21272997840
21,272,997,840 is an even composite number composed of six prime numbers multiplied together.
21272997840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21272997840:
24 × 3 × 5 × 43 × 127 × 16231
(2 × 2 × 2 × 2 × 3 × 5 × 43 × 127 × 16231)See below for interesting mathematical facts about the number 21272997840 from the Numbermatics database.
Names of 21272997840
- Cardinal: 21272997840 can be written as Twenty-one billion, two hundred seventy-two million, nine hundred ninety-seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.127299784 × 1010
Factors of 21272997840
Divisors of 21272997840
- Number of divisors d(n): 160
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 80 86 120 127 129 172 215 240 254 258 344 381 430 508 516 635 645 688 762 860 1016 1032 1270 1290 1524 1720 1905 2032 2064 2540 2580 3048 3440 3810 5080 5160 5461 6096 7620 10160 10320 10922 15240 16231 16383 21844 27305 30480 32462 32766 43688 48693 54610 64924 65532 81155 81915 87376 97386 109220 129848 131064 162310 163830 194772 218440 243465 259696 262128 324620 327660 389544 436880 486930 649240 655320 697933 779088 973860 1298480 1310640 1395866 1947720 2061337 2093799 2791732 3489665 3895440 4122674 4187598 5583464 6184011 6979330 8245348 8375196 10306685 10468995 11166928 12368022 13958660 16490696 16750392 20613370 20937990 24736044 27917320 30920055 32981392 33500784 41226740 41875980 49472088 55834640 61840110 82453480 83751960 88637491 98944176 123680220 164906960 167503920 177274982 247360440 265912473 354549964 443187455 494720880 531824946 709099928 886374910 1063649892 1329562365 1418199856 1772749820 2127299784 2659124730 3545499640 4254599568 5318249460 7090999280 10636498920 21272997840
- Sum of all divisors σ(n): 68015456256
- Sum of proper divisors (its aliquot sum) s(n): 46742458416
- 21272997840 is an abundant number, because the sum of its proper divisors (46742458416) is greater than itself. Its abundance is 25469460576
Bases of 21272997840
- Binary: 100111100111111100000101111110100002
- Hexadecimal: 0x4F3F82FD0
- Base-36: 9RTE66O
Squares and roots of 21272997840
- 21272997840 squared (212729978402) is 452540437100644665600
- 21272997840 cubed (212729978403) is 9626891740954669833916322304000
-
The
square root of 21272997840 is 145852.6579805797 -
The
cube root of 21272997840 is 2770.8279851787
Scales and comparisons
How big is 21272997840?- 21,272,997,840 seconds is equal to 676 years, 21 weeks, 4 days, 6 hours, 4 minutes.
-
To count from 1 to 21,272,997,840 would take you about one thousand, three hundred fifty-two 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 21272997840 cubic inches would be around 230.9 feet tall.
Recreational maths with 21272997840
- 21272997840 backwards is 04879927212
- The number of decimal digits it has is: 11
- The sum of 21272997840's digits is 51
- More coming soon!
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