21071057904
21,071,057,904 is an even composite number composed of four prime numbers multiplied together.
21071057904 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21071057904:
24 × 33 × 133 × 1492
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 13 × 13 × 13 × 149 × 149)See below for interesting mathematical facts about the number 21071057904 from the Numbermatics database.
Names of 21071057904
- Cardinal: 21071057904 can be written as Twenty-one billion, seventy-one million, fifty-seven thousand, nine hundred four.
Scientific notation
- Scientific notation: 2.1071057904 × 1010
Factors of 21071057904
Divisors of 21071057904
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 149 156 169 208 216 234 298 312 338 351 432 447 468 507 596 624 676 702 894 936 1014 1192 1341 1352 1404 1521 1788 1872 1937 2028 2197 2384 2682 2704 2808 3042 3576 3874 4023 4056 4394 4563 5364 5616 5811 6084 6591 7152 7748 8046 8112 8788 9126 10728 11622 12168 13182 15496 16092 17433 17576 18252 19773 21456 22201 23244 24336 25181 26364 30992 32184 34866 35152 36504 39546 44402 46488 50362 52299 52728 59319 64368 66603 69732 73008 75543 79092 88804 92976 100724 104598 105456 118638 133206 139464 151086 158184 177608 199809 201448 209196 226629 237276 266412 278928 288613 302172 316368 327353 355216 399618 402896 418392 453258 474552 532824 577226 599427 604344 654706 679887 799236 836784 865839 906516 949104 982059 1065648 1154452 1198854 1208688 1309412 1359774 1598472 1731678 1813032 1964118 2308904 2397708 2597517 2618824 2719548 2946177 3196944 3463356 3626064 3751969 3928236 4617808 4795416 5195034 5237648 5439096 5892354 6926712 7503938 7792551 7856472 8838531 9590832 10390068 10878192 11255907 11784708 13853424 15007876 15585102 15712944 17677062 20780136 22511814 23569416 30015752 31170204 33767721 35354124 41560272 45023628 47138832 48775597 60031504 62340408 67535442 70708248 90047256 97551194 101303163 124680816 135070884 141416496 146326791 180094512 195102388 202606326 270141768 292653582 390204776 405212652 438980373 540283536 585307164 780409552 810425304 877960746 1170614328 1316941119 1620850608 1755921492 2341228656 2633882238 3511842984 5267764476 7023685968 10535528952 21071057904
- Sum of all divisors σ(n): 65962271200
- Sum of proper divisors (its aliquot sum) s(n): 44891213296
- 21071057904 is an abundant number, because the sum of its proper divisors (44891213296) is greater than itself. Its abundance is 23820155392
Bases of 21071057904
- Binary: 100111001111110111011010011111100002
- Hexadecimal: 0x4E7EED3F0
- Base-36: 9OH5WC0
Squares and roots of 21071057904
- 21071057904 squared (210710579042) is 443989481193720873216
- 21071057904 cubed (210710579043) is 9355328066999811560747778699264
-
The
square root of 21071057904 is 145158.7334747723 -
The
cube root of 21071057904 is 2762.0324726677
Scales and comparisons
How big is 21071057904?- 21,071,057,904 seconds is equal to 669 years, 51 weeks, 4 days, 23 hours, 38 minutes, 24 seconds.
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To count from 1 to 21,071,057,904 would take you about one thousand, three hundred thirty-nine 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 21071057904 cubic inches would be around 230.2 feet tall.
Recreational maths with 21071057904
- 21071057904 backwards is 40975017012
- 21071057904 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21071057904's digits is 36
- More coming soon!
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