21008316735
21,008,316,735 is an odd composite number composed of seven prime numbers multiplied together.
21008316735 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21008316735:
34 × 5 × 7 × 29 × 59 × 61 × 71
(3 × 3 × 3 × 3 × 5 × 7 × 29 × 59 × 61 × 71)See below for interesting mathematical facts about the number 21008316735 from the Numbermatics database.
Names of 21008316735
- Cardinal: 21008316735 can be written as Twenty-one billion, eight million, three hundred sixteen thousand, seven hundred thirty-five.
Scientific notation
- Scientific notation: 2.1008316735 × 1010
Factors of 21008316735
Divisors of 21008316735
- Number of divisors d(n): 320
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Complete list of divisors:
1 3 5 7 9 15 21 27 29 35 45 59 61 63 71 81 87 105 135 145 177 183 189 203 213 261 295 305 315 355 405 413 427 435 497 531 549 567 609 639 783 885 915 945 1015 1065 1239 1281 1305 1491 1593 1647 1711 1769 1827 1917 2059 2065 2135 2349 2485 2655 2745 2835 3045 3195 3599 3717 3843 3915 4189 4331 4473 4779 4941 5133 5307 5481 5751 6177 6195 6405 7455 7965 8235 8555 8845 9135 9585 10295 10797 11151 11529 11745 11977 12383 12567 12993 13419 14413 15399 15921 16443 17995 18531 18585 19215 20945 21655 22365 23895 24705 25193 25665 26535 27405 28755 29323 30317 30885 32391 33453 34587 35931 37149 37701 38979 40257 43239 46197 47763 53985 55593 55755 57645 59885 61915 62835 64965 67095 72065 75579 76995 79605 82215 87969 90951 92655 97173 104371 107793 111447 113103 116937 121481 125599 125965 129717 138591 143289 146615 151585 161955 166779 167265 172935 179655 185745 188505 194895 201285 216195 226737 230985 238815 255529 263907 272853 277965 291519 313113 323379 334341 339309 350811 364443 376797 377895 389151 439845 454755 485865 521855 538965 557235 565515 584685 607405 627995 648585 680211 692955 716445 730597 766587 791721 818559 833895 850367 879193 939339 970137 1003023 1093329 1130391 1133685 1167453 1277645 1319535 1364265 1457595 1565565 1616895 1671705 1696545 1754055 1788703 1822215 1883985 1945755 2040633 2191791 2299761 2375163 2455677 2551101 2637579 2818017 3279987 3391173 3401055 3652985 3832935 3958605 4092795 4251835 4395965 4696695 4850685 5015115 5366109 5466645 5651955 5837265 6575373 6899283 7410341 7653303 7912737 8454051 8943515 9839961 10173519 10203165 10958955 11498805 11875815 12278385 12755505 13187895 14090085 16098327 16399935 16955865 19726119 20697849 22231023 22959909 23738211 26830545 32876865 34496415 37051705 38266515 39563685 42270255 48294981 49199805 50867595 51872387 59178357 66693069 68879727 71214633 80491635 98630595 103489245 111155115 114799545 118691055 144884943 155617161 200079207 241474905 259361935 295891785 333465345 344398635 356073165 466851483 600237621 724424715 778085805 1000396035 1400554449 2334257415 3001188105 4201663347 7002772245 21008316735
- Sum of all divisors σ(n): 46668441600
- Sum of proper divisors (its aliquot sum) s(n): 25660124865
- 21008316735 is an abundant number, because the sum of its proper divisors (25660124865) is greater than itself. Its abundance is 4651808130
Bases of 21008316735
- Binary: 100111001000011000101111001001111112
- Hexadecimal: 0x4E431793F
- Base-36: 9NFT4XR
Squares and roots of 21008316735
- 21008316735 squared (210083167352) is 441349372038081060225
- 21008316735 cubed (210083167353) is 9272007398569359394811410365375
-
The
square root of 21008316735 is 144942.4600833035 -
The
cube root of 21008316735 is 2759.2883384905
Scales and comparisons
How big is 21008316735?- 21,008,316,735 seconds is equal to 667 years, 51 weeks, 6 days, 19 hours, 32 minutes, 15 seconds.
-
To count from 1 to 21,008,316,735 would take you about one thousand, three hundred thirty-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 21008316735 cubic inches would be around 229.9 feet tall.
Recreational maths with 21008316735
- 21008316735 backwards is 53761380012
- The number of decimal digits it has is: 11
- The sum of 21008316735's digits is 36
- More coming soon!
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