138740538224066391359

Names of 138740538224066391359

• Cardinal: 138740538224066391359 can be written as One hundred thirty-eight quintillion, seven hundred forty quadrillion, five hundred thirty-eight trillion, two hundred twenty-four billion, sixty-six million, three hundred ninety-one thousand, three hundred fifty-nine.

Scientific notation

• Scientific notation: 1.38740538224066391359 × 10²⁰

Factors of 138740538224066391359

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1360470273729

Divisors of 138740538224066391359

• Number of divisors d(n): 8
• Complete list of divisors:
  1 863 118169 101979847 1360470154697 1174085743503511 160765397710389793 138740538224066391359
• Sum of all divisors σ(n): 138902479068092538240
• Sum of proper divisors (its aliquot sum) s(n): 161940844026146881
• 138740538224066391359 is a deficient number, because the sum of its proper divisors (161940844026146881) is less than itself. Its deficiency is 138578597380040244478

Bases of 138740538224066391359

• Binary: 1111000010101101001011010000110111110010111111110110110110100111111₂
• Hexadecimal: 0x78569686F97FB6D3F
• Base-36: TA32W6FC2CPBZ

Squares and roots of 138740538224066391359

• 138740538224066391359 squared (138740538224066391359²) is 19248936946703627419938170020644549866881
• 138740538224066391359 cubed (138740538224066391359³) is 2670607872226778433938583141860485398726921141880949498681279
• The square root of 138740538224066391359 is 11778817352.5217034567
• The cube root of 138740538224066391359 is 5176876.3463507823

Scales and comparisons

• 138,740,538,224,066,391,359 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,740,538,224,066,391,359 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 138740538224066391359 cubic inches would be around 431406.4 feet tall.

Recreational maths with 138740538224066391359

• 138740538224066391359 backwards is 953193660422835047831
• The number of decimal digits it has is: 21
• The sum of 138740538224066391359's digits is 89
• More coming soon!