12857490240

Names of 12857490240

• Cardinal: 12857490240 can be written as Twelve billion, eight hundred fifty-seven million, four hundred ninety thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.285749024 × 10¹⁰

Factors of 12857490240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1077

Divisors of 12857490240

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 140 147 160 168 192 196 210 224 240 245 280 294 320 336 392 420 443 448 480 490 560 588 617 672 735 784 840 886 960 980 1120 1176 1234 1329 1344 1470 1568 1680 1772 1851 1960 2215 2240 2352 2468 2658 2940 3085 3101 3136 3360 3544 3702 3920 4319 4430 4704 4936 5316 5880 6170 6202 6645 6720 7088 7404 7840 8638 8860 9255 9303 9408 9872 10632 11760 12340 12404 12957 13290 14176 14808 15505 15680 17276 17720 18510 18606 19744 21264 21595 21707 23520 24680 24808 25914 26580 28352 29616 30233 31010 34552 35440 37020 37212 39488 42528 43190 43414 46515 47040 49360 49616 51828 53160 59232 60466 62020 64785 65121 69104 70880 74040 74424 85056 86380 86828 90699 93030 98720 99232 103656 106320 108535 118464 120932 124040 129570 130242 138208 141760 148080 148848 151165 172760 173656 181398 186060 197440 198464 207312 212640 217070 241864 248080 259140 260484 273331 276416 296160 297696 302330 325605 345520 347312 362796 372120 414624 425280 434140 453495 483728 496160 518280 520968 546662 592320 595392 604660 651210 691040 694624 725592 744240 819993 829248 868280 906990 967456 992320 1036560 1041936 1093324 1209320 1302420 1366655 1382080 1389248 1451184 1488480 1639986 1736560 1813980 1913317 1934912 2073120 2083872 2186648 2418640 2604840 2733310 2902368 2976960 3279972 3473120 3627960 3826634 4099965 4146240 4167744 4373296 4837280 5209680 5466620 5739951 5804736 6559944 6946240 7255920 7653268 8199930 8746592 9566585 9674560 10419360 10933240 11479902 13119888 13393219 14511840 15306536 16399860 17493184 19133170 20838720 21866480 22959804 26239776 26786438 28699755 29023680 30613072 32799720 38266340 40179657 43732960 45919608 52479552 53572876 57399510 61226144 65599440 66966095 76532680 80359314 87465920 91839216 107145752 114799020 122452288 131198880 133932190 153065360 160718628 183678432 200898285 214291504 229598040 262397760 267864380 306130720 321437256 367356864 401796570 428583008 459196080 535728760 612261440 642874512 803593140 857166016 918392160 1071457520 1285749024 1607186280 1836784320 2142915040 2571498048 3214372560 4285830080 6428745120 12857490240
• Sum of all divisors σ(n): 47671768512
• Sum of proper divisors (its aliquot sum) s(n): 34814278272
• 12857490240 is an abundant number, because the sum of its proper divisors (34814278272) is greater than itself. Its abundance is 21956788032

Bases of 12857490240

• Binary: 1011111110010111011011101101000000₂
• Hexadecimal: 0x2FE5DBB40
• Base-36: 5WN0MYO

Squares and roots of 12857490240

• 12857490240 squared (12857490240²) is 165315055271695257600
• 12857490240 cubed (12857490240³) is 2125536709680882322846285824000
• The square root of 12857490240 is 113390.8737068377
• The cube root of 12857490240 is 2342.7110954539

Scales and comparisons

• 12,857,490,240 seconds is equal to 408 years, 43 weeks, 13 hours, 4 minutes.
• To count from 1 to 12,857,490,240 would take you about eight hundred seventeen 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 12857490240 cubic inches would be around 195.2 feet tall.

Recreational maths with 12857490240

• 12857490240 backwards is 04209475821
• 12857490240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12857490240's digits is 42
• More coming soon!