12457981440

Names of 12457981440

• Cardinal: 12457981440 can be written as Twelve billion, four hundred fifty-seven million, nine hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.245798144 × 10¹⁰

Factors of 12457981440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 906

Divisors of 12457981440

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 73 80 81 90 96 108 120 128 135 144 146 160 162 180 192 216 219 240 256 270 288 292 320 324 360 365 384 405 432 438 480 512 540 576 584 640 648 657 720 730 768 810 823 864 876 960 1080 1095 1152 1168 1280 1296 1314 1440 1460 1536 1620 1646 1728 1752 1920 1971 2160 2190 2304 2336 2469 2560 2592 2628 2880 2920 3240 3285 3292 3456 3504 3840 3942 4115 4320 4380 4608 4672 4938 5184 5256 5760 5840 5913 6480 6570 6584 6912 7008 7407 7680 7884 8230 8640 8760 9344 9855 9876 10368 10512 11520 11680 11826 12345 12960 13140 13168 13824 14016 14814 15768 16460 17280 17520 18688 19710 19752 20736 21024 22221 23040 23360 23652 24690 25920 26280 26336 28032 29565 29628 31536 32920 34560 35040 37035 37376 39420 39504 41472 42048 44442 46720 47304 49380 51840 52560 52672 56064 59130 59256 60079 63072 65840 66663 69120 70080 74070 78840 79008 84096 88884 93440 94608 98760 103680 105120 105344 111105 112128 118260 118512 120158 126144 131680 133326 140160 148140 157680 158016 168192 177768 180237 186880 189216 197520 207360 210240 210688 222210 236520 237024 240316 252288 263360 266652 280320 296280 300395 315360 316032 333315 336384 355536 360474 378432 395040 420480 421376 444420 473040 474048 480632 504576 526720 533304 540711 560640 592560 600790 630720 632064 666630 711072 720948 756864 790080 840960 888840 901185 946080 948096 961264 1009152 1053440 1066608 1081422 1185120 1201580 1261440 1264128 1333260 1422144 1441896 1513728 1580160 1622133 1681920 1777680 1802370 1892160 1896192 1922528 2106880 2133216 2162844 2370240 2403160 2522880 2666520 2703555 2844288 2883792 3027456 3160320 3244266 3555360 3604740 3784320 3792384 3845056 4266432 4325688 4740480 4806320 4866399 5045760 5333040 5407110 5688576 5767584 6320640 6488532 7110720 7209480 7568640 7690112 8110665 8532864 8651376 9480960 9612640 9732798 10666080 10814220 11377152 11535168 12977064 14221440 14418960 15137280 15380224 16221330 17065728 17302752 18961920 19225280 19465596 21332160 21628440 23070336 24331995 25954128 28442880 28837920 30760448 32442660 34131456 34605504 38450560 38931192 42664320 43256880 46140672 48663990 51908256 56885760 57675840 64885320 69211008 76901120 77862384 85328640 86513760 92281344 97327980 103816512 115351680 129770640 138422016 153802240 155724768 170657280 173027520 194655960 207633024 230703360 259541280 276844032 311449536 346055040 389311920 415266048 461406720 519082560 622899072 692110080 778623840 830532096 1038165120 1245798144 1384220160 1557247680 2076330240 2491596288 3114495360 4152660480 6228990720 12457981440
• Sum of all divisors σ(n): 45286753248
• Sum of proper divisors (its aliquot sum) s(n): 32828771808
• 12457981440 is an abundant number, because the sum of its proper divisors (32828771808) is greater than itself. Its abundance is 20370790368

Bases of 12457981440

• Binary: 1011100110100011011011011000000000₂
• Hexadecimal: 0x2E68DB600
• Base-36: 5Q15S00

Squares and roots of 12457981440

• 12457981440 squared (12457981440²) is 155201301559384473600
• 12457981440 cubed (12457981440³) is 1933494934290654829932969984000
• The square root of 12457981440 is 111615.3279796283
• The cube root of 12457981440 is 2318.1910591893

Scales and comparisons

• 12,457,981,440 seconds is equal to 396 years, 6 weeks, 3 days, 14 hours, 24 minutes.
• To count from 1 to 12,457,981,440 would take you about seven hundred ninety-two 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 12457981440 cubic inches would be around 193.2 feet tall.

Recreational maths with 12457981440

• 12457981440 backwards is 04418975421
• 12457981440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12457981440's digits is 45
• More coming soon!