12855373440

Names of 12855373440

• Cardinal: 12855373440 can be written as Twelve billion, eight hundred fifty-five million, three hundred seventy-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.285537344 × 10¹⁰

Factors of 12855373440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 510

Divisors of 12855373440

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 23 24 26 28 30 32 35 39 40 42 46 48 49 52 56 60 64 65 69 70 78 80 84 91 92 96 98 104 105 112 115 120 128 130 138 140 147 156 160 161 168 182 184 192 195 196 208 210 224 230 240 245 260 273 276 280 294 299 312 320 322 336 345 364 368 384 390 392 416 420 448 455 457 460 480 483 490 520 546 552 560 588 598 624 637 640 644 672 690 728 735 736 780 784 805 832 840 896 897 910 914 920 960 966 980 1040 1092 1104 1120 1127 1176 1196 1248 1274 1288 1344 1365 1371 1380 1456 1470 1472 1495 1560 1568 1610 1664 1680 1794 1820 1828 1840 1911 1920 1932 1960 2080 2093 2184 2208 2240 2254 2285 2352 2392 2415 2496 2548 2576 2688 2730 2742 2760 2912 2940 2944 2990 3120 3136 3185 3199 3220 3360 3381 3588 3640 3656 3680 3822 3864 3920 4160 4186 4368 4416 4480 4485 4508 4570 4704 4784 4830 4992 5096 5152 5460 5484 5520 5635 5824 5880 5941 5980 6240 6272 6279 6370 6398 6440 6720 6762 6855 7176 7280 7312 7360 7644 7728 7840 8320 8372 8736 8832 8970 9016 9140 9408 9555 9568 9597 9660 10192 10304 10465 10511 10920 10968 11040 11270 11648 11760 11882 11960 12480 12558 12740 12796 12880 13440 13524 13710 14352 14560 14624 14651 14720 15288 15456 15680 15995 16744 16905 17472 17823 17940 18032 18280 18816 19110 19136 19194 19320 20384 20608 20930 21022 21840 21936 22080 22393 22540 23520 23764 23920 24960 25116 25480 25592 25760 27048 27420 28704 29120 29248 29302 29705 30576 30912 31360 31395 31533 31990 33488 33810 34944 35646 35880 36064 36560 38220 38272 38388 38640 40768 41587 41860 42044 43680 43872 43953 44160 44786 45080 47040 47528 47840 47985 50232 50960 51184 51520 52555 54096 54840 57408 58240 58496 58604 59410 61152 61824 62790 63066 63980 66976 67179 67620 71292 71760 72128 73120 73255 73577 76440 76776 77280 81536 83174 83720 84088 87360 87744 87906 89115 89572 90160 94080 95056 95680 95970 100464 101920 102368 103040 105110 108192 109680 111965 114816 117208 118820 122304 124761 125580 126132 127960 133952 134358 135240 136643 142584 143520 144256 146240 146510 147154 152880 153552 154560 157665 166348 167440 168176 174720 175488 175812 178230 179144 180320 190112 191360 191940 200928 203840 204736 207935 210220 216384 219360 219765 220731 223930 234416 237640 244608 249522 251160 252264 255920 267904 268716 270480 273286 285168 287040 291109 292480 293020 294308 305760 307104 309120 315330 332696 334880 335895 336352 351624 356460 358288 360640 367885 380224 383880 401856 407680 409472 409929 415870 420440 432768 438720 439530 441462 447860 468832 475280 499044 502320 504528 511840 515039 537432 540960 546572 570336 574080 582218 586040 588616 611520 614208 623805 630660 665392 669760 671790 672704 683215 703248 712920 716576 721280 735770 760448 767760 803712 819858 831740 840880 873327 877440 879060 882924 895720 937664 950560 956501 998088 1004640 1009056 1023680 1030078 1074864 1081920 1093144 1103655 1140672 1164436 1172080 1177232 1223040 1228416 1247610 1261320 1330784 1339520 1343580 1345408 1366430 1406496 1425840 1433152 1455545 1471540 1535520 1545117 1639716 1663480 1681760 1746654 1758120 1765848 1791440 1875328 1901120 1913002 1996176 2009280 2018112 2047360 2049645 2060156 2149728 2163840 2186288 2207310 2281344 2328872 2344160 2354464 2495220 2522640 2575195 2661568 2687160 2732860 2812992 2851680 2866304 2869503 2911090 2943080 3071040 3090234 3279432 3326960 3363520 3493308 3516240 3531696 3582880 3802240 3826004 3992352 4018560 4036224 4099290 4120312 4299456 4366635 4372576 4414620 4657744 4688320 4708928 4782505 4990440 5045280 5150390 5323136 5374320 5465720 5625984 5703360 5739006 5822180 5886160 6142080 6180468 6558864 6653920 6695507 6727040 6986616 7032480 7063392 7165760 7652008 7725585 7984704 8198580 8240624 8598912 8733270 8745152 8829240 9315488 9376640 9417856 9565010 9980880 10090560 10300780 10748640 10931440 11406720 11478012 11644360 11772320 12360936 13117728 13307840 13391014 13973232 14064960 14126784 14331520 14347515 15304016 15451170 15969408 16397160 16481248 17466540 17490304 17658480 18630976 19130020 19961760 20086521 20181120 20601560 21497280 21862880 22956024 23288720 23544640 24721872 26235456 26615680 26782028 27946464 28129920 28253568 28695030 30608032 30902340 32794320 32962496 33477535 34933080 35316960 37261952 38260040 39923520 40173042 41203120 42994560 43725760 45912048 46577440 47089280 49443744 52470912 53564056 55892928 57390060 61216064 61804680 65588640 65924992 66955070 69866160 70633920 76520080 79847040 80346084 82406240 87451520 91824096 93154880 98887488 100432605 107128112 111785856 114780120 122432128 123609360 131177280 133910140 139732320 141267840 153040160 160692168 164812480 183648192 186309760 197774976 200865210 214256224 229560240 247218720 262354560 267820280 279464640 306080320 321384336 329624960 367296384 401730420 428512448 459120480 494437440 535640560 558929280 612160640 642768672 803460840 857024896 918240960 988874880 1071281120 1285537344 1606921680 1836481920 2142562240 2571074688 3213843360 4285124480 6427686720 12855373440
• Sum of all divisors σ(n): 53682289920
• Sum of proper divisors (its aliquot sum) s(n): 40826916480
• 12855373440 is an abundant number, because the sum of its proper divisors (40826916480) is greater than itself. Its abundance is 27971543040

Bases of 12855373440

• Binary: 1011111110001111010110111010000000₂
• Hexadecimal: 0x2FE3D6E80
• Base-36: 5WLR9MO

Squares and roots of 12855373440

• 12855373440 squared (12855373440²) is 165260626281857433600
• 12855373440 cubed (12855373440³) is 2124487065781556005768003584000
• The square root of 12855373440 is 113381.5392380965
• The cube root of 12855373440 is 2342.5825238865

Scales and comparisons

• 12,855,373,440 seconds is equal to 408 years, 39 weeks, 4 days, 1 hour, 4 minutes.
• To count from 1 to 12,855,373,440 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 12855373440 cubic inches would be around 195.2 feet tall.

Recreational maths with 12855373440

• 12855373440 backwards is 04437355821
• 12855373440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12855373440's digits is 42
• More coming soon!