138263052128348673220

Names of 138263052128348673220

• Cardinal: 138263052128348673220 can be written as One hundred thirty-eight quintillion, two hundred sixty-three quadrillion, fifty-two trillion, one hundred twenty-eight billion, three hundred forty-eight million, six hundred seventy-three thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.3826305212834867322 × 10²⁰

Factors of 138263052128348673220

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 11184829526857

Divisors of 138263052128348673220

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 10 20 618083 1236166 2472332 3090415 6180830 12361660 11184828908767 22369657817534 44739315635068 55924144543835 111848289087670 223696578175340 6913152606417433661 13826305212834867322 27652610425669734644 34565763032087168305 69131526064174336610 138263052128348673220
• Sum of all divisors σ(n): 290352879232372341504
• Sum of proper divisors (its aliquot sum) s(n): 152089827104023668284
• 138263052128348673220 is an abundant number, because the sum of its proper divisors (152089827104023668284) is greater than itself. Its abundance is 13826774975674995064

Bases of 138263052128348673220

• Binary: 1110111111011001001000010010101110010010111100010100001010011000100₂
• Hexadecimal: 0x77EC9095C978A14C4
• Base-36: T6GHDHF6HODS4

Squares and roots of 138263052128348673220

• 138263052128348673220 squared (138263052128348673220²) is 19116671583846462575569116797334345168400
• 138263052128348673220 cubed (138263052128348673220³) is 2643129359717885249271136181108592154749516791901657470248000
• The square root of 138263052128348673220 is 11758531036.1604554137
• The cube root of 138263052128348673220 is 5170930.6492748351

Scales and comparisons

• 138,263,052,128,348,673,220 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,263,052,128,348,673,220 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 138263052128348673220 cubic inches would be around 430910.9 feet tall.

Recreational maths with 138263052128348673220

• 138263052128348673220 backwards is 022376843821250362831
• The number of decimal digits it has is: 21
• The sum of 138263052128348673220's digits is 76
• More coming soon!