21721129248
21,721,129,248 is an even composite number composed of six prime numbers multiplied together.
21721129248 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21721129248:
25 × 3 × 72 × 132 × 89 × 307
(2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 13 × 13 × 89 × 307)See below for interesting mathematical facts about the number 21721129248 from the Numbermatics database.
Names of 21721129248
- Cardinal: 21721129248 can be written as Twenty-one billion, seven hundred twenty-one million, one hundred twenty-nine thousand, two hundred forty-eight.
Scientific notation
- Scientific notation: 2.1721129248 × 1010
Factors of 21721129248
Divisors of 21721129248
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 78 84 89 91 96 98 104 112 147 156 168 169 178 182 196 208 224 267 273 294 307 312 336 338 356 364 392 416 507 534 546 588 614 623 624 637 672 676 712 728 784 921 1014 1068 1092 1157 1176 1183 1228 1246 1248 1274 1352 1424 1456 1568 1842 1869 1911 2028 2136 2149 2184 2314 2352 2366 2456 2492 2548 2704 2848 2912 3471 3549 3684 3738 3822 3991 4056 4272 4298 4361 4368 4628 4704 4732 4912 4984 5096 5408 6447 6942 7098 7368 7476 7644 7982 8099 8112 8281 8544 8596 8722 8736 9256 9464 9824 9968 10192 11973 12894 13083 13884 14196 14736 14952 15041 15043 15288 15964 16198 16224 16562 17192 17444 18512 18928 19936 20384 23946 24297 24843 25788 26166 27323 27768 27937 28392 29472 29904 30082 30086 30576 31928 32396 33124 34384 34888 37024 37856 45123 45129 47892 48594 49686 51576 51883 52332 54646 55536 55874 56693 56784 59808 60164 60172 61152 63856 64792 66248 68768 69776 81969 83811 90246 90258 95784 97188 99372 103152 103766 104664 105287 109292 111072 111748 113386 113568 120328 120344 127712 129584 132496 139552 155649 163938 167622 170079 180492 180516 191261 191568 194376 195559 198744 206304 207532 209328 210574 218584 223496 226772 240656 240688 259168 264992 311298 315861 327876 335244 340158 355199 360984 361032 363181 382522 383136 388752 391118 397488 415064 418656 421148 437168 446992 453544 481312 481376 573783 586677 622596 631722 655752 670488 680316 710398 721968 722064 726362 737009 765044 777504 782236 794976 830128 842296 874336 893984 907088 1065597 1089543 1147566 1173354 1245192 1263444 1311504 1338827 1340976 1360632 1420796 1443936 1444128 1452724 1474018 1530088 1564472 1660256 1684592 1814176 2131194 2179086 2211027 2295132 2346708 2486393 2490384 2526888 2542267 2623008 2677654 2681952 2721264 2841592 2905448 2948036 3060176 3128944 3369184 4016481 4262388 4358172 4422054 4590264 4617587 4693416 4972786 4980768 5053776 5084534 5355308 5442528 5683184 5810896 5896072 6120352 6257888 7459179 7626801 8032962 8524776 8716344 8844108 9180528 9235174 9386832 9945572 10107552 10169068 10710616 11366368 11621792 11792144 13852761 14918358 15253602 16065924 17049552 17404751 17432688 17688216 18361056 18470348 18773664 19891144 20338136 21421232 23584288 27705522 29836716 30507204 32131848 32323109 34099104 34809502 34865376 35376432 36940696 39782288 40676272 42842464 52214253 55411044 59673432 61014408 64263696 64646218 69619004 70752864 73881392 79564576 81352544 96969327 104428506 110822088 119346864 122028816 128527392 129292436 139238008 147762784 193938654 208857012 221644176 226261763 238693728 244057632 258584872 278476016 387877308 417714024 443288352 452523526 517169744 556952032 678785289 775754616 835428048 905047052 1034339488 1357570578 1551509232 1670856096 1810094104 2715141156 3103018464 3620188208 5430282312 7240376416 10860564624 21721129248
- Sum of all divisors σ(n): 72865124640
- Sum of proper divisors (its aliquot sum) s(n): 51143995392
- 21721129248 is an abundant number, because the sum of its proper divisors (51143995392) is greater than itself. Its abundance is 29422866144
Bases of 21721129248
- Binary: 101000011101010111000100001001000002
- Hexadecimal: 0x50EAE2120
- Base-36: 9Z876LC
Squares and roots of 21721129248
- 21721129248 squared (217211292482) is 471807455808321045504
- 21721129248 cubed (217211292483) is 10248190727782589743270873300992
-
The
square root of 21721129248 is 147380.8985180915 -
The
cube root of 21721129248 is 2790.1494525611
Scales and comparisons
How big is 21721129248?- 21,721,129,248 seconds is equal to 690 years, 34 weeks, 3 days, 23 hours, 48 seconds.
-
To count from 1 to 21,721,129,248 would take you about one thousand, three hundred eighty-one 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 21721129248 cubic inches would be around 232.5 feet tall.
Recreational maths with 21721129248
- 21721129248 backwards is 84292112712
- 21721129248 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21721129248's digits is 39
- More coming soon!
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The information we have on file for 21721129248 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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