138614988139127046145

Names of 138614988139127046145

• Cardinal: 138614988139127046145 can be written as One hundred thirty-eight quintillion, six hundred fourteen quadrillion, nine hundred eighty-eight trillion, one hundred thirty-nine billion, one hundred twenty-seven million, forty-six thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.38614988139127046145 × 10²⁰

Factors of 138614988139127046145

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 29548550976

Divisors of 138614988139127046145

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 149 745 6298111 31490555 938418539 4692092695 29542252711 147711263555 4401795653939 22008978269695 186060386763928921 930301933819644605 27722997627825409229 138614988139127046145
• Sum of all divisors σ(n): 167454374681231769600
• Sum of proper divisors (its aliquot sum) s(n): 28839386542104723455
• 138614988139127046145 is a deficient number, because the sum of its proper divisors (28839386542104723455) is less than itself. Its deficiency is 109775601597022322690

Bases of 138614988139127046145

• Binary: 1111000001110101011010111010100110010000001101001110000000000000001₂
• Hexadecimal: 0x783AB5D4C81A70001
• Base-36: T94QODYJWLJ41

Squares and roots of 138614988139127046145

• 138614988139127046145 squared (138614988139127046145²) is 19214114936810331683085577489032959361025
• 138614988139127046145 cubed (138614988139127046145³) is 2663364314069787939975871901800776448733629811147234889498625
• The square root of 138614988139127046145 is 11773486660.2517984143
• The cube root of 138614988139127046145 is 5175314.3096968071

Scales and comparisons

• 138,614,988,139,127,046,145 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,614,988,139,127,046,145 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 138614988139127046145 cubic inches would be around 431276.2 feet tall.

Recreational maths with 138614988139127046145

• 138614988139127046145 backwards is 541640721931889416831
• The number of decimal digits it has is: 21
• The sum of 138614988139127046145's digits is 91
• More coming soon!