138790105125

Names of 138790105125

• Cardinal: 138790105125 can be written as One hundred thirty-eight billion, seven hundred ninety million, one hundred five thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.38790105125 × 10¹¹

Factors of 138790105125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 95

Divisors of 138790105125

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 15 19 21 25 35 49 57 61 75 95 105 125 133 147 175 183 245 285 305 343 361 375 399 427 475 525 665 735 875 915 931 1029 1083 1159 1225 1281 1425 1525 1715 1805 1995 2135 2375 2401 2527 2625 2793 2989 3325 3477 3675 4575 4655 5145 5415 5795 6125 6405 6517 7125 7203 7581 7625 8113 8575 8967 9025 9975 10675 12005 12635 13965 14945 16625 16807 17385 17689 18375 19551 20923 22021 22875 23275 24339 25725 27075 28975 32025 32585 36015 37905 40565 42875 44835 45125 45619 49875 50421 53067 53375 56791 60025 62769 63175 66063 69825 74725 84035 86925 88445 97755 104615 110105 116375 121695 123823 128625 135375 136857 144875 146461 154147 160125 162925 170373 180075 189525 202825 224175 228095 252105 265335 283955 300125 313845 315875 319333 330315 349125 371469 373625 397537 420175 434625 439383 442225 462441 488775 523075 550525 608475 619115 684285 732305 770735 814625 851865 866761 900375 947625 957999 1014125 1025227 1079029 1120875 1140475 1192611 1260525 1326675 1419775 1569225 1596665 1651575 1857345 1987685 2100875 2196915 2211125 2312205 2443875 2600283 2615375 2752625 2782759 3042375 3075681 3095575 3237087 3421425 3661525 3853675 4259325 4333805 4789995 5126135 5395145 5702375 5963055 6067327 6302625 6633375 7098875 7553203 7846125 7983325 8257875 8348277 9286725 9938425 10984575 11561025 13001415 13913795 15378405 15477875 16185435 17107125 18201981 18307625 19268375 19479313 21296625 21669025 22659609 23949975 25630675 26975725 29815275 30336635 37766015 39916625 41741385 46433625 49692125 52872421 54922875 57805125 58437939 65007075 69568975 76892025 80927175 91009905 97396565 108345125 113298045 119749875 128153375 134878625 149076375 151683175 158617263 188830075 208706925 264362105 292189695 325035375 347844875 370106947 384460125 404635875 455049525 486982825 566490225 758415875 793086315 944150375 1043534625 1110320841 1321810525 1460948475 1850534735 2275247625 2434914125 2832451125 3965431575 5551604205 6609052625 7304742375 9252673675 19827157875 27758021025 46263368375 138790105125
• Sum of all divisors σ(n): 289024429824
• Sum of proper divisors (its aliquot sum) s(n): 150234324699
• 138790105125 is an abundant number, because the sum of its proper divisors (150234324699) is greater than itself. Its abundance is 11444219574

Bases of 138790105125

• Binary: 10000001010000100010001111000000100101₂
• Hexadecimal: 0x205088F025
• Base-36: 1RRC1MHX

Squares and roots of 138790105125

• 138790105125 squared (138790105125²) is 19262693280608551265625
• 138790105125 cubed (138790105125³) is 2673471225406291954130045548828125
• The square root of 138790105125 is 372545.4403492277
• The cube root of 138790105125 is 5177.4927755699

Scales and comparisons

• 138,790,105,125 seconds is equal to 4,413 years, 4 weeks, 6 days, 22 hours, 58 minutes, 45 seconds.
• To count from 1 to 138,790,105,125 would take you about eight thousand, eight hundred twenty-six 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 138790105125 cubic inches would be around 431.5 feet tall.

Recreational maths with 138790105125

• 138790105125 backwards is 521501097831
• The number of decimal digits it has is: 12
• The sum of 138790105125's digits is 42
• More coming soon!