138931972140

Names of 138931972140

• Cardinal: 138931972140 can be written as One hundred thirty-eight billion, nine hundred thirty-one million, nine hundred seventy-two thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.3893197214 × 10¹¹

Factors of 138931972140

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 299

Divisors of 138931972140

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 19 20 26 29 30 38 39 52 57 58 60 65 71 76 78 87 95 114 116 130 142 145 156 157 174 190 195 213 228 247 260 284 285 290 314 348 355 377 380 390 426 435 471 494 551 570 580 628 710 741 754 780 785 841 852 870 923 942 988 1065 1102 1131 1140 1235 1349 1420 1482 1508 1570 1653 1682 1740 1846 1884 1885 2041 2059 2130 2204 2262 2355 2470 2523 2698 2755 2769 2964 2983 3140 3306 3364 3692 3705 3770 4047 4082 4118 4205 4260 4524 4553 4615 4710 4940 5046 5396 5510 5538 5655 5966 6123 6177 6612 6745 7163 7410 7540 8094 8164 8236 8265 8410 8949 9106 9230 9420 10092 10205 10295 10933 11020 11076 11147 11310 11932 12246 12354 12615 13490 13659 13845 14326 14820 14915 15979 16188 16530 16820 17537 17898 18212 18460 20235 20410 20590 21489 21866 22294 22620 22765 24492 24708 25230 26767 26980 27318 27690 28652 29830 30615 30885 31958 32799 33060 33441 35074 35796 35815 38779 39121 40470 40820 41180 42978 43732 44588 44745 45530 47937 50460 52611 53534 54636 54665 55380 55735 59189 59660 59711 61230 61770 63916 65598 66882 68295 70148 71630 77558 78242 79895 80301 80940 85956 86507 87685 89490 91060 95874 105222 107068 107445 109330 111470 116337 117363 118378 119422 122460 123540 131196 132037 133764 133835 136590 143260 144911 155116 156484 159790 160602 163995 167205 173014 175370 177567 178980 179133 191748 193895 195605 207727 210444 211793 214890 218660 222940 232674 234726 236756 238844 239685 259521 263055 264074 267670 273180 289822 295945 298555 319580 321204 323263 327990 334410 346028 350740 355134 358266 387790 391210 396111 401505 415454 423586 429780 432535 434733 465348 469452 479370 508573 519042 526110 528148 535340 579644 581685 586815 591890 597110 623181 635379 646526 655980 660185 668820 710268 716532 724555 775580 776243 782420 792222 803010 830908 847172 865070 869466 887835 895665 958740 969789 1017146 1038084 1038635 1052220 1058965 1124591 1134509 1163370 1173630 1183780 1194220 1246362 1270758 1293052 1297605 1320370 1449110 1525719 1552486 1584444 1606020 1616315 1716481 1730140 1738932 1775670 1791330 1939578 1980555 2034292 2077270 2117930 2173665 2249182 2269018 2326740 2328729 2347260 2492724 2508703 2541516 2542865 2595210 2640740 2753309 2898220 3051438 3104972 3115905 3176895 3232630 3373773 3403527 3432962 3551340 3582660 3879156 3881215 3961110 4154540 4202419 4235860 4347330 4498364 4538036 4657458 4848945 5017406 5085730 5149443 5190420 5506618 5622955 5672545 6102876 6141997 6231810 6353790 6465260 6747546 6807054 6865924 7526109 7628595 7762430 7922220 8259927 8404838 8582405 8694660 9314916 9374627 9697890 10034812 10171460 10298886 11013236 11245910 11345090 11643645 12283994 12463620 12543515 12607257 12707580 13495092 13614108 13766545 14748617 15052218 15257190 15524860 16519854 16809676 16868865 17017635 17164810 18425991 18749254 19395780 20597772 21012095 22491820 22690180 23287290 24567988 25087030 25214514 25747215 27533090 28123881 29497234 30104436 30514380 30709985 32613139 33039708 33737730 34035270 34329620 36851982 37498508 37630545 41299635 42024190 44245851 46574580 46873135 50174060 50429028 51494430 55066180 56247762 58994468 61419970 63036285 65226278 67475460 68070540 73703964 73743085 75261090 79845961 82599270 84048380 88491702 92129955 93746270 97839417 102988860 112495524 121870151 122839940 126072570 130452556 140619405 147486170 150522180 159691922 163065695 165198540 176983404 178117913 184259910 187492540 195678834 221229255 239537883 243740302 252145140 281238810 294972340 319383844 326131390 356235826 365610453 368519820 391357668 399229805 442458510 479075766 487480604 489197085 534353739 562477620 609350755 652262780 712471652 731220906 798459610 884917020 890589565 958151532 978394170 1068707478 1197689415 1218701510 1462441812 1596919220 1781179130 1828052265 1956788340 2137414956 2315532869 2395378830 2437403020 2671768695 3562358260 3656104530 4631065738 4790757660 5343537390 6946598607 7312209060 9262131476 10687074780 11577664345 13893197214 23155328690 27786394428 34732993035 46310657380 69465986070 138931972140
• Sum of all divisors σ(n): 466095651840
• Sum of proper divisors (its aliquot sum) s(n): 327163679700
• 138931972140 is an abundant number, because the sum of its proper divisors (327163679700) is greater than itself. Its abundance is 188231707560

Bases of 138931972140

• Binary: 10000001011000111111011010100000101100₂
• Hexadecimal: 0x2058FDA82C
• Base-36: 1RTOIBSC

Squares and roots of 138931972140

• 138931972140 squared (138931972140²) is 19302092882709736179600
• 138931972140 cubed (138931972140³) is 2681677830624321354610937236344000
• The square root of 138931972140 is 372735.7940150101
• The cube root of 138931972140 is 5179.2562666109

Scales and comparisons

• 138,931,972,140 seconds is equal to 4,417 years, 31 weeks, 3 days, 22 hours, 29 minutes.
• To count from 1 to 138,931,972,140 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 138931972140 cubic inches would be around 431.6 feet tall.

Recreational maths with 138931972140

• 138931972140 backwards is 041279139831
• The number of decimal digits it has is: 12
• The sum of 138931972140's digits is 48
• More coming soon!