138966709518

Names of 138966709518

• Cardinal: 138966709518 can be written as One hundred thirty-eight billion, nine hundred sixty-six million, seven hundred nine thousand, five hundred eighteen.

Scientific notation

• Scientific notation: 1.38966709518 × 10¹¹

Factors of 138966709518

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1052

Divisors of 138966709518

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 37 39 42 63 74 78 91 111 117 126 169 182 222 233 234 259 273 333 338 466 481 507 518 546 666 699 757 777 819 962 1014 1183 1398 1443 1514 1521 1554 1631 1638 2097 2271 2331 2366 2886 3029 3042 3262 3367 3549 4194 4329 4542 4662 4893 5299 6058 6253 6734 6813 7098 8621 8658 9087 9786 9841 10101 10598 10647 12506 13626 14679 15897 17242 18174 18759 19682 20202 21203 21294 25863 27261 28009 29358 29523 30303 31794 37518 39377 42406 43771 47691 51726 54522 56018 56277 59046 60347 60606 63609 68887 77589 78754 84027 87542 88569 95382 112073 112554 118131 120694 127218 127933 131313 137774 155178 168054 176381 177138 181041 190827 196063 206661 224146 236262 252081 255866 262626 275639 336219 352762 354393 362082 364117 381654 383799 392126 393939 413322 504162 529143 543123 551278 588189 619983 672438 708786 728234 767598 784511 787878 826917 895531 1008657 1058286 1086246 1092351 1151397 1176378 1234667 1239966 1456949 1569022 1587429 1653834 1764567 1791062 2017314 2184702 2292953 2302794 2353533 2469334 2480751 2548819 2686593 2913898 3174858 3277053 3529134 3704001 4370847 4585906 4707066 4733521 4961502 5097638 5373186 6526097 6554106 6878859 7060599 7408002 7646457 8059779 8741694 9467042 10198643 11112003 13052194 13112541 13757718 14121198 14200563 15292914 16050671 16119558 19578291 20397286 20636577 22224006 22939371 26225082 28401126 29808389 30595929 32101342 33134647 39156582 41273154 42601689 45682679 45878742 48152013 58734873 59616778 61191858 66269294 84839261 85203378 89425167 91365358 91787787 96304026 99403941 117469746 137048037 144456039 169678522 178850334 183575574 198807882 208658723 254517783 268275501 274096074 288912078 298211823 411144111 417317446 509035566 536551002 593874827 596423646 625976169 763553349 822288222 1102910393 1187749654 1251952338 1527106698 1781624481 1877928507 2205820786 3308731179 3563248962 3755857014 5344873443 6617462358 7720372751 9926193537 10689746886 15440745502 19852387074 23161118253 46322236506 69483354759 138966709518
• Sum of all divisors σ(n): 384834805056
• Sum of proper divisors (its aliquot sum) s(n): 245868095538
• 138966709518 is an abundant number, because the sum of its proper divisors (245868095538) is greater than itself. Its abundance is 106901386020

Bases of 138966709518

• Binary: 10000001011011000011111011010100001110₂
• Hexadecimal: 0x205B0FB50E
• Base-36: 1RU96VBI

Squares and roots of 138966709518

• 138966709518 squared (138966709518²) is 19311746354260191792324
• 138966709518 cubed (138966709518³) is 2683689845897771594594857090139832
• The square root of 138966709518 is 372782.3889590277
• The cube root of 138966709518 is 5179.6878898177

Scales and comparisons

• 138,966,709,518 seconds is equal to 4,418 years, 36 weeks, 6 days, 23 hours, 45 minutes, 18 seconds.
• To count from 1 to 138,966,709,518 would take you about eight thousand, eight hundred thirty-seven 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 138966709518 cubic inches would be around 431.6 feet tall.

Recreational maths with 138966709518

• 138966709518 backwards is 815907669831
• 138966709518 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138966709518's digits is 63
• More coming soon!