12961620
12,961,620 is an even composite number composed of five prime numbers multiplied together.
12961620 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 12961620:
22 × 36 × 5 × 7 × 127
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 127)See below for interesting mathematical facts about the number 12961620 from the Numbermatics database.
Names of 12961620
- Cardinal: 12961620 can be written as Twelve million, nine hundred sixty-one thousand, six hundred twenty.
Scientific notation
- Scientific notation: 1.296162 × 107
Factors of 12961620
Divisors of 12961620
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 127 135 140 162 180 189 210 243 252 254 270 315 324 378 381 405 420 486 508 540 567 630 635 729 756 762 810 889 945 972 1134 1143 1215 1260 1270 1458 1524 1620 1701 1778 1890 1905 2268 2286 2430 2540 2667 2835 2916 3402 3429 3556 3645 3780 3810 4445 4572 4860 5103 5334 5670 5715 6804 6858 7290 7620 8001 8505 8890 10206 10287 10668 11340 11430 13335 13716 14580 16002 17010 17145 17780 20412 20574 22860 24003 25515 26670 30861 32004 34020 34290 40005 41148 48006 51030 51435 53340 61722 68580 72009 80010 92583 96012 102060 102870 120015 123444 144018 154305 160020 185166 205740 216027 240030 288036 308610 360045 370332 432054 462915 480060 617220 648081 720090 864108 925830 1080135 1296162 1440180 1851660 2160270 2592324 3240405 4320540 6480810 12961620
- Sum of all divisors σ(n): 47007744
- Sum of proper divisors (its aliquot sum) s(n): 34046124
- 12961620 is an abundant number, because the sum of its proper divisors (34046124) is greater than itself. Its abundance is 21084504
Bases of 12961620
- Binary: 1100010111000111010101002
- Hexadecimal: 0xC5C754
- Base-36: 7PT90
Squares and roots of 12961620
- 12961620 squared (129616202) is 168003593024400
- 12961620 cubed (129616203) is 2177598731416923528000
-
The
square root of 12961620 is 3600.2249929691 -
The
cube root of 12961620 is 234.9018452317
Scales and comparisons
How big is 12961620?- 12,961,620 seconds is equal to 21 weeks, 3 days, 27 minutes.
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To count from 1 to 12,961,620 would take you about thirty-two weeks!
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 12961620 cubic inches would be around 19.6 feet tall.
Recreational maths with 12961620
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