138940952904

Names of 138940952904

• Cardinal: 138940952904 can be written as One hundred thirty-eight billion, nine hundred forty million, nine hundred fifty-two thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.38940952904 × 10¹¹

Factors of 138940952904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 522

Divisors of 138940952904

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 169 191 234 312 313 338 382 468 507 573 626 676 764 936 939 1014 1146 1252 1352 1521 1528 1719 1878 2028 2292 2483 2504 2817 3042 3438 3756 4056 4069 4584 4966 5634 6084 6876 7449 7512 8138 9932 11268 12168 12207 13752 14898 16276 19864 22347 22536 24414 29796 32279 32552 36481 36621 44694 48828 52897 59592 59783 64558 72962 73242 89388 96837 97656 105794 109443 119566 129116 145924 146484 158691 178776 179349 193674 211588 218886 239132 258232 290511 291848 292968 317382 328329 358698 387348 423176 437772 474253 476073 478264 538047 581022 634764 656658 717396 774696 777179 875544 948506 952146 1076094 1162044 1269528 1313316 1422759 1434792 1554358 1897012 1904292 2152188 2324088 2331537 2626632 2845518 3108716 3794024 3808584 4268277 4304376 4663074 5691036 6165289 6217432 6994611 8536554 9326148 10103327 11382072 11418553 12330578 13989222 17073108 18495867 18652296 20206654 22837106 24661156 27978444 30309981 34146216 34255659 36991734 40413308 45674212 49322312 55487601 55956888 60619962 68511318 73983468 80826616 90929943 91348424 102766977 110975202 121239924 137022636 147966936 148441189 181859886 205533954 221950404 242479848 274045272 296882378 363719772 411067908 443900808 445323567 593764756 727439544 822135816 890647134 1187529512 1335970701 1781294268 1929735457 2671941402 3562588536 3859470914 5343882804 5789206371 7718941828 10687765608 11578412742 15437883656 17367619113 23156825484 34735238226 46313650968 69470476452 138940952904
• Sum of all divisors σ(n): 410924265570
• Sum of proper divisors (its aliquot sum) s(n): 271983312666
• 138940952904 is an abundant number, because the sum of its proper divisors (271983312666) is greater than itself. Its abundance is 133042359762

Bases of 138940952904

• Binary: 10000001011001100001101011000101001000₂
• Hexadecimal: 0x205986B148
• Base-36: 1RTTUTE0

Squares and roots of 138940952904

• 138940952904 squared (138940952904²) is 19304588393871546033216
• 138940952904 cubed (138940952904³) is 2682197906864011479626732275659264
• The square root of 138940952904 is 372747.8409112519
• The cube root of 138940952904 is 5179.3678624163

Scales and comparisons

• 138,940,952,904 seconds is equal to 4,417 years, 46 weeks, 2 days, 21 hours, 8 minutes, 24 seconds.
• To count from 1 to 138,940,952,904 would take you about eight thousand, eight hundred thirty-five 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 138940952904 cubic inches would be around 431.6 feet tall.

Recreational maths with 138940952904

• 138940952904 backwards is 409259049831
• The number of decimal digits it has is: 12
• The sum of 138940952904's digits is 54
• More coming soon!