138888079554402589053638568

Names of 138888079554402589053638568

• Cardinal: 138888079554402589053638568 can be written as One hundred thirty-eight septillion, eight hundred eighty-eight sextillion, seventy-nine quintillion, five hundred fifty-four quadrillion, four hundred two trillion, five hundred eighty-nine billion, fifty-three million, six hundred thirty-eight thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38888079554402589053638568 × 10²⁶

Factors of 138888079554402589053638568

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5787003314766774543901612

Divisors of 138888079554402589053638568

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 4 6 8 12 24 5787003314766774543901607 11574006629533549087803214 17361009944300323631704821 23148013259067098175606428 34722019888600647263409642 46296026518134196351212856 69444039777201294526819284 138888079554402589053638568
• Sum of all divisors σ(n): 347220198886006472634096480
• Sum of proper divisors (its aliquot sum) s(n): 208332119331603883580457912
• 138888079554402589053638568 is an abundant number, because the sum of its proper divisors (208332119331603883580457912) is greater than itself. Its abundance is 69444039777201294526819344

Bases of 138888079554402589053638568

• Binary: 111001011100010101100011110000100010111010000100001110101010011111101010101011110101000₂
• Hexadecimal: 0x72E2B1E117421D53F557A8
• Base-36: HG8QK43K78A0HPBJC

Squares and roots of 138888079554402589053638568

• 138888079554402589053638568 squared (138888079554402589053638568²) is 19289898642310062479934808089039386941782199977090624
• 138888079554402589053638568 cubed (138888079554402589053638568³) is 2679136977229522450087087660386615526877625073959693928841175207886309877586432
• The square root of 138888079554402589053638568 is 11785078682571.5588454189
• The cube root of 138888079554402589053638568 is 517871078.4075196357

Scales and comparisons

• 138,888,079,554,402,589,053,638,568 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,888,079,554,402,589,053,638,568 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 138888079554402589053638568 cubic inches would be around 43155923.2 feet tall.

Recreational maths with 138888079554402589053638568

• 138888079554402589053638568 backwards is 865836350985204455970888831
• The number of decimal digits it has is: 27
• The sum of 138888079554402589053638568's digits is 138
• More coming soon!