51121728
51,121,728 is an even composite number composed of five prime numbers multiplied together.
51121728 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 51121728:
26 × 32 × 7 × 31 × 409
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 31 × 409)See below for interesting mathematical facts about the number 51121728 from the Numbermatics database.
Names of 51121728
- Cardinal: 51121728 can be written as Fifty-one million, one hundred twenty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 5.1121728 × 107
Factors of 51121728
Divisors of 51121728
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 56 62 63 64 72 84 93 96 112 124 126 144 168 186 192 217 224 248 252 279 288 336 372 409 434 448 496 504 558 576 651 672 744 818 868 992 1008 1116 1227 1302 1344 1488 1636 1736 1953 1984 2016 2232 2454 2604 2863 2976 3272 3472 3681 3906 4032 4464 4908 5208 5726 5952 6544 6944 7362 7812 8589 8928 9816 10416 11452 12679 13088 13888 14724 15624 17178 17856 19632 20832 22904 25358 25767 26176 29448 31248 34356 38037 39264 41664 45808 50716 51534 58896 62496 68712 76074 78528 88753 91616 101432 103068 114111 117792 124992 137424 152148 177506 183232 202864 206136 228222 235584 266259 274848 304296 355012 405728 412272 456444 532518 549696 608592 710024 798777 811456 824544 912888 1065036 1217184 1420048 1597554 1649088 1825776 2130072 2434368 2840096 3195108 3651552 4260144 5680192 6390216 7303104 8520288 12780432 17040576 25560864 51121728
- Sum of all divisors σ(n): 173288960
- Sum of proper divisors (its aliquot sum) s(n): 122167232
- 51121728 is an abundant number, because the sum of its proper divisors (122167232) is greater than itself. Its abundance is 71045504
Bases of 51121728
- Binary: 110000110000001110010000002
- Hexadecimal: 0x30C0E40
- Base-36: UFPS0
Squares and roots of 51121728
- 51121728 squared (511217282) is 2613431073705984
- 51121728 cubed (511217283) is 133603112496745266020352
-
The
square root of 51121728 is 7149.9460137823 -
The
cube root of 51121728 is 371.1377880777
Scales and comparisons
How big is 51121728?- 51,121,728 seconds is equal to 1 year, 32 weeks, 3 days, 16 hours, 28 minutes, 48 seconds.
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To count from 1 to 51,121,728 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 51121728 cubic inches would be around 30.9 feet tall.
Recreational maths with 51121728
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The information we have on file for 51121728 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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