12420427680

Names of 12420427680

• Cardinal: 12420427680 can be written as Twelve billion, four hundred twenty million, four hundred twenty-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.242042768 × 10¹⁰

Factors of 12420427680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 418

Divisors of 12420427680

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 72 76 80 90 95 96 108 114 120 135 144 152 160 171 180 190 216 228 240 270 285 288 304 342 360 380 389 432 456 480 513 540 570 608 684 720 760 778 855 864 912 1026 1080 1140 1167 1368 1440 1520 1556 1710 1824 1945 2052 2160 2280 2334 2565 2736 3040 3112 3420 3501 3890 4104 4320 4560 4668 5130 5472 5835 6224 6840 7002 7391 7780 8208 9120 9336 10260 10503 11670 12448 13680 14004 14782 15560 16416 17505 18672 20520 21006 22173 23340 27360 28008 29564 31120 35010 36955 37344 41040 42012 44346 46680 52515 56016 59128 62240 66519 70020 73910 82080 84024 88692 93360 105030 110865 112032 118256 133038 140040 147820 151321 168048 177384 186720 199557 210060 221730 236512 266076 280080 295640 302642 332595 336096 354768 399114 420120 443460 453963 532152 560160 591280 605284 665190 709536 756605 798228 840240 886920 907926 997785 1064304 1182560 1210568 1330380 1361889 1513210 1596456 1680480 1773840 1815852 1995570 2128608 2269815 2421136 2660760 2723778 2875099 3026420 3192912 3547680 3631704 3991140 4085667 4539630 4842272 5321520 5447556 5750198 6052840 6385824 6809445 7263408 7982280 8171334 8625297 9079260 10643040 10895112 11500396 12105680 13618890 14375495 14526816 15964560 16342668 17250594 18158520 20428335 21790224 23000792 24211360 25875891 27237780 28750990 31929120 32685336 34501188 36317040 40856670 43126485 43580448 46001584 51751782 54475560 57501980 65370672 69002376 72634080 77627673 81713340 86252970 92003168 103503564 108951120 115003960 129379455 130741344 138004752 155255346 163426680 172505940 207007128 217902240 230007920 258758910 276009504 310510692 326853360 345011880 388138365 414014256 460015840 517517820 621021384 653706720 690023760 776276730 828028512 1035035640 1242042768 1380047520 1552553460 2070071280 2484085536 3105106920 4140142560 6210213840 12420427680
• Sum of all divisors σ(n): 45877406400
• Sum of proper divisors (its aliquot sum) s(n): 33456978720
• 12420427680 is an abundant number, because the sum of its proper divisors (33456978720) is greater than itself. Its abundance is 21036551040

Bases of 12420427680

• Binary: 1011100100010100001010111110100000₂
• Hexadecimal: 0x2E450AFA0
• Base-36: 5PESVC0

Squares and roots of 12420427680

• 12420427680 squared (12420427680²) is 154267023754110182400
• 12420427680 cubed (12420427680³) is 1916062411946767623250808832000
• The square root of 12420427680 is 111446.9725026211
• The cube root of 12420427680 is 2315.8593702363

Scales and comparisons

• 12,420,427,680 seconds is equal to 394 years, 48 weeks, 2 days, 22 hours, 48 minutes.
• To count from 1 to 12,420,427,680 would take you about seven hundred eighty-nine 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 12420427680 cubic inches would be around 193 feet tall.

Recreational maths with 12420427680

• 12420427680 backwards is 08672402421
• 12420427680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12420427680's digits is 36
• More coming soon!