21007389312
21,007,389,312 is an even composite number composed of five prime numbers multiplied together.
21007389312 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21007389312:
27 × 33 × 7 × 13 × 66797
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 13 × 66797)See below for interesting mathematical facts about the number 21007389312 from the Numbermatics database.
Names of 21007389312
- Cardinal: 21007389312 can be written as Twenty-one billion, seven million, three hundred eighty-nine thousand, three hundred twelve.
Scientific notation
- Scientific notation: 2.1007389312 × 1010
Factors of 21007389312
Divisors of 21007389312
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 64 72 78 84 91 96 104 108 112 117 126 128 144 156 168 182 189 192 208 216 224 234 252 273 288 312 336 351 364 378 384 416 432 448 468 504 546 576 624 672 702 728 756 819 832 864 896 936 1008 1092 1152 1248 1344 1404 1456 1512 1638 1664 1728 1872 2016 2184 2457 2496 2688 2808 2912 3024 3276 3456 3744 4032 4368 4914 4992 5616 5824 6048 6552 7488 8064 8736 9828 11232 11648 12096 13104 14976 17472 19656 22464 24192 26208 34944 39312 44928 52416 66797 78624 104832 133594 157248 200391 267188 314496 400782 467579 534376 601173 801564 868361 935158 1068752 1202346 1402737 1603128 1736722 1803519 1870316 2137504 2404692 2605083 2805474 3206256 3473444 3607038 3740632 4208211 4275008 4809384 5210166 5610948 6078527 6412512 6946888 7214076 7481264 7815249 8416422 8550016 9618768 10420332 11221896 12157054 12624633 12825024 13893776 14428152 14962528 15630498 16832844 18235581 19237536 20840664 22443792 23445747 24314108 25249266 25650048 27787552 28856304 29925056 31260996 33665688 36471162 38475072 41681328 44887584 46891494 48628216 50498532 54706743 55575104 57712608 59850112 62521992 67331376 72942324 76950144 83362656 89775168 93782988 97256432 100997064 109413486 111150208 115425216 125043984 134662752 145884648 164120229 166725312 179550336 187565976 194512864 201994128 218826972 230850432 250087968 269325504 291769296 328240458 333450624 375131952 389025728 403988256 437653944 500175936 538651008 583538592 656480916 750263904 778051456 807976512 875307888 1000351872 1167077184 1312961832 1500527808 1615953024 1750615776 2334154368 2625923664 3001055616 3501231552 5251847328 7002463104 10503694656 21007389312
- Sum of all divisors σ(n): 76310035200
- Sum of proper divisors (its aliquot sum) s(n): 55302645888
- 21007389312 is an abundant number, because the sum of its proper divisors (55302645888) is greater than itself. Its abundance is 34295256576
Bases of 21007389312
- Binary: 100111001000010001101010010100000002
- Hexadecimal: 0x4E4235280
- Base-36: 9NF99C0
Squares and roots of 21007389312
- 21007389312 squared (210073893122) is 441310405705931833344
- 21007389312 cubed (210073893123) is 9270779500101176210791310819328
-
The
square root of 21007389312 is 144939.2607680887 -
The
cube root of 21007389312 is 2759.2477344897
Scales and comparisons
How big is 21007389312?- 21,007,389,312 seconds is equal to 667 years, 50 weeks, 3 days, 1 hour, 55 minutes, 12 seconds.
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To count from 1 to 21,007,389,312 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 21007389312 cubic inches would be around 229.9 feet tall.
Recreational maths with 21007389312
- 21007389312 backwards is 21398370012
- 21007389312 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21007389312's digits is 36
- More coming soon!
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