138523748054393737792

Names of 138523748054393737792

• Cardinal: 138523748054393737792 can be written as One hundred thirty-eight quintillion, five hundred twenty-three quadrillion, seven hundred forty-eight trillion, fifty-four billion, three hundred ninety-three million, seven hundred thirty-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.38523748054393737792 × 10²⁰

Factors of 138523748054393737792

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2164433563349902155

Divisors of 138523748054393737792

• Number of divisors d(n): 14
• Complete list of divisors:
  1 2 4 8 16 32 64 2164433563349902153 4328867126699804306 8657734253399608612 17315468506799217224 34630937013598434448 69261874027196868896 138523748054393737792
• Sum of all divisors σ(n): 274883062545437573558
• Sum of proper divisors (its aliquot sum) s(n): 136359314491043835766
• 138523748054393737792 is a deficient number, because the sum of its proper divisors (136359314491043835766) is less than itself. Its deficiency is 2164433563349902026

Bases of 138523748054393737792

• Binary: 1111000001001100111001101101110110011011001110110001101001001000000₂
• Hexadecimal: 0x7826736ECD9D8D240
• Base-36: T8FSAH69RKAPS

Squares and roots of 138523748054393737792

• 138523748054393737792 squared (138523748054393737792²) is 19188828775037152856312847542984849035264
• 138523748054393737792 cubed (138523748054393737792³) is 2658108482692147373830316549731357276752942776924854177497088
• The square root of 138523748054393737792 is 11769611210.8426817733
• The cube root of 138523748054393737792 is 5174178.5504632393

Scales and comparisons

• 138,523,748,054,393,737,792 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,523,748,054,393,737,792 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 138523748054393737792 cubic inches would be around 431181.5 feet tall.

Recreational maths with 138523748054393737792

• 138523748054393737792 backwards is 297737393450847325831
• The number of decimal digits it has is: 21
• The sum of 138523748054393737792's digits is 100
• More coming soon!