138918539990059892479873

Names of 138918539990059892479873

• Cardinal: 138918539990059892479873 can be written as One hundred thirty-eight sextillion, nine hundred eighteen quintillion, five hundred thirty-nine quadrillion, nine hundred ninety trillion, fifty-nine billion, eight hundred ninety-two million, four hundred seventy-nine thousand, eight hundred seventy-three.

Scientific notation

• Scientific notation: 1.38918539990059892479873 × 10²³

Factors of 138918539990059892479873

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 16717372470038268

Divisors of 138918539990059892479873

• Number of divisors d(n): 16
• Complete list of divisors:
  1 23 439 823 10097 18929 361297 8309831 16717372470036983 384499566810850609 7338926514346235537 13758397542840437009 168795309829963417351 316443143485330051207 6039936521306951846951 138918539990059892479873
• Sum of all divisors σ(n): 145465213505678614056960
• Sum of proper divisors (its aliquot sum) s(n): 6546673515618721577087
• 138918539990059892479873 is a deficient number, because the sum of its proper divisors (6546673515618721577087) is less than itself. Its deficiency is 132371866474441170902786

Bases of 138918539990059892479873

• Binary: 11101011010101100101000000101010000101111110101111000111110100001011110000001₂
• Hexadecimal: 0x1D6ACA0542FD78FA1781
• Base-36: MMDPXUIDSYVI001

Squares and roots of 138918539990059892479873

• 138918539990059892479873 squared (138918539990059892479873²) is 19298360752969869551820678828351685337710096129
• 138918539990059892479873 cubed (138918539990059892479873³) is 2680900100004047161282663490162427800907808894659085129850315027711617
• The square root of 138918539990059892479873 is 372717775253.6896280511
• The cube root of 138918539990059892479873 is 51790893.4849545219

Scales and comparisons

• 138,918,539,990,059,892,479,873 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,918,539,990,059,892,479,873 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 138918539990059892479873 cubic inches would be around 4315907.8 feet tall.

Recreational maths with 138918539990059892479873

• 138918539990059892479873 backwards is 378974298950099935819831
• The number of decimal digits it has is: 24
• The sum of 138918539990059892479873's digits is 136
• More coming soon!