12155569920

Names of 12155569920

• Cardinal: 12155569920 can be written as Twelve billion, one hundred fifty-five million, five hundred sixty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.215556992 × 10¹⁰

Factors of 12155569920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3575

Divisors of 12155569920

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 23 24 26 30 32 36 39 40 45 46 48 52 60 64 65 69 72 78 80 90 92 96 104 115 117 120 128 130 138 144 156 160 180 184 192 195 207 208 230 234 240 256 260 276 288 299 312 320 345 360 368 384 390 414 416 460 468 480 520 552 576 585 598 624 640 690 720 736 768 780 828 832 897 920 936 960 1035 1040 1104 1152 1170 1196 1248 1280 1380 1440 1472 1495 1560 1656 1664 1794 1840 1872 1920 2070 2080 2208 2304 2340 2392 2496 2691 2760 2880 2944 2990 3120 3312 3328 3529 3588 3680 3744 3840 4140 4160 4416 4485 4680 4784 4992 5382 5520 5760 5888 5980 6240 6624 7058 7176 7360 7488 8280 8320 8832 8970 9360 9568 9984 10587 10764 11040 11520 11960 12480 13248 13455 14116 14352 14720 14976 16560 16640 17645 17664 17940 18720 19136 21174 21528 22080 23920 24960 26496 26910 28232 28704 29440 29952 31761 33120 35290 35880 37440 38272 42348 43056 44160 45877 47840 49920 52935 52992 53820 56464 57408 63522 66240 70580 71760 74880 76544 81167 84696 86112 88320 91754 95680 105870 107640 112928 114816 127044 132480 137631 141160 143520 149760 158805 162334 169392 172224 183508 191360 211740 215280 225856 229385 229632 243501 254088 264960 275262 282320 287040 317610 324668 338784 344448 367016 382720 405835 412893 423480 430560 451712 458770 487002 508176 550524 564640 574080 635220 649336 677568 688155 688896 730503 734032 811670 825786 846960 861120 903424 917540 974004 1016352 1055171 1101048 1129280 1148160 1217505 1270440 1298672 1355136 1376310 1461006 1468064 1623340 1651572 1693920 1722240 1835080 1948008 2032704 2064465 2110342 2202096 2258560 2435010 2540880 2597344 2710272 2752620 2922012 2936128 3165513 3246680 3303144 3387840 3444480 3652515 3670160 3896016 4065408 4128930 4220684 4404192 4517120 4870020 5081760 5194688 5275855 5505240 5844024 5872256 6331026 6493360 6606288 6775680 7305030 7340320 7792032 8130816 8257860 8441368 8808384 9496539 9740040 10163520 10389376 10551710 11010480 11688048 11744512 12662052 12986720 13212576 13551360 14610060 14680640 15584064 15827565 16515720 16882736 17616768 18993078 19480080 20327040 20778752 21103420 22020960 23376096 25324104 25973440 26425152 29220120 29361280 31168128 31655130 33031440 33765472 35233536 37986156 38960160 40654080 42206840 44041920 46752192 47482695 50648208 51946880 52850304 58440240 58722560 62336256 63310260 66062880 67530944 75972312 77920320 84413680 88083840 93504384 94965390 101296416 103893760 105700608 116880480 126620520 132125760 135061888 151944624 155840640 168827360 176167680 187008768 189930780 202592832 233760960 253241040 264251520 270123776 303889248 311681280 337654720 379861560 405185664 467521920 506482080 528503040 607778496 675309440 759723120 810371328 935043840 1012964160 1215556992 1350618880 1519446240 2025928320 2431113984 3038892480 4051856640 6077784960 12155569920
• Sum of all divisors σ(n): 47274776640
• Sum of proper divisors (its aliquot sum) s(n): 35119206720
• 12155569920 is an abundant number, because the sum of its proper divisors (35119206720) is greater than itself. Its abundance is 22963636800

Bases of 12155569920

• Binary: 1011010100100001110100011100000000₂
• Hexadecimal: 0x2D4874700
• Base-36: 5L141S0

Squares and roots of 12155569920

• 12155569920 squared (12155569920²) is 147757880080008806400
• 12155569920 cubed (12155569920³) is 1796081242543522240410943488000
• The square root of 12155569920 is 110252.3012004739
• The cube root of 12155569920 is 2299.2795424619

Scales and comparisons

• 12,155,569,920 seconds is equal to 386 years, 26 weeks, 3 days, 11 hours, 12 minutes.
• To count from 1 to 12,155,569,920 would take you about seven hundred seventy-three 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 12155569920 cubic inches would be around 191.6 feet tall.

Recreational maths with 12155569920

• 12155569920 backwards is 02996555121
• 12155569920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12155569920's digits is 45
• More coming soon!