138985302560

Names of 138985302560

• Cardinal: 138985302560 can be written as One hundred thirty-eight billion, nine hundred eighty-five million, three hundred two thousand, five hundred sixty.

Scientific notation

• Scientific notation: 1.3898530256 × 10¹¹

Factors of 138985302560

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 470

Divisors of 138985302560

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 29 32 40 52 58 65 80 104 116 130 145 160 169 208 232 260 290 338 377 416 421 464 520 580 676 754 842 845 928 1040 1160 1352 1508 1684 1690 1885 2080 2105 2320 2704 3016 3368 3380 3770 4210 4640 4901 5408 5473 6032 6736 6760 7540 8420 9802 10946 12064 12209 13472 13520 15080 16840 19604 21892 24418 24505 27040 27365 30160 33680 39208 43784 48836 49010 54730 60320 61045 67360 71149 78416 87568 97672 98020 109460 122090 142298 156832 158717 175136 177241 195344 196040 218920 244180 284596 317434 354482 355745 390688 392080 437840 488360 569192 634868 708964 711490 784160 793585 875680 886205 976720 1138384 1269736 1417928 1422980 1587170 1772410 1953440 2063321 2276768 2304133 2539472 2835856 2845960 3174340 3544820 4126642 4608266 5078944 5139989 5671712 5691920 6348680 7089640 8253284 9216532 10279978 10316605 11383840 11520665 12697360 14179280 16506568 18433064 20559956 20633210 23041330 25394720 25699945 28358560 29953729 33013136 36866128 41119912 41266420 46082660 51399890 59907458 66026272 66819857 73732256 82239824 82532840 92165320 102799780 119814916 133639714 149768645 164479648 165065680 184330640 205599560 239629832 267279428 299537290 330131360 334099285 368661280 411199120 479259664 534558856 599074580 668198570 822398240 868658141 958519328 1069117712 1198149160 1336397140 1737316282 2138235424 2396298320 2672794280 3474632564 4343290705 4792596640 5345588560 6949265128 8686581410 10691177120 13898530256 17373162820 27797060512 34746325640 69492651280 138985302560
• Sum of all divisors σ(n): 368689810860
• Sum of proper divisors (its aliquot sum) s(n): 229704508300
• 138985302560 is an abundant number, because the sum of its proper divisors (229704508300) is greater than itself. Its abundance is 90719205740

Bases of 138985302560

• Binary: 10000001011100001010110110101000100000₂
• Hexadecimal: 0x205C2B6A20
• Base-36: 1RUK9DSW

Squares and roots of 138985302560

• 138985302560 squared (138985302560²) is 19316914327694742553600
• 138985302560 cubed (138985302560³) is 2684767182360252781133403017216000
• The square root of 138985302560 is 372807.3263228607
• The cube root of 138985302560 is 5179.9188848525

Scales and comparisons

• 138,985,302,560 seconds is equal to 4,419 years, 15 weeks, 5 days, 4 hours, 29 minutes, 20 seconds.
• To count from 1 to 138,985,302,560 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 138985302560 cubic inches would be around 431.7 feet tall.

Recreational maths with 138985302560

• 138985302560 backwards is 065203589831
• The number of decimal digits it has is: 12
• The sum of 138985302560's digits is 50
• More coming soon!