526206 95959014786 98249289309 130999052412 143938522179 191918029572 196498578618 287877044358 392997157236 431815566537 575754088716 863631133074 1295446699611 1668620646001 1727262266148 2590893399222 3337241292002 5005861938003 5181786798444 6674482584004 10011723876006 15017585814009 20023447752012 30035171628018 45052757442027 60070343256036 90105514884054 135158272326081 180211029768108 270316544652162 405474816978243 540633089304324 810949633956486 1621899267912972
• Sum of all divisors σ(n): 4266306090270588
• Sum of proper divisors (its aliquot sum) s(n): 2644406822357616
• 1621899267912972 is an abundant number, because the sum of its proper divisors (2644406822357616) is greater than itself. Its abundance is 1022507554444644

Bases of 1621899267912972

• Binary: 101110000110001101111011001101110011011010100001100₂
• Hexadecimal: 0x5C31BD9B9B50C
• Base-36: FYWY8JX0R0

Squares and roots of 1621899267912972

• 1621899267912972 squared (1621899267912972²) is 2630557235256634525016565872784
• 1621899267912972 cubed (1621899267912972³) is 4266498854065907193197981487499009027335354048
• The square root of 1621899267912972 is 40272810.5291022867
• The cube root of 1621899267912972 is 117491.9087330211

Scales and comparisons

• 1,621,899,267,912,972 seconds is equal to 51,571,379 years, 44 weeks, 3 days, 12 hours, 16 minutes, 12 seconds.
• To count from 1 to 1,621,899,267,912,972 would take you about one hundred fifty-four million, seven hundred fourteen thousand, one hundred thirty-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 1621899267912972 cubic inches would be around 9791 feet tall.

Recreational maths with 1621899267912972

• 1621899267912972 backwards is 2792197629981261
• 1621899267912972 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1621899267912972's digits is 81
• More coming soon!