138991229273325625

Names of 138991229273325625

• Cardinal: 138991229273325625 can be written as One hundred thirty-eight quadrillion, nine hundred ninety-one trillion, two hundred twenty-nine billion, two hundred seventy-three million, three hundred twenty-five thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.38991229273325625 × 10¹⁷

Factors of 138991229273325625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6223

Divisors of 138991229273325625

• Number of divisors d(n): 135
• Complete list of divisors:
  1 5 7 25 35 49 125 175 245 343 625 875 1225 1715 2401 4375 6125 6211 8575 12005 16807 30625 31055 42875 43477 60025 84035 117649 155275 214375 217385 300125 304339 420175 588245 776375 823543 1086925 1500625 1521695 2100875 2130373 2941225 3881875 4117715 5434625 5764801 7608475 10504375 10651865 14706125 14912611 20588575 27173125 28824005 38042375 38576521 53259325 73530625 74563055 102942875 104388277 144120025 190211875 192882605 266296625 270035647 372815275 514714375 521941385 720600125 730717939 964413025 1331483125 1350178235 1864076375 1890249529 2609706925 3603000625 3653589695 4822065125 5115025573 6750891175 9320381875 9451247645 13048534625 13231746703 18267948475 24110325625 25575127865 33754455875 35805179011 47256238225 65242673125 66158733515 91339742375 92622226921 127875639325 168772279375 179025895055 236281191125 330793667575 456698711875 463111134605 639378196625 648355588447 895129475275 1181405955625 1653968337875 2315555673025 3196890983125 3241777942235 4475647376375 4538489119129 8269841689375 11577778365125 16208889711175 22378236881875 22692445595645 31769423833903 57888891825625 81044448555875 113462227978225 158847119169515 222385966837321 405222242779375 567311139891125 794235595847575 1111929834186605 2836555699455625 3971177979237875 5559649170933025 19855889896189375 27798245854665125 138991229273325625
• Sum of all divisors σ(n): 202663304832723273
• Sum of proper divisors (its aliquot sum) s(n): 63672075559397648
• 138991229273325625 is a deficient number, because the sum of its proper divisors (63672075559397648) is less than itself. Its deficiency is 75319153713927977

Bases of 138991229273325625

• Binary: 111101101110010111100100101011111101110110100000000111001₂
• Hexadecimal: 0x1EDCBC95FBB4039
• Base-36: 120KA18U56WP

Squares and roots of 138991229273325625

• 138991229273325625 squared (138991229273325625²) is 19318561814910170146593147281640625
• 138991229273325625 cubed (138991229273325625³) is 2685110654447093055435548277827153206549599853515625
• 138991229273325625 is a perfect square number. Its square root is 372815275
• The cube root of 138991229273325625 is 517999.2512440861

Scales and comparisons

• 138,991,229,273,325,625 seconds is equal to 4,419,491,162 years, 41 weeks, 1 day, 2 hours, 25 seconds.
• To count from 1 to 138,991,229,273,325,625 would take you about thirteen billion, two hundred fifty-eight million, four hundred seventy-three thousand, four hundred eighty-eight 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 138991229273325625 cubic inches would be around 43166.6 feet tall.

Recreational maths with 138991229273325625

• 138991229273325625 backwards is 526523372922199831
• The number of decimal digits it has is: 18
• The sum of 138991229273325625's digits is 79
• More coming soon!