21331912800

Names of 21331912800

• Cardinal: 21331912800 can be written as Twenty-one billion, three hundred thirty-one million, nine hundred twelve thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13319128 × 10¹⁰

Factors of 21331912800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 216

Divisors of 21331912800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 17 20 22 24 25 29 30 32 33 34 40 44 48 50 51 55 58 60 66 68 75 80 85 87 88 96 100 102 110 116 120 121 132 136 145 149 150 160 165 170 174 176 187 200 204 220 232 240 242 255 264 272 275 290 298 300 319 330 340 348 352 363 374 400 408 425 435 440 447 464 480 484 493 510 528 544 550 561 580 596 600 605 638 660 680 696 725 726 745 748 800 816 825 850 870 880 894 928 935 957 968 986 1020 1056 1100 1122 1160 1192 1200 1210 1275 1276 1320 1360 1392 1450 1452 1479 1490 1496 1595 1632 1639 1650 1700 1740 1760 1788 1815 1870 1914 1936 1972 2040 2057 2175 2200 2235 2244 2320 2384 2400 2420 2465 2533 2550 2552 2640 2720 2784 2805 2900 2904 2958 2980 2992 3025 3190 3278 3300 3400 3480 3509 3576 3630 3725 3740 3828 3872 3944 4080 4114 4321 4350 4400 4470 4488 4640 4675 4768 4785 4840 4917 4930 5066 5100 5104 5280 5423 5610 5800 5808 5916 5960 5984 6050 6171 6380 6556 6600 6800 6960 7018 7152 7260 7395 7450 7480 7599 7656 7888 7975 8160 8195 8228 8642 8700 8800 8940 8976 9075 9350 9570 9680 9834 9860 10132 10200 10208 10285 10527 10846 11175 11220 11600 11616 11832 11920 12100 12325 12342 12665 12760 12963 13112 13200 13600 13920 14025 14036 14304 14520 14790 14900 14960 15198 15312 15776 15950 16269 16390 16456 17284 17400 17545 17880 17952 18029 18150 18700 19140 19360 19668 19720 20264 20400 20570 21054 21605 21692 22350 22440 23200 23664 23840 23925 24200 24585 24650 24684 25330 25520 25926 26224 26400 27115 27863 28050 28072 29040 29580 29800 29920 30396 30624 30855 31900 32538 32780 32912 34568 34800 35090 35760 36058 36300 36975 37400 37995 38280 39336 39440 40528 40800 40975 41140 42108 43210 43384 44700 44880 47328 47531 47850 48400 49170 49300 49368 50660 51040 51425 51852 52448 52635 54087 54230 55726 56100 56144 58080 59160 59600 59653 60792 61710 63325 63800 64815 65076 65560 65824 69136 69600 70180 71520 72116 72600 73457 73950 74800 75990 76560 78672 78880 81056 81345 81950 82280 83589 84216 86420 86768 87725 89400 89760 90145 95062 95700 96800 98340 98600 98736 101320 102850 103704 105270 108025 108174 108460 111452 112200 112288 118320 119200 119306 121584 122925 123420 126650 127600 129630 130152 131120 135575 138272 139315 140360 142593 144232 145200 146914 147900 149600 151980 153120 154275 157344 162690 163900 164560 167178 168432 172840 173536 175450 178800 178959 180290 189975 190124 191400 196680 197200 197472 202640 205700 207408 210540 216050 216348 216920 220371 222904 224400 236640 237655 238612 243168 245850 246840 253300 255200 259260 260304 262240 263175 270435 271150 278630 280720 285186 288464 290400 293828 295800 298265 303960 306493 308550 324075 325380 327800 329120 334356 336864 345680 350900 357600 357918 360580 367285 379950 380248 382800 393360 394400 405280 406725 411400 414816 417945 421080 432100 432696 433840 440742 445808 448800 450725 475310 477224 491700 493680 506600 518520 520608 522841 526350 540870 542300 557260 561440 570372 576928 587656 591600 596530 607920 612986 617100 648150 650760 655600 668712 691360 696575 701800 712965 715836 721160 734570 759900 760496 765600 786720 808027 813450 822800 835890 842160 864200 865392 867680 881484 891616 894795 901450 919479 950620 954448 983400 987360 1013200 1037040 1045682 1052700 1081740 1084600 1101855 1114520 1140744 1175312 1183200 1188275 1193060 1215840 1225972 1234200 1296300 1301520 1311200 1337424 1352175 1393150 1403600 1425930 1431672 1442320 1469140 1491325 1519800 1520992 1532465 1568523 1616054 1626900 1645600 1671780 1684320 1728400 1730784 1762968 1789590 1802900 1836425 1838958 1901240 1908896 1966800 2026400 2074080 2089725 2091364 2105400 2163480 2169200 2203710 2229040 2281488 2350624 2376550 2386120 2424081 2451944 2468400 2592600 2603040 2614205 2674848 2704350 2786300 2807200 2851860 2863344 2884640 2938280 2982650 3039600 3064930 3137046 3232108 3253800 3343560 3456800 3525936 3564825 3579180 3605800 3672850 3677916 3802480 3933600 4040135 4179450 4182728 4210800 4326960 4338400 4407420 4458080 4473975 4562976 4597395 4753100 4772240 4848162 4903888 4936800 5185200 5228410 5408700 5509275 5572600 5703720 5726688 5876560 5965300 6079200 6129860 6274092 6464216 6507600 6687120 7051872 7129650 7158360 7211600 7345700 7355832 7604960 7662325 7842615 8080270 8358900 8365456 8421600 8653920 8814840 8888297 8947950 9194790 9506200 9544480 9696324 9807776 10370400 10456820 10817400 11018550 11145200 11407440 11753120 11930600 12120405 12259720 12548184 12928432 13015200 13071025 13374240 14259300 14316720 14423200 14691400 14711664 15324650 15685230 16160540 16717800 16730912 17629680 17776594 17895900 18389580 19012400 19392648 20200675 20913640 21634800 22037100 22290400 22814880 22986975 23861200 24240810 24519440 25096368 25856864 26142050 26664891 28518600 28633440 29382800 29423328 30649300 31370460 32321080 33435600 35259360 35553188 35791800 36779160 38024800 38785296 39213075 40401350 41827280 43269600 44074200 44441485 45973950 47722400 48481620 49038880 50192736 52284100 53329782 57037200 58765600 60602025 61298600 62740920 64642160 66871200 71106376 71583600 73558320 77570592 78426150 80802700 83654560 88148400 88882970 91947900 96963240 104568200 106659564 114074400 121204050 122597200 125481840 129284320 133324455 142212752 143167200 147116640 156852300 161605400 176296800 177765940 183895800 193926480 209136400 213319128 222207425 242408100 245194400 250963680 266648910 284425504 313704600 323210800 355531880 367791600 387852960 418272800 426638256 444414850 484816200 533297820 627409200 646421600 666622275 711063760 735583200 853276512 888829700 969632400 1066595640 1254818400 1333244550 1422127520 1777659400 1939264800 2133191280 2666489100 3555318800 4266382560 5332978200 7110637600 10665956400 21331912800
• Sum of all divisors σ(n): 84158676000
• Sum of proper divisors (its aliquot sum) s(n): 62826763200
• 21331912800 is an abundant number, because the sum of its proper divisors (62826763200) is greater than itself. Its abundance is 41494850400

Bases of 21331912800

• Binary: 10011110111011110110010100001100000₂
• Hexadecimal: 0x4F77B2860
• Base-36: 9SSGX9C

Squares and roots of 21331912800

• 21331912800 squared (21331912800²) is 455050503706803840000
• 21331912800 cubed (21331912800³) is 9707097664669616281585152000000
• The square root of 21331912800 is 146054.4857236505
• The cube root of 21331912800 is 2773.3835371109

Scales and comparisons

• 21,331,912,800 seconds is equal to 678 years, 15 weeks, 3 hours, 20 minutes.
• To count from 1 to 21,331,912,800 would take you about one thousand, three hundred fifty-six 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 21331912800 cubic inches would be around 231.1 feet tall.

Recreational maths with 21331912800

• 21331912800 backwards is 00821913312
• 21331912800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21331912800's digits is 30
• More coming soon!