51729920
51,729,920 is an even composite number composed of four prime numbers multiplied together.
51729920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 51729920:
29 × 5 × 112 × 167
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 11 × 167)See below for interesting mathematical facts about the number 51729920 from the Numbermatics database.
Names of 51729920
- Cardinal: 51729920 can be written as Fifty-one million, seven hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 5.172992 × 107
Factors of 51729920
Divisors of 51729920
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 167 176 220 242 256 320 334 352 440 484 512 605 640 668 704 835 880 968 1210 1280 1336 1408 1670 1760 1837 1936 2420 2560 2672 2816 3340 3520 3674 3872 4840 5344 5632 6680 7040 7348 7744 9185 9680 10688 13360 14080 14696 15488 18370 19360 20207 21376 26720 28160 29392 30976 36740 38720 40414 42752 53440 58784 61952 73480 77440 80828 85504 101035 106880 117568 146960 154880 161656 202070 213760 235136 293920 309760 323312 404140 427520 470272 587840 646624 808280 940544 1175680 1293248 1616560 2351360 2586496 3233120 4702720 5172992 6466240 10345984 12932480 25864960 51729920
- Sum of all divisors σ(n): 137147472
- Sum of proper divisors (its aliquot sum) s(n): 85417552
- 51729920 is an abundant number, because the sum of its proper divisors (85417552) is greater than itself. Its abundance is 33687632
Bases of 51729920
- Binary: 110001010101010110000000002
- Hexadecimal: 0x3155600
- Base-36: USR28
Squares and roots of 51729920
- 51729920 squared (517299202) is 2675984623206400
- 51729920 cubed (517299203) is 138428470479697215488000
-
The
square root of 51729920 is 7192.3514930793 -
The
cube root of 51729920 is 372.6037907255
Scales and comparisons
How big is 51729920?- 51,729,920 seconds is equal to 1 year, 33 weeks, 3 days, 17 hours, 25 minutes, 20 seconds.
-
To count from 1 to 51,729,920 would take you about 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 51729920 cubic inches would be around 31.1 feet tall.
Recreational maths with 51729920
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