68149738579440

Names of 68149738579440

• Cardinal: 68149738579440 can be written as Sixty-eight trillion, one hundred forty-nine billion, seven hundred thirty-eight million, five hundred seventy-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.814973857944 × 10¹³

Factors of 68149738579440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 70314

Divisors of 68149738579440

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 41 42 48 56 60 70 80 82 84 105 112 120 123 140 164 168 205 210 240 246 280 287 328 336 410 420 492 560 574 615 656 820 840 861 984 1148 1230 1435 1640 1680 1722 1968 2296 2460 2870 3280 3444 4305 4592 4920 5740 6888 8610 9840 11480 13776 17220 19489 22960 34440 38978 50767 58467 68880 77956 97445 101534 116934 136423 152301 155912 194890 203068 233868 253835 272846 292335 304602 311824 355369 389780 406136 409269 467736 507670 545692 584670 609204 682115 710738 761505 779560 799049 812272 818538 935472 1015340 1066107 1091384 1169340 1218408 1364230 1421476 1523010 1559120 1598098 1637076 1776845 2030680 2046345 2081447 2132214 2182768 2338680 2397147 2436816 2728460 2842952 3046020 3196196 3274152 3553690 3995245 4061360 4092690 4162894 4264428 4677360 4794294 5330535 5456920 5593343 5685904 6092040 6244341 6392392 6548304 7107380 7990490 8185380 8325788 8528856 9588588 10407235 10661070 10913840 11186686 11985735 12184080 12488682 12784784 14214760 14570129 15980980 16370760 16651576 16780029 17057712 19177176 20814470 21322140 22373372 23971470 24977364 27966715 28429520 29140258 31221705 31961960 32741520 33303152 33560058 38354352 41628940 42644280 43710387 44746744 47942940 49954728 55933430 58280516 62443410 63923920 67120116 72850645 83257880 83900145 85288560 87420774 89493488 95885880 99909456 111866860 116561032 124886820 134240232 145701290 166515760 167800290 174841548 191771760 218551935 223733720 233122064 249773640 268480464 291402580 335600580 349683096 437103870 447467440 499547280 582805160 671201160 699366192 874207740 989398063 1165610320 1342402320 1748415480 1978796126 2968194189 3496830960 3957592252 4946990315 5936388378 6925786441 7915184504 9893980630 11872776756 13851572882 14840970945 15830369008 19787961260 20777359323 23745553512 27703145764 29681941890 34628932205 39575922520 40565320583 41554718646 47491107024 55406291528 59363883780 69257864410 79151845040 81130641166 83109437292 103886796615 110812583056 118727767560 121695961749 138515728820 162261282332 166218874584 202826602915 207773593230 237455535120 243391923498 277031457640 283957244081 324522564664 332437749168 405653205830 415547186460 486783846996 554062915280 567914488162 608479808745 649045129328 811306411660 831094372920 851871732243 973567693992 1135828976324 1216959617490 1419786220405 1622612823320 1662188745840 1703743464486 1947135387984 2271657952648 2433919234980 2839572440810 3245225646640 3407486928972 4259358661215 4543315905296 4867838469960 5679144881620 6814973857944 8518717322430 9735676939920 11358289763240 13629947715888 17037434644860 22716579526480 34074869289720 68149738579440
• Sum of all divisors σ(n): 247351248506880
• Sum of proper divisors (its aliquot sum) s(n): 179201509927440
• 68149738579440 is an abundant number, because the sum of its proper divisors (179201509927440) is greater than itself. Its abundance is 111051771348000

Bases of 68149738579440

• Binary: 1111011111101101011000111101011010010111110000₂
• Hexadecimal: 0x3DFB58F5A5F0
• Base-36: O5NK2RXTC

Squares and roots of 68149738579440

• 68149738579440 squared (68149738579440²) is 4644386868446012709190713600
• 68149738579440 cubed (68149738579440³) is 316513750946379760328374928086503888384000
• The square root of 68149738579440 is 8255285.4935150487
• The cube root of 68149738579440 is 40846.4889196627

Scales and comparisons

• 68,149,738,579,440 seconds is equal to 2,166,950 years, 46 weeks, 10 hours, 44 minutes.
• To count from 1 to 68,149,738,579,440 would take you about five million, four hundred seventeen thousand, three hundred seventy-seven 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 68149738579440 cubic inches would be around 3403.9 feet tall.

Recreational maths with 68149738579440

• 68149738579440 backwards is 04497583794186
• The number of decimal digits it has is: 14
• The sum of 68149738579440's digits is 75
• More coming soon!