21126251520

Names of 21126251520

• Cardinal: 21126251520 can be written as Twenty-one billion, one hundred twenty-six million, two hundred fifty-one thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.112625152 × 10¹⁰

Factors of 21126251520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 442

Divisors of 21126251520

• Number of divisors d(n): 660
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 81 88 90 96 99 108 110 120 121 128 132 135 144 160 162 165 176 180 192 198 216 220 240 242 256 264 270 288 297 320 324 330 352 360 363 384 396 405 421 432 440 480 484 495 512 528 540 576 594 605 640 648 660 704 720 726 768 792 810 842 864 880 891 960 968 990 1024 1056 1080 1089 1152 1188 1210 1263 1280 1296 1320 1408 1440 1452 1485 1536 1584 1620 1684 1728 1760 1782 1815 1920 1936 1980 2105 2112 2160 2178 2304 2376 2420 2526 2560 2592 2640 2816 2880 2904 2970 3072 3168 3240 3267 3368 3456 3520 3564 3630 3789 3840 3872 3960 4210 4224 4320 4356 4455 4608 4631 4752 4840 5052 5120 5184 5280 5445 5632 5760 5808 5940 6315 6336 6480 6534 6736 6912 7040 7128 7260 7578 7680 7744 7920 8420 8448 8640 8712 8910 9216 9262 9504 9680 9801 10104 10368 10560 10890 11264 11367 11520 11616 11880 12630 12672 12960 13068 13472 13824 13893 14080 14256 14520 15156 15360 15488 15840 16335 16840 16896 17280 17424 17820 18524 18945 19008 19360 19602 20208 20736 21120 21780 22734 23040 23155 23232 23760 25260 25344 25920 26136 26944 27648 27786 28160 28512 29040 30312 30976 31680 32670 33680 33792 34101 34560 34848 35640 37048 37890 38016 38720 39204 40416 41472 41679 42240 43560 45468 46080 46310 46464 47520 49005 50520 50688 50941 51840 52272 53888 55572 56320 56835 57024 58080 60624 61952 63360 65340 67360 68202 69120 69465 69696 71280 74096 75780 76032 77440 78408 80832 82944 83358 84480 87120 90936 92620 92928 95040 98010 101040 101376 101882 103680 104544 107776 111144 113670 114048 116160 121248 123904 125037 126720 130680 134720 136404 138240 138930 139392 142560 148192 151560 152064 152823 154880 156816 161664 166716 168960 170505 174240 181872 185240 185856 190080 196020 202080 203764 207360 208395 209088 215552 222288 227340 228096 232320 242496 250074 253440 254705 261360 269440 272808 277860 278784 285120 296384 303120 304128 305646 309760 313632 323328 333432 341010 348480 363744 370480 371712 375111 380160 392040 404160 407528 414720 416790 418176 431104 444576 454680 456192 458469 464640 484992 500148 506880 509410 522720 538880 545616 555720 557568 570240 592768 606240 611292 619520 625185 627264 646656 666864 682020 696960 727488 740960 750222 760320 764115 784080 808320 815056 833580 836352 889152 909360 912384 916938 929280 969984 1000296 1018820 1045440 1077760 1091232 1111440 1115136 1140480 1185536 1212480 1222584 1250370 1254528 1293312 1333728 1364040 1375407 1393920 1454976 1481920 1500444 1520640 1528230 1568160 1616640 1630112 1667160 1672704 1778304 1818720 1833876 1858560 1875555 1939968 2000592 2037640 2090880 2155520 2182464 2222880 2280960 2292345 2371072 2424960 2445168 2500740 2509056 2667456 2728080 2750814 2787840 2909952 2963840 3000888 3056460 3136320 3233280 3260224 3334320 3345408 3556608 3637440 3667752 3751110 3879936 4001184 4075280 4126221 4181760 4364928 4445760 4561920 4584690 4742144 4849920 4890336 5001480 5018112 5334912 5456160 5501628 5575680 5819904 5927680 6001776 6112920 6272640 6466560 6520448 6668640 6877035 7113216 7274880 7335504 7502220 8002368 8150560 8252442 8363520 8729856 8891520 9169380 9699840 9780672 10002960 10036224 10669824 10912320 11003256 11639808 11855360 12003552 12225840 12545280 13040896 13337280 13754070 14226432 14549760 14671008 15004440 16004736 16301120 16504884 16727040 17459712 17783040 18338760 19399680 19561344 20005920 20631105 21339648 21824640 22006512 23710720 24007104 24451680 25090560 26081792 26674560 27508140 29099520 29342016 30008880 32009472 32602240 33009768 34919424 35566080 36677520 39122688 40011840 41262210 42679296 43649280 44013024 48014208 48903360 50181120 52163584 53349120 55016280 58199040 58684032 60017760 64018944 65204480 66019536 71132160 73355040 78245376 80023680 82524420 87298560 88026048 96028416 97806720 106698240 110032560 117368064 120035520 128037888 130408960 132039072 146710080 156490752 160047360 165048840 174597120 176052096 192056832 195613440 213396480 220065120 234736128 240071040 260817920 264078144 293420160 320094720 330097680 352104192 384113664 391226880 440130240 469472256 480142080 528156288 586840320 640189440 660195360 704208384 782453760 880260480 960284160 1056312576 1173680640 1320390720 1408416768 1760520960 1920568320 2112625152 2347361280 2640781440 3521041920 4225250304 5281562880 7042083840 10563125760 21126251520
• Sum of all divisors σ(n): 83410083372
• Sum of proper divisors (its aliquot sum) s(n): 62283831852
• 21126251520 is an abundant number, because the sum of its proper divisors (62283831852) is greater than itself. Its abundance is 41157580332

Bases of 21126251520

• Binary: 10011101011001110010000010000000000₂
• Hexadecimal: 0x4EB390400
• Base-36: 9PE0W00

Squares and roots of 21126251520

• 21126251520 squared (21126251520²) is 446318503286302310400
• 21126251520 cubed (21126251520³) is 9429036958456369180267511808000
• The square root of 21126251520 is 145348.7238334069
• The cube root of 21126251520 is 2764.4419964695

Scales and comparisons

• 21,126,251,520 seconds is equal to 671 years, 38 weeks, 6 days, 19 hours, 12 minutes.
• To count from 1 to 21,126,251,520 would take you about one thousand, three hundred forty-three 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 21126251520 cubic inches would be around 230.4 feet tall.

Recreational maths with 21126251520

• 21126251520 backwards is 02515262112
• 21126251520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21126251520's digits is 27
• More coming soon!