21825908384640

Names of 21825908384640

• Cardinal: 21825908384640 can be written as Twenty-one trillion, eight hundred twenty-five billion, nine hundred eight million, three hundred eighty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.182590838464 × 10¹³

Factors of 21825908384640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1293

Divisors of 21825908384640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 197 240 320 384 394 480 499 587 591 640 788 960 985 998 1174 1182 1497 1576 1761 1920 1970 1996 2348 2364 2495 2935 2955 2994 3152 3522 3940 3992 4696 4728 4990 5870 5910 5988 6304 7044 7485 7880 7984 8805 9392 9456 9980 11740 11820 11976 12608 14088 14970 15760 15968 17610 18784 18912 19960 23480 23640 23952 25216 28176 29940 31520 31936 35220 37568 37824 38809 39920 46960 47280 47904 56352 59880 63040 63872 70440 75136 75648 77618 79840 93920 94560 95808 98303 112704 115639 116427 119760 126080 140880 155236 159680 187840 189120 191616 194045 196606 225408 231278 232854 239520 281760 292913 294909 310472 319360 346917 375680 378240 388090 393212 462556 465708 479040 491515 563520 578195 582135 585826 589818 620944 693834 776180 786424 878739 925112 931416 958080 983030 1127040 1156390 1164270 1171652 1179636 1241888 1387668 1464565 1474545 1552360 1572848 1734585 1757478 1850224 1862832 1966060 2312780 2328540 2343304 2359272 2483776 2775336 2929130 2949090 3104720 3145696 3469170 3514956 3700448 3725664 3932120 4393695 4625560 4657080 4686608 4718544 4967552 5550672 5858260 5898180 6209440 6291392 6938340 7029912 7400896 7451328 7864240 8787390 9251120 9314160 9373216 9437088 11101344 11716520 11796360 12418880 12582784 13876680 14059824 14801792 14902656 15728480 17574780 18502240 18628320 18746432 18874176 19365691 22202688 22780883 23433040 23592720 24837760 27753360 28119648 31456960 35149560 37004480 37256640 37492864 37748352 38731382 44405376 45561766 46866080 47185440 55506720 56239296 57703861 58097073 62913920 68342649 70299120 74008960 74513280 77462764 91123532 93732160 94370880 96828455 111013440 112478592 113904415 115407722 116194146 136685298 140598240 154925528 173111583 182247064 187464320 188741760 193656910 222026880 227808830 230815444 232388292 273370596 281196480 288519305 290485365 309851056 341713245 346223166 364494128 387313820 455617660 461630888 464776584 546741192 562392960 577038610 580970730 619702112 683426490 692446332 728988256 774627640 865557915 911235320 923261776 929553168 1093482384 1154077220 1161941460 1239404224 1366852980 1384892664 1457976512 1549255280 1731115830 1822470640 1846523552 1859106336 2186964768 2308154440 2323882920 2478808448 2733705960 2769785328 2915953024 3098510560 3462231660 3644941280 3693047104 3718212672 4373929536 4616308880 4647765840 5467411920 5539570656 6197021120 6924463320 7289882560 7386094208 7436425344 8747859072 9232617760 9295531680 10934823840 11079141312 11367660617 12394042240 13848926640 14579765120 18465235520 18591063360 21869647680 22158282624 22735321234 27697853280 34102981851 36930471040 37182126720 43739295360 45470642468 55395706560 56838303085 68205963702 90941284936 110791413120 113676606170 136411927404 170514909255 181882569872 227353212340 272823854808 341029818510 363765139744 454706424680 545647709616 682059637020 727530279488 909412849360 1091295419232 1364119274040 1455060558976 1818825698720 2182590838464 2728238548080 3637651397440 4365181676928 5456477096160 7275302794880 10912954192320 21825908384640
• Sum of all divisors σ(n): 70184514960000
• Sum of proper divisors (its aliquot sum) s(n): 48358606575360
• 21825908384640 is an abundant number, because the sum of its proper divisors (48358606575360) is greater than itself. Its abundance is 26532698190720

Bases of 21825908384640

• Binary: 100111101100110111101100001000010001110000000₂
• Hexadecimal: 0x13D9BD842380
• Base-36: 7QIOMBNUO

Squares and roots of 21825908384640

• 21825908384640 squared (21825908384640²) is 476370276814698654187929600
• 21825908384640 cubed (21825908384640³) is 10397214018923209148035256506922041344000
• The square root of 21825908384640 is 4671820.6712843763
• The cube root of 21825908384640 is 27946.2866450477

Scales and comparisons

• 21,825,908,384,640 seconds is equal to 693,996 years, 19 weeks, 3 days, 9 hours, 4 minutes.
• To count from 1 to 21,825,908,384,640 would take you about one million, seven hundred thirty-four thousand, nine hundred ninety 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 21825908384640 cubic inches would be around 2328.9 feet tall.

Recreational maths with 21825908384640

• 21825908384640 backwards is 04648380952812
• 21825908384640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21825908384640's digits is 60
• More coming soon!