138694834824

Names of 138694834824

• Cardinal: 138694834824 can be written as One hundred thirty-eight billion, six hundred ninety-four million, eight hundred thirty-four thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.38694834824 × 10¹¹

Factors of 138694834824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 638

Divisors of 138694834824

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 169 182 273 312 338 364 507 546 613 676 728 1014 1092 1183 1226 1352 1839 2028 2184 2197 2366 2452 3549 3678 4056 4291 4394 4732 4904 6591 7098 7356 7969 8582 8788 9464 12873 13182 14196 14712 15379 15938 17164 17576 23907 25746 26364 28392 30758 31876 34328 46137 47814 51492 52728 55783 61516 63752 92274 95628 102984 103597 111566 123032 167349 184548 191256 207194 223132 310791 334698 369096 375769 414388 446264 621582 669396 725179 751538 828776 1127307 1243164 1338792 1346761 1450358 1503076 2175537 2254614 2486328 2630383 2693522 2900716 3006152 4040283 4351074 4509228 4884997 5260766 5387044 5801432 7891149 8080566 8702148 9018456 9427327 9769994 10521532 10774088 14654991 15782298 16161132 17404296 18854654 19539988 21043064 28281981 29309982 31564596 32322264 34194979 37709308 39079976 56563962 58619964 63129192 63504961 68389958 75418616 102584937 113127924 117239928 127009922 136779916 190514883 205169874 226255848 254019844 273559832 381029766 410339748 444534727 508039688 762059532 820679496 825564493 889069454 1333604181 1524119064 1651128986 1778138908 2476693479 2667208362 3302257972 3556277816 4953386958 5334416724 5778951451 6604515944 9906773916 10668833448 11557902902 17336854353 19813547832 23115805804 34673708706 46231611608 69347417412 138694834824
• Sum of all divisors σ(n): 429979939200
• Sum of proper divisors (its aliquot sum) s(n): 291285104376
• 138694834824 is an abundant number, because the sum of its proper divisors (291285104376) is greater than itself. Its abundance is 152590269552

Bases of 138694834824

• Binary: 10000001001010110110110011101010001000₂
• Hexadecimal: 0x204ADB3A88
• Base-36: 1RPRBNGO

Squares and roots of 138694834824

• 138694834824 squared (138694834824²) is 19236257206856643110976
• 138694834824 cubed (138694834824³) is 2667969515936961716523933821428224
• The square root of 138694834824 is 372417.5543982855
• The cube root of 138694834824 is 5176.3078347041

Scales and comparisons

• 138,694,834,824 seconds is equal to 4,410 years, 3 weeks, 3 days, 7 hours, 24 seconds.
• To count from 1 to 138,694,834,824 would take you about eight thousand, eight hundred twenty 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 138694834824 cubic inches would be around 431.4 feet tall.

Recreational maths with 138694834824

• 138694834824 backwards is 428438496831
• The number of decimal digits it has is: 12
• The sum of 138694834824's digits is 60
• More coming soon!