138012997789647931538025

Names of 138012997789647931538025

• Cardinal: 138012997789647931538025 can be written as One hundred thirty-eight sextillion, twelve quintillion, nine hundred ninety-seven quadrillion, seven hundred eighty-nine trillion, six hundred forty-seven billion, nine hundred thirty-one million, five hundred thirty-eight thousand and twenty-five.

Scientific notation

• Scientific notation: 1.38012997789647931538025 × 10²³

Factors of 138012997789647931538025

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 160436

Divisors of 138012997789647931538025

• Number of divisors d(n): 126
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 135 225 243 405 675 729 1215 2025 3645 6075 18225 19531 58593 97655 140897 175779 292965 422691 488275 527337 704485 878895 1268073 1464825 1582011 2113455 2636685 3522425 3804219 4394475 4746033 6340365 7910055 10567275 11412657 13183425 14238099 19021095 23730165 31701825 34237971 39550275 57063285 71190495 95105475 102713913 118650825 171189855 285316425 355952475 513569565 855949275 2567847825 2751859307 8255577921 13759296535 19851964609 24766733763 41277889605 59555893827 68796482675 74300201289 99259823045 123833668815 178667681481 206389448025 222900603867 297779469135 371501006445 496299115225 536003044443 619168344075 668701811601 893338407405 1114503019335 1488897345675 1608009133329 1857505032225 2006105434803 2680015222215 3343509058005 4466692037025 4824027399987 5572515096675 8040045666645 10030527174015 13400076111075 14472082199961 16717545290025 24120136999935 40200228333225 50152635870075 72360410999805 120600684999675 361802054999025 387728720778379 1163186162335137 1938643603891895 3489558487005411 5815930811675685 9693218019459475 10468675461016233 17447792435027055 29079654058378425 31406026383048699 52343377305081165 87238962175135275 94218079149146097 157030131915243495 261716886525405825 282654237447438291 471090395745730485 785150659576217475 1413271187237191455 2355451978728652425 7066355936185957275
• Sum of all divisors σ(n): 138019069611848680958042
• Sum of proper divisors (its aliquot sum) s(n): 6071822200749420017
• 138012997789647931538025 is a deficient number, because the sum of its proper divisors (6071822200749420017) is less than itself. Its deficiency is 138006925967447182118008

Bases of 138012997789647931538025

• Binary: 11101001110011011001100011001000110010111101111010000011101010111101001101001₂
• Hexadecimal: 0x1D39B319197BD0757A69
• Base-36: MH2M1ZEOYCTK9K9

Squares and roots of 138012997789647931538025

• 138012997789647931538025 squared (138012997789647931538025²) is 19047587558885364836371155204131417442020900625
• 138012997789647931538025 cubed (138012997789647931538025³) is 2628814659662571297169245039664258374142225445787345631531151933765625
• 138012997789647931538025 is a perfect square number. Its square root is 371501006445
• The cube root of 138012997789647931538025 is 51678114.8885948023

Scales and comparisons

• 138,012,997,789,647,931,538,025 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,012,997,789,647,931,538,025 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 138012997789647931538025 cubic inches would be around 4306509.6 feet tall.

Recreational maths with 138012997789647931538025

• 138012997789647931538025 backwards is 520835139746987799210831
• The number of decimal digits it has is: 24
• The sum of 138012997789647931538025's digits is 117
• More coming soon!