138631376280

Names of 138631376280

• Cardinal: 138631376280 can be written as One hundred thirty-eight billion, six hundred thirty-one million, three hundred seventy-six thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3863137628 × 10¹¹

Factors of 138631376280

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 647

Divisors of 138631376280

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 17 20 24 30 31 34 40 41 51 60 62 68 82 85 93 102 120 123 124 127 136 155 164 170 186 204 205 246 248 254 255 310 328 340 372 381 408 410 421 465 492 508 510 527 615 620 635 680 697 744 762 820 842 930 984 1016 1020 1054 1230 1240 1263 1270 1271 1394 1524 1581 1640 1684 1860 1905 2040 2091 2105 2108 2159 2460 2526 2540 2542 2635 2788 3048 3162 3368 3485 3720 3810 3813 3937 4182 4210 4216 4318 4920 5052 5080 5084 5207 5270 5576 6315 6324 6355 6477 6970 7157 7620 7626 7874 7905 8364 8420 8636 10104 10168 10414 10455 10540 10795 11811 12630 12648 12710 12954 13051 13940 14314 15240 15252 15621 15748 15810 16728 16840 17261 17272 19065 19685 20828 20910 21080 21471 21590 21607 23622 25260 25420 25908 26035 26102 27880 28628 30504 31242 31496 31620 32385 34522 35785 38130 39153 39370 41656 41820 42942 43180 43214 47244 50520 50840 51783 51816 52070 52204 53467 57256 59055 62484 63240 64770 64821 65255 66929 69044 71570 76260 78105 78306 78740 83640 85884 86305 86360 86428 88519 94488 103566 104140 104408 106934 107355 108035 118110 124968 129540 129642 130510 133858 138088 143140 152520 156210 156612 157480 160401 161417 171768 172610 172856 177038 195765 200787 207132 208280 213868 214710 216070 221867 236220 258915 259080 259284 261020 265557 267335 267716 286280 293437 312420 313224 320802 322834 324105 334645 345220 354076 391530 401574 414264 427736 429420 432140 442595 443734 472440 484251 517830 518568 522040 531114 534670 535091 535432 586874 624840 641604 645668 648210 665601 669290 690440 708152 783060 802005 803148 807085 858840 864280 880311 885190 887468 908939 968502 1003935 1035660 1062228 1069340 1070182 1109335 1173748 1283208 1291336 1296420 1327785 1331202 1338580 1467185 1566120 1604010 1605273 1606296 1614170 1657477 1760622 1770380 1774936 1817878 1937004 2007870 2071320 2124456 2138680 2140364 2192147 2218670 2347496 2421255 2592840 2655570 2662404 2675455 2677160 2726817 2744089 2934370 3208020 3210546 3228340 3314954 3328005 3521244 3540760 3635756 3874008 4015740 4280728 4384294 4401555 4437340 4544695 4842510 4972431 5311140 5324808 5350910 5453634 5488178 5868740 6416040 6421092 6456680 6576441 6629908 6656010 7042488 7271512 8026365 8031480 8232267 8287385 8768588 8803110 8874680 9089390 9096547 9685020 9944862 10622280 10701820 10907268 10960735 10976356 11737480 12842184 13152882 13259816 13312020 13634085 13720445 16052730 16464534 16574770 17537176 17606220 18178780 18193094 19370040 19889724 21403640 21814536 21921470 21952712 24862155 26305764 26624040 27268170 27289641 27440890 28177109 32105460 32882205 32929068 33149540 35212440 36357560 36386188 37266499 39779448 41161335 43842940 45482735 49724310 52611528 54536340 54579282 54881780 56354218 64210920 65764410 65858136 66299080 67956557 72772376 74532998 82322670 84531327 87685880 90965470 99448620 109072680 109158564 109763560 111799497 112708436 131528820 135913114 136448205 140885545 149065996 164645340 169062654 181930940 186332495 198897240 203869671 218317128 223598994 225416872 263057640 271826228 272896410 281771090 298131992 329290680 338125308 339782785 363861880 372664990 407739342 422656635 447197988 543652456 545792820 558997485 563542180 676250616 679565570 745329980 815478684 845313270 894395976 1019348355 1091585640 1117994970 1127084360 1155261469 1359131140 1490659960 1630957368 1690626540 2038696710 2235989940 2310522938 2718262280 3381253080 3465784407 4077393420 4471979880 4621045876 5776307345 6931568814 8154786840 9242091752 11552614690 13863137628 17328922035 23105229380 27726275256 34657844070 46210458760 69315688140 138631376280
• Sum of all divisors σ(n): 470431825920
• Sum of proper divisors (its aliquot sum) s(n): 331800449640
• 138631376280 is an abundant number, because the sum of its proper divisors (331800449640) is greater than itself. Its abundance is 193169073360

Bases of 138631376280

• Binary: 10000001000111000100101110110110011000₂
• Hexadecimal: 0x204712ED98
• Base-36: 1ROPJIJC

Squares and roots of 138631376280

• 138631376280 squared (138631376280²) is 19218658489286946638400
• 138631376280 cubed (138631376280³) is 2664309076625155048320311497152000
• The square root of 138631376280 is 372332.3465400233
• The cube root of 138631376280 is 5175.5182569487

Scales and comparisons

• 138,631,376,280 seconds is equal to 4,408 years, 2 weeks, 3 days, 19 hours, 38 minutes.
• To count from 1 to 138,631,376,280 would take you about eight thousand, eight hundred sixteen 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 138631376280 cubic inches would be around 431.3 feet tall.

Recreational maths with 138631376280

• 138631376280 backwards is 082673136831
• The number of decimal digits it has is: 12
• The sum of 138631376280's digits is 48
• More coming soon!