12643994880

Names of 12643994880

• Cardinal: 12643994880 can be written as Twelve billion, six hundred forty-three million, nine hundred ninety-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.264399488 × 10¹⁰

Factors of 12643994880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1017

Divisors of 12643994880

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 113 120 128 132 144 160 165 176 180 192 198 220 226 240 256 264 288 320 330 339 352 360 384 396 440 452 480 495 528 565 576 640 660 678 704 720 768 792 880 883 904 960 990 1017 1056 1130 1152 1243 1280 1320 1356 1408 1440 1584 1695 1760 1766 1808 1920 1980 2034 2112 2260 2304 2486 2640 2649 2712 2816 2880 3168 3390 3520 3532 3616 3729 3840 3960 4068 4224 4415 4520 4972 5085 5280 5298 5424 5760 6215 6336 6780 7040 7064 7232 7458 7920 7947 8136 8448 8830 9040 9713 9944 10170 10560 10596 10848 11187 11520 12430 12672 13245 13560 14080 14128 14464 14916 15840 15894 16272 17660 18080 18645 19426 19888 20340 21120 21192 21696 22374 24860 25344 26490 27120 28256 28928 29139 29832 31680 31788 32544 35320 36160 37290 38852 39735 39776 40680 42240 42384 43392 44748 48565 49720 52980 54240 55935 56512 58278 59664 63360 63576 65088 70640 72320 74580 77704 79470 79552 81360 84768 86784 87417 89496 97130 99440 99779 105960 108480 111870 113024 116556 119328 126720 127152 130176 141280 144640 145695 149160 155408 158940 159104 162720 169536 174834 178992 194260 198880 199558 211920 216960 223740 226048 233112 238656 254304 260352 282560 291390 298320 299337 310816 317880 318208 325440 339072 349668 357984 388520 397760 399116 423840 433920 437085 447480 466224 477312 498895 508608 565120 582780 596640 598674 621632 635760 650880 678144 699336 715968 777040 795520 798232 847680 874170 894960 898011 932448 954624 997790 1017216 1097569 1130240 1165560 1193280 1197348 1243264 1271520 1301760 1398672 1431936 1496685 1554080 1591040 1596464 1695360 1748340 1789920 1796022 1864896 1995580 2034432 2195138 2331120 2386560 2394696 2486528 2543040 2797344 2863872 2993370 3108160 3192928 3292707 3390720 3496680 3579840 3592044 3729792 3991160 4390276 4490055 4662240 4773120 4789392 5086080 5487845 5594688 5986740 6216320 6385856 6585414 6993360 7159680 7184088 7459584 7982320 8780552 8980110 9324480 9578784 9878121 10172160 10975690 11189376 11973480 12432640 12771712 13170828 13986720 14319360 14368176 15964640 16463535 17561104 17960220 18648960 19157568 19756242 21951380 22378752 23946960 25543424 26341656 27973440 28736352 31929280 32927070 35122208 35920440 37297920 38315136 39512484 43902760 47893920 49390605 52683312 55946880 57472704 63858560 65854140 70244416 71840880 76630272 79024968 87805520 95787840 98781210 105366624 111893760 114945408 127717120 131708280 140488832 143681760 158049936 175611040 191575680 197562420 210733248 229890816 263416560 280977664 287363520 316099872 351222080 383151360 395124840 421466496 526833120 574727040 632199744 702444160 790249680 842932992 1053666240 1149454080 1264399488 1404888320 1580499360 2107332480 2528798976 3160998720 4214664960 6321997440 12643994880
• Sum of all divisors σ(n): 48200757696
• Sum of proper divisors (its aliquot sum) s(n): 35556762816
• 12643994880 is an abundant number, because the sum of its proper divisors (35556762816) is greater than itself. Its abundance is 22912767936

Bases of 12643994880

• Binary: 1011110001101001000000110100000000₂
• Hexadecimal: 0x2F1A40D00
• Base-36: 5T3WOW0

Squares and roots of 12643994880

• 12643994880 squared (12643994880²) is 159870606525466214400
• 12643994880 cubed (12643994880³) is 2021403130370489404486582272000
• The square root of 12643994880 is 112445.5196083865
• The cube root of 12643994880 is 2329.6719487551

Scales and comparisons

• 12,643,994,880 seconds is equal to 402 years, 2 weeks, 12 hours, 48 minutes.
• To count from 1 to 12,643,994,880 would take you about eight hundred four 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 12643994880 cubic inches would be around 194.1 feet tall.

Recreational maths with 12643994880

• 12643994880 backwards is 08849934621
• The number of decimal digits it has is: 11
• The sum of 12643994880's digits is 54
• More coming soon!