138858268640

Names of 138858268640

• Cardinal: 138858268640 can be written as One hundred thirty-eight billion, eight hundred fifty-eight million, two hundred sixty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3885826864 × 10¹¹

Factors of 138858268640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 714

Divisors of 138858268640

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 29 32 35 40 41 52 56 58 65 70 80 82 91 104 112 116 130 140 145 160 164 169 182 203 205 208 224 232 260 280 287 290 328 338 364 377 406 410 416 455 464 520 533 560 574 580 617 656 676 728 754 812 820 845 910 928 1015 1040 1066 1120 1148 1160 1183 1189 1234 1312 1352 1435 1456 1508 1624 1640 1690 1820 1885 2030 2080 2132 2296 2320 2366 2378 2468 2639 2665 2704 2870 2912 3016 3085 3248 3280 3380 3640 3731 3770 4060 4264 4319 4592 4640 4732 4756 4901 4936 5278 5330 5408 5740 5915 5945 6032 6170 6496 6560 6760 6929 7280 7462 7540 8021 8120 8323 8528 8638 9184 9464 9512 9802 9872 10556 10660 11480 11830 11890 12064 12340 13195 13520 13858 14560 14924 15080 15457 16042 16240 16646 17056 17276 17893 18655 18928 19024 19604 19744 21112 21320 21595 22960 23660 23780 24505 24680 25297 26390 27040 27716 29848 30160 30914 32084 32480 33292 34307 34552 34645 35786 37310 37856 38048 39208 40105 41615 42224 42640 43190 45920 47320 47560 48503 49010 49360 50594 52780 55432 56147 59696 60320 61828 64168 66584 68614 69104 69290 71572 74620 77285 78416 80210 83230 84448 85280 86380 89465 94640 95120 97006 98020 98720 101188 104273 105560 108199 110864 112294 119392 123656 125251 126485 128336 133168 137228 138208 138580 143144 149240 154570 156832 160420 166460 171535 172760 177079 178930 189280 190240 194012 196040 200941 202376 208546 211120 216398 221728 224588 232609 242515 247312 250502 252970 256672 266336 274456 277160 280735 286288 298480 309140 320840 328861 332920 343070 345520 354158 357860 388024 392080 401882 404752 417092 422240 432796 449176 465218 485030 494624 501004 505940 521365 540995 548912 554320 561470 572576 596960 618280 626255 641680 657722 665840 686140 691040 708316 715720 729911 733613 776048 784160 803764 809504 834184 865592 885395 898352 930436 970060 1002008 1004705 1011880 1042730 1081990 1097824 1108640 1122940 1163045 1236560 1252510 1283360 1315444 1331680 1372280 1406587 1416632 1431440 1459822 1467226 1552096 1607528 1628263 1644305 1668368 1731184 1770790 1796704 1860872 1940120 2004016 2009410 2023760 2085460 2163980 2245880 2302027 2326090 2473120 2505020 2630888 2744560 2813174 2833264 2862880 2919644 2934452 3023917 3215056 3256526 3288610 3336736 3462368 3541580 3649555 3668065 3721744 3880240 4008032 4018820 4047520 4170920 4275193 4327960 4491760 4604054 4652180 5010040 5135291 5261776 5489120 5626348 5666528 5839288 5868904 6047834 6430112 6513052 6577220 7032935 7083160 7299110 7336130 7443488 7760480 8037640 8141315 8341840 8550386 8655920 8983520 9208108 9304360 9536969 10020080 10270582 10523552 11252696 11510135 11678576 11737808 12095668 13026104 13154440 14065870 14166320 14598220 14672260 15119585 16075280 16282630 16683680 17100772 17311840 18416216 18608720 19073938 20040160 20541164 21167419 21375965 22505392 23020270 23357152 23475616 24191336 25676455 26052208 26308880 28131740 28332640 29196440 29344520 29926351 30239170 32150560 32565260 34201544 36832432 37217440 38147876 41082328 42334838 42751930 45010784 46040540 47684845 48382672 51352910 52104416 52617760 56263480 58392880 58689040 59852702 60478340 65130520 66758783 68403088 73664864 76295752 82164656 84669676 85503860 92081080 95369690 96765344 102705820 105837095 112526960 116785760 117378080 119705404 120956680 123980597 130261040 133517566 136806176 149631755 152591504 164329312 169339352 171007720 184162160 190739380 205411640 211674190 225053920 239410808 241913360 247961194 260522080 267035132 299263510 305183008 333793915 338678704 342015440 368324320 381478760 410823280 423348380 478821616 483826720 495922388 534070264 598527020 619902985 667587830 677357408 684030880 762957520 821646560 846696760 867864179 957643232 991844776 1068140528 1197054040 1239805970 1335175660 1525915040 1693393520 1735728358 1983689552 2136281056 2394108080 2479611940 2670351320 3386787040 3471456716 3967379104 4339320895 4788216160 4959223880 5340702640 6942913432 8678641790 9918447760 10681405280 13885826864 17357283580 19836895520 27771653728 34714567160 69429134320 138858268640
• Sum of all divisors σ(n): 430915282560
• Sum of proper divisors (its aliquot sum) s(n): 292057013920
• 138858268640 is an abundant number, because the sum of its proper divisors (292057013920) is greater than itself. Its abundance is 153198745280

Bases of 138858268640

• Binary: 10000001010100100110010000011111100000₂
• Hexadecimal: 0x20549907E0
• Base-36: 1RSGMLSW

Squares and roots of 138858268640

• 138858268640 squared (138858268640²) is 19281618769698407449600
• 138858268640 cubed (138858268640³) is 2677412198936847753416734060544000
• The square root of 138858268640 is 372636.9126106537
• The cube root of 138858268640 is 5178.3402383541

Scales and comparisons

• 138,858,268,640 seconds is equal to 4,415 years, 13 weeks, 4 days, 21 hours, 17 minutes, 20 seconds.
• To count from 1 to 138,858,268,640 would take you about eight thousand, eight hundred thirty 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 138858268640 cubic inches would be around 431.5 feet tall.

Recreational maths with 138858268640

• 138858268640 backwards is 046862858831
• The number of decimal digits it has is: 12
• The sum of 138858268640's digits is 59
• More coming soon!