21015825102
21,015,825,102 is an even composite number composed of five prime numbers multiplied together.
21015825102 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 21015825102:
2 × 32 × 172 × 194 × 31
(2 × 3 × 3 × 17 × 17 × 19 × 19 × 19 × 19 × 31)See below for interesting mathematical facts about the number 21015825102 from the Numbermatics database.
Names of 21015825102
- Cardinal: 21015825102 can be written as Twenty-one billion, fifteen million, eight hundred twenty-five thousand, one hundred two.
Scientific notation
- Scientific notation: 2.1015825102 × 1010
Factors of 21015825102
Divisors of 21015825102
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 6 9 17 18 19 31 34 38 51 57 62 93 102 114 153 171 186 279 289 306 323 342 361 527 558 578 589 646 722 867 969 1054 1083 1178 1581 1734 1767 1938 2166 2601 2907 3162 3249 3534 4743 5202 5301 5491 5814 6137 6498 6859 8959 9486 10013 10602 10982 11191 12274 13718 16473 17918 18411 20026 20577 22382 26877 30039 32946 33573 36822 41154 49419 53754 55233 60078 61731 67146 80631 90117 98838 100719 104329 110466 116603 123462 130321 161262 170221 180234 190247 201438 208658 212629 233206 260642 312987 340442 349809 380494 390963 425258 510663 570741 625974 637887 699618 781926 938961 1021326 1049427 1141482 1172889 1275774 1531989 1712223 1877922 1913661 1982251 2098854 2215457 2345778 3063978 3234199 3424446 3614693 3827322 3964502 4039951 4430914 5946753 6468398 6646371 7229386 8079902 9702597 10844079 11893506 12119853 13292742 17840259 19405194 19939113 21688158 24239706 29107791 32532237 35680518 36359559 37662769 39878226 58215582 61449781 65064474 68679167 72719118 75325538 112988307 122899562 137358334 184349343 206037501 225976614 338964921 368698686 412075002 553048029 618112503 677929842 1106096058 1167545839 1236225006 2335091678 3502637517 7005275034 10507912551 21015825102
- Sum of all divisors σ(n): 52704571296
- Sum of proper divisors (its aliquot sum) s(n): 31688746194
- 21015825102 is an abundant number, because the sum of its proper divisors (31688746194) is greater than itself. Its abundance is 10672921092
Bases of 21015825102
- Binary: 100111001001010010000001010110011102
- Hexadecimal: 0x4E4A40ACE
- Base-36: 9NKA2FI
Squares and roots of 21015825102
- 21015825102 squared (210158251022) is 441664904717853310404
- 21015825102 cubed (210158251023) is 9281952391241899828342180961208
-
The
square root of 21015825102 is 144968.3589684315 -
The
cube root of 21015825102 is 2759.6170223173
Scales and comparisons
How big is 21015825102?- 21,015,825,102 seconds is equal to 668 years, 12 weeks, 2 days, 17 hours, 11 minutes, 42 seconds.
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To count from 1 to 21,015,825,102 would take you about one thousand, three hundred thirty-six 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 21015825102 cubic inches would be around 230 feet tall.
Recreational maths with 21015825102
- 21015825102 backwards is 20152851012
- The number of decimal digits it has is: 11
- The sum of 21015825102's digits is 27
- More coming soon!
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