139402947901161510487321

Names of 139402947901161510487321

• Cardinal: 139402947901161510487321 can be written as One hundred thirty-nine sextillion, four hundred two quintillion, nine hundred forty-seven quadrillion, nine hundred one trillion, one hundred sixty-one billion, five hundred ten million, four hundred eighty-seven thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.39402947901161510487321 × 10²³

Factors of 139402947901161510487321

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 200641704

Divisors of 139402947901161510487321

• Number of divisors d(n): 16
• Complete list of divisors:
  1 41 1776847 10139287 72850727 188725529 415710767 7737746689 18015961688089 335336390027063 738654429211649 1913542302757823 13748791991109583 78455234413070743 3400071900028329524081 139402947901161510487321
• Sum of all divisors σ(n): 142803115010773754826240
• Sum of proper divisors (its aliquot sum) s(n): 3400167109612244338919
• 139402947901161510487321 is a deficient number, because the sum of its proper divisors (3400167109612244338919) is less than itself. Its deficiency is 136002780791549266148402

Bases of 139402947901161510487321

• Binary: 11101100001010000110010000111110111111010001001001001111010110100010100011001₂
• Hexadecimal: 0x1D850C87DFA249EB4519
• Base-36: MP7Y8SRPX07X34P

Squares and roots of 139402947901161510487321

• 139402947901161510487321 squared (139402947901161510487321²) is 19433181883533950381899975053763956666901757041
• 139402947901161510487321 cubed (139402947901161510487321³) is 2709042841664078997528928472804885424216538407688459350591923052977161
• The square root of 139402947901161510487321 is 373367041798.2303784149
• The cube root of 139402947901161510487321 is 51851021.8029040719

Scales and comparisons

• 139,402,947,901,161,510,487,321 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 139,402,947,901,161,510,487,321 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 139402947901161510487321 cubic inches would be around 4320918.5 feet tall.

Recreational maths with 139402947901161510487321

• 139402947901161510487321 backwards is 123784015161109749204931
• The number of decimal digits it has is: 24
• The sum of 139402947901161510487321's digits is 88
• More coming soon!