1621731629427

Names of 1621731629427

• Cardinal: 1621731629427 can be written as One trillion, six hundred twenty-one billion, seven hundred thirty-one million, six hundred twenty-nine thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 1.621731629427 × 10¹²

Factors of 1621731629427

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 54372

Divisors of 1621731629427

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 39 91 199 273 557 597 1393 1671 2587 3899 4179 7241 7761 11697 18109 21723 50687 53593 54327 110843 152061 160779 332529 375151 696709 775901 1125453 1440959 2090127 2327703 4322877 4876963 10086713 10665007 14630889 29851301 30260139 31995021 74655049 89553903 138645091 208959107 223965147 388066913 415935273 626877321 970515637 1164200739 2716468391 2911546911 5940408899 8149405173 17821226697 41582862293 77225315687 124748586879 231675947061 540577209809 1621731629427
• Sum of all divisors σ(n): 2679528499200
• Sum of proper divisors (its aliquot sum) s(n): 1057796869773
• 1621731629427 is a deficient number, because the sum of its proper divisors (1057796869773) is less than itself. Its deficiency is 563934759654

Bases of 1621731629427

• Binary: 10111100110010110101111001101100101110011₂
• Hexadecimal: 0x17996BCD973
• Base-36: KP0H51TF

Squares and roots of 1621731629427

• 1621731629427 squared (1621731629427²) is 2630013477883952452348329
• 1621731629427 cubed (1621731629427³) is 4265176042903713438561848161750677483
• The square root of 1621731629427 is 1273472.2727358455
• The cube root of 1621731629427 is 11748.7860630341

Scales and comparisons

• 1,621,731,629,427 seconds is equal to 51,566 years, 2 weeks, 4 days, 10 minutes, 27 seconds.
• To count from 1 to 1,621,731,629,427 would take you about one hundred twenty-eight thousand, nine hundred fifteen 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 1621731629427 cubic inches would be around 979.1 feet tall.

Recreational maths with 1621731629427

• 1621731629427 backwards is 7249261371261
• The number of decimal digits it has is: 13
• The sum of 1621731629427's digits is 51
• More coming soon!