138978677760

Names of 138978677760

• Cardinal: 138978677760 can be written as One hundred thirty-eight billion, nine hundred seventy-eight million, six hundred seventy-seven thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.3897867776 × 10¹¹

Factors of 138978677760

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1507

Divisors of 138978677760

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 37 39 40 48 52 60 64 65 74 78 80 96 104 111 120 128 130 148 156 160 169 185 192 195 208 222 240 256 260 296 312 320 338 370 384 390 416 444 480 481 507 512 520 555 592 624 640 676 740 768 780 832 845 888 960 962 1014 1024 1040 1110 1184 1248 1280 1352 1443 1447 1480 1536 1560 1664 1690 1776 1920 1924 2028 2080 2220 2368 2405 2496 2535 2560 2704 2886 2894 2960 3072 3120 3328 3380 3552 3840 3848 4056 4160 4341 4440 4736 4810 4992 5070 5120 5408 5772 5788 5920 6240 6253 6656 6760 7104 7215 7235 7680 7696 8112 8320 8682 8880 9472 9620 9984 10140 10816 11544 11576 11840 12480 12506 13312 13520 14208 14430 14470 15360 15392 16224 16640 17364 17760 18759 18811 18944 19240 19968 20280 21632 21705 23088 23152 23680 24960 25012 27040 28416 28860 28940 30784 31265 32448 33280 34728 35520 37518 37622 37888 38480 39936 40560 43264 43410 46176 46304 47360 49920 50024 53539 54080 56433 56832 57720 57880 61568 62530 64896 66560 69456 71040 75036 75244 76960 81120 86528 86820 92352 92608 93795 94055 94720 99840 100048 107078 108160 112866 113664 115440 115760 123136 125060 129792 138912 142080 150072 150488 153920 160617 162240 173056 173640 184704 185216 187590 188110 189440 199680 200096 214156 216320 225732 230880 231520 244543 246272 250120 259584 267695 277824 282165 284160 300144 300976 307840 321234 324480 347280 369408 370432 375180 376220 400192 428312 432640 451464 461760 463040 489086 492544 500240 519168 535390 555648 564330 568320 600288 601952 615680 642468 648960 694560 696007 733629 738816 740864 750360 752440 800384 803085 856624 865280 902928 923520 926080 978172 1000480 1070780 1111296 1128660 1200576 1203904 1222715 1231360 1284936 1297920 1389120 1392014 1467258 1477632 1481728 1500720 1504880 1600768 1606170 1713248 1805856 1847040 1852160 1956344 2000960 2088021 2141560 2222592 2257320 2401152 2407808 2445430 2462720 2569872 2595840 2778240 2784028 2934516 3001440 3009760 3201536 3212340 3426496 3480035 3611712 3668145 3694080 3704320 3912688 4001920 4176042 4283120 4445184 4514640 4802304 4815616 4890860 5139744 5556480 5568056 5869032 6002880 6019520 6403072 6424680 6852992 6960070 7223424 7336290 7388160 7408640 7825376 8003840 8352084 8566240 9029280 9048091 9604608 9631232 9781720 10279488 10440105 11112960 11136112 11738064 12005760 12039040 12849360 13705984 13920140 14446848 14672580 15650752 16007680 16704168 17132480 18058560 18096182 19209216 19262464 19563440 20558976 20880210 22225920 22272224 23476128 24011520 24078080 25698720 27144273 27411968 27840280 28893696 29345160 31301504 32015360 33408336 34264960 36117120 36192364 39126880 41117952 41760420 44544448 45240455 46952256 48023040 48156160 51397440 54288546 54823936 55680560 57787392 58690320 62603008 66816672 68529920 72234240 72384728 78253760 82235904 83520840 89088896 90480910 93904512 96046080 96312320 102794880 108577092 111361120 117380640 125206016 133633344 135721365 137059840 144468480 144769456 156507520 164471808 167041680 178177792 180961820 187809024 205589760 217154184 222722240 234761280 250412032 267266688 271442730 274119680 288936960 289538912 313015040 334083360 356355584 361923640 375618048 411179520 434308368 445444480 469522560 534533376 542885460 579077824 626030080 668166720 712711168 723847280 751236096 822359040 868616736 890888960 939045120 1069066752 1085770920 1158155648 1252060160 1336333440 1447694560 1737233472 1781777920 1878090240 2138133504 2171541840 2316311296 2672666880 2895389120 3474466944 3563555840 3756180480 4343083680 4632622592 5345333760 5790778240 6948933888 8686167360 9265245184 10690667520 11581556480 13897867776 17372334720 23163112960 27795735552 34744669440 46326225920 69489338880 138978677760
• Sum of all divisors σ(n): 494689090176
• Sum of proper divisors (its aliquot sum) s(n): 355710412416
• 138978677760 is an abundant number, because the sum of its proper divisors (355710412416) is greater than itself. Its abundance is 216731734656

Bases of 138978677760

• Binary: 10000001011011110001100101010000000000₂
• Hexadecimal: 0x205BC65400
• Base-36: 1RUGBE2O

Squares and roots of 138978677760

• 138978677760 squared (138978677760²) is 19315072871917918617600
• 138978677760 cubed (138978677760³) is 2684383288577198164725335064576000
• The square root of 138978677760 is 372798.4411984579
• The cube root of 138978677760 is 5179.8365824527

Scales and comparisons

• 138,978,677,760 seconds is equal to 4,419 years, 4 weeks, 5 days, 12 hours, 16 minutes.
• To count from 1 to 138,978,677,760 would take you about eight thousand, eight hundred thirty-eight 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 138978677760 cubic inches would be around 431.7 feet tall.

Recreational maths with 138978677760

• 138978677760 backwards is 067776879831
• The number of decimal digits it has is: 12
• The sum of 138978677760's digits is 69
• More coming soon!