12981534720

Names of 12981534720

• Cardinal: 12981534720 can be written as Twelve billion, nine hundred eighty-one million, five hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.298153472 × 10¹⁰

Factors of 12981534720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 28

Divisors of 12981534720

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 32 33 35 40 42 44 48 49 55 56 60 64 66 70 77 80 84 88 96 98 105 110 112 120 128 132 140 147 154 160 165 168 176 192 196 210 220 224 231 240 245 256 264 280 294 308 320 330 336 343 352 384 385 392 420 440 448 462 480 490 512 528 539 560 588 616 640 660 672 686 704 735 768 770 784 840 880 896 924 960 980 1024 1029 1056 1078 1120 1155 1176 1232 1280 1320 1344 1372 1408 1470 1536 1540 1568 1617 1680 1715 1760 1792 1848 1920 1960 2048 2058 2112 2156 2240 2310 2352 2401 2464 2560 2640 2688 2695 2744 2816 2940 3072 3080 3136 3234 3360 3430 3520 3584 3696 3773 3840 3920 4096 4116 4224 4312 4480 4620 4704 4802 4928 5120 5145 5280 5376 5390 5488 5632 5880 6144 6160 6272 6468 6720 6860 7040 7168 7203 7392 7546 7680 7840 8085 8192 8232 8448 8624 8960 9240 9408 9604 9856 10240 10290 10560 10752 10780 10976 11264 11319 11760 12005 12288 12320 12544 12936 13440 13720 14080 14336 14406 14784 15092 15360 15680 16170 16384 16464 16896 17248 17920 18480 18816 18865 19208 19712 20480 20580 21120 21504 21560 21952 22528 22638 23520 24010 24576 24640 25088 25872 26411 26880 27440 28160 28672 28812 29568 30184 30720 31360 32340 32768 32928 33792 34496 35840 36015 36960 37632 37730 38416 39424 40960 41160 42240 43008 43120 43904 45056 45276 47040 48020 49152 49280 50176 51744 52822 53760 54880 56320 56595 57344 57624 59136 60368 61440 62720 64680 65856 67584 68992 71680 72030 73920 75264 75460 76832 78848 79233 81920 82320 84480 86016 86240 87808 90112 90552 94080 96040 98304 98560 100352 103488 105644 107520 109760 112640 113190 114688 115248 118272 120736 122880 125440 129360 131712 132055 135168 137984 143360 144060 147840 150528 150920 153664 157696 158466 163840 164640 168960 172032 172480 175616 180224 181104 188160 192080 197120 200704 206976 211288 215040 219520 225280 226380 229376 230496 236544 241472 245760 250880 258720 263424 264110 270336 275968 286720 288120 295680 301056 301840 307328 315392 316932 329280 337920 344064 344960 351232 360448 362208 376320 384160 394240 396165 401408 413952 422576 430080 439040 450560 452760 460992 473088 482944 491520 501760 517440 526848 528220 540672 551936 573440 576240 591360 602112 603680 614656 630784 633864 658560 675840 688128 689920 702464 724416 752640 768320 788480 792330 802816 827904 845152 860160 878080 901120 905520 921984 946176 965888 1003520 1034880 1053696 1056440 1081344 1103872 1146880 1152480 1182720 1204224 1207360 1229312 1261568 1267728 1317120 1351680 1379840 1404928 1448832 1505280 1536640 1576960 1584660 1605632 1655808 1690304 1720320 1756160 1802240 1811040 1843968 1892352 1931776 2007040 2069760 2107392 2112880 2207744 2304960 2365440 2408448 2414720 2458624 2523136 2535456 2634240 2703360 2759680 2809856 2897664 3010560 3073280 3153920 3169320 3311616 3380608 3440640 3512320 3622080 3687936 3784704 3863552 4014080 4139520 4214784 4225760 4415488 4609920 4730880 4816896 4829440 4917248 5070912 5268480 5406720 5519360 5619712 5795328 6021120 6146560 6307840 6338640 6623232 6761216 7024640 7244160 7375872 7569408 7727104 8028160 8279040 8429568 8451520 8830976 9219840 9461760 9658880 9834496 10141824 10536960 11038720 11239424 11590656 12042240 12293120 12615680 12677280 13246464 13522432 14049280 14488320 14751744 15454208 16558080 16859136 16903040 17661952 18439680 18923520 19317760 19668992 20283648 21073920 22077440 23181312 24084480 24586240 25354560 26492928 27044864 28098560 28976640 29503488 30908416 33116160 33718272 33806080 36879360 37847040 38635520 39337984 40567296 42147840 44154880 46362624 49172480 50709120 52985856 54089728 56197120 57953280 59006976 61816832 66232320 67612160 73758720 77271040 78675968 81134592 84295680 88309760 92725248 98344960 101418240 108179456 115906560 118013952 123633664 132464640 135224320 147517440 154542080 162269184 168591360 185450496 196689920 202836480 216358912 231813120 236027904 264929280 270448640 295034880 309084160 324538368 370900992 393379840 405672960 432717824 463626240 540897280 590069760 618168320 649076736 811345920 865435648 927252480 1081794560 1180139520 1298153472 1622691840 1854504960 2163589120 2596306944 3245383680 4327178240 6490767360 12981534720
• Sum of all divisors σ(n): 52866298080
• Sum of proper divisors (its aliquot sum) s(n): 39884763360
• 12981534720 is an abundant number, because the sum of its proper divisors (39884763360) is greater than itself. Its abundance is 26903228640

Bases of 12981534720

• Binary: 1100000101110000101000000000000000₂
• Hexadecimal: 0x305C28000
• Base-36: 5YOVCAO

Squares and roots of 12981534720

• 12981534720 squared (12981534720²) is 168520243686565478400
• 12981534720 cubed (12981534720³) is 2187651394440010555403010048000
• The square root of 12981534720 is 113936.5381253969
• The cube root of 12981534720 is 2350.2208767795

Scales and comparisons

• 12,981,534,720 seconds is equal to 412 years, 40 weeks, 1 day, 5 hours, 52 minutes.
• To count from 1 to 12,981,534,720 would take you about eight hundred twenty-five 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 12981534720 cubic inches would be around 195.9 feet tall.

Recreational maths with 12981534720

• 12981534720 backwards is 02743518921
• 12981534720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12981534720's digits is 42
• More coming soon!