138252686208

Names of 138252686208

• Cardinal: 138252686208 can be written as One hundred thirty-eight billion, two hundred fifty-two million, six hundred eighty-six thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.38252686208 × 10¹¹

Factors of 138252686208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6236

Divisors of 138252686208

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 64 78 84 91 96 98 104 112 128 147 156 168 169 182 192 196 208 224 273 294 312 336 338 343 364 384 392 416 448 507 546 588 624 637 672 676 686 728 784 832 896 1014 1029 1092 1176 1183 1248 1274 1344 1352 1372 1456 1568 1664 1911 2028 2058 2184 2352 2366 2496 2548 2688 2704 2744 2912 3136 3549 3822 4056 4116 4368 4459 4704 4732 4992 5096 5408 5488 5824 6211 6272 7098 7644 8112 8232 8281 8736 8918 9408 9464 10192 10816 10976 11648 12422 13377 14196 15288 16224 16464 16562 17472 17836 18633 18816 18928 20384 21632 21952 24843 24844 26754 28392 30576 32448 32928 33124 34944 35672 37266 37856 40768 43477 43904 49686 49688 53508 56784 57967 61152 64896 65856 66248 71344 74532 75712 80743 81536 86954 99372 99376 107016 113568 115934 122304 130431 131712 132496 142688 149064 151424 161486 173901 173908 198744 198752 214032 227136 231868 242229 244608 260862 264992 285376 298128 304339 322972 347802 347816 397488 397504 428064 454272 463736 484458 521724 529984 565201 570752 596256 608678 645944 695604 695632 794976 795008 856128 913017 927472 968916 1043448 1049659 1059968 1130402 1192512 1217356 1291888 1391208 1391264 1589952 1695603 1712256 1826034 1854944 1937832 2086896 2099318 2130373 2260804 2385024 2434712 2583776 2782416 2782528 3148977 3179904 3391206 3652068 3709888 3875664 3956407 4173792 4198636 4260746 4521608 4869424 5167552 5564832 5565056 6297954 6391119 6782412 7304136 7347613 7419776 7751328 7912814 8347584 8397272 8521492 9043216 9738848 10335104 11129664 11869221 12595908 12782238 13564824 14608272 14695226 15502656 15825628 16695168 16794544 17042984 18086432 19477696 22042839 22259328 23738442 25191816 25564476 27129648 27694849 29216544 29390452 31005312 31651256 33589088 34085968 36172864 38955392 44085678 47476884 50383632 51128952 51433291 54259296 55389698 58433088 58780904 63302512 67178176 68171936 72345728 83084547 88171356 94953768 100767264 102257904 102866582 108518592 110779396 116866176 117561808 126605024 134356352 136343872 154299873 166169094 176342712 189907536 201534528 204515808 205733164 217037184 221558792 235123616 253210048 272687744 308599746 332338188 352685424 360033037 379815072 403069056 409031616 411466328 443117584 470247232 506420096 617199492 664676376 705370848 720066074 759630144 818063232 822932656 886235168 940494464 1080099111 1234398984 1329352752 1410741696 1440132148 1519260288 1645865312 1772470336 2160198222 2468797968 2658705504 2821483392 2880264296 3291730624 3544940672 4320396444 4937595936 5317411008 5760528592 6583461248 8640792888 9875191872 10634822016 11521057184 17281585776 19750383744 23042114368 34563171552 46084228736 69126343104 138252686208
• Sum of all divisors σ(n): 463812768000
• Sum of proper divisors (its aliquot sum) s(n): 325560081792
• 138252686208 is an abundant number, because the sum of its proper divisors (325560081792) is greater than itself. Its abundance is 187307395584

Bases of 138252686208

• Binary: 10000000110000100000001001001110000000₂
• Hexadecimal: 0x2030809380
• Base-36: 1RIG2VEO

Squares and roots of 138252686208

• 138252686208 squared (138252686208²) is 19113805243727713419264
• 138252686208 cubed (138252686208³) is 2642534918601912523546856534310912
• The square root of 138252686208 is 371823.4610779691
• The cube root of 138252686208 is 5170.8014202581

Scales and comparisons

• 138,252,686,208 seconds is equal to 4,396 years, 2 days, 19 hours, 56 minutes, 48 seconds.
• To count from 1 to 138,252,686,208 would take you about eight thousand, seven hundred ninety-two 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 138252686208 cubic inches would be around 430.9 feet tall.

Recreational maths with 138252686208

• 138252686208 backwards is 802686252831
• The number of decimal digits it has is: 12
• The sum of 138252686208's digits is 51
• More coming soon!