138185987376

Names of 138185987376

• Cardinal: 138185987376 can be written as One hundred thirty-eight billion, one hundred eighty-five million, nine hundred eighty-seven thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 1.38185987376 × 10¹¹

Factors of 138185987376

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1422

Divisors of 138185987376

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 31 38 41 48 57 62 76 82 93 97 114 123 124 152 164 186 194 228 246 248 291 304 328 372 388 456 492 496 582 589 656 744 776 779 912 984 1164 1178 1229 1271 1488 1552 1558 1767 1843 1968 2328 2337 2356 2458 2542 3007 3116 3534 3686 3687 3813 3977 4656 4674 4712 4916 5084 5529 6014 6232 7068 7372 7374 7626 7954 9021 9348 9424 9832 10168 11058 11931 12028 12464 14136 14744 14748 15252 15908 18042 18696 19664 20336 22116 23351 23862 24056 24149 28272 29488 29496 30504 31816 36084 37392 38099 44232 46702 47724 48112 48298 50389 57133 58992 61008 63632 70053 72168 72447 75563 76198 88464 93404 95448 96596 100778 114266 114297 119213 123287 140106 144336 144894 151126 151167 152396 171399 186808 190896 193192 201556 226689 228532 228594 238426 246574 280212 289788 302252 302334 304792 342798 357639 369861 373616 386384 403112 453378 457064 457188 476852 493148 560424 579576 604504 604668 609584 685596 715278 723881 739722 806224 906756 914128 914376 953704 957391 986296 1120848 1159152 1209008 1209336 1371192 1430556 1447762 1479444 1562059 1813512 1828752 1907408 1914782 1972592 2171643 2265047 2342453 2418672 2742384 2861112 2872173 2895524 2958888 3124118 3627024 3695603 3829564 4343286 4530094 4684906 4686177 4887733 5722224 5744346 5791048 5917776 6248236 6795141 7027359 7391206 7659128 8686572 9060188 9369812 9372354 9775466 11086809 11488692 11582096 12496472 13590282 14054718 14663199 14782412 15318256 17373144 18120376 18739624 18744708 19550932 22173618 22977384 24992944 27180564 28109436 29326398 29564824 29679121 34746288 36240752 37479248 37489416 39101864 44347236 45954768 54361128 56218872 58652796 59129648 59358242 70216457 74978832 78203728 88694472 89037363 92866927 108722256 112437744 117305592 118716484 140432914 151519723 177388944 178074726 185733854 210649371 234611184 237432968 278600781 280865828 303039446 356149452 371467708 421298742 454559169 474865936 557201562 561731656 606078892 712298904 742935416 842597484 909118338 1114403124 1123463312 1212157784 1424597808 1485870832 1685194968 1818236676 2228806248 2424315568 2878874737 3370389936 3636473352 4457612496 5757749474 7272946704 8636624211 11515498948 17273248422 23030997896 34546496844 46061995792 69092993688 138185987376
• Sum of all divisors σ(n): 401774284800
• Sum of proper divisors (its aliquot sum) s(n): 263588297424
• 138185987376 is an abundant number, because the sum of its proper divisors (263588297424) is greater than itself. Its abundance is 125402310048

Bases of 138185987376

• Binary: 10000000101100100001101101010100110000₂
• Hexadecimal: 0x202C86D530
• Base-36: 1RHCDA9C

Squares and roots of 138185987376

• 138185987376 squared (138185987376²) is 19095367107080031365376
• 138185987376 cubed (138185987376³) is 2638712157999046854477531979493376
• The square root of 138185987376 is 371733.7587252467
• The cube root of 138185987376 is 5169.9697501183

Scales and comparisons

• 138,185,987,376 seconds is equal to 4,393 years, 46 weeks, 20 hours, 29 minutes, 36 seconds.
• To count from 1 to 138,185,987,376 would take you about eight thousand, seven hundred eighty-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 138185987376 cubic inches would be around 430.8 feet tall.

Recreational maths with 138185987376

• 138185987376 backwards is 673789581831
• The number of decimal digits it has is: 12
• The sum of 138185987376's digits is 66
• More coming soon!