51680720
51,680,720 is an even composite number composed of six prime numbers multiplied together.
51680720 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 51680720:
24 × 5 × 7 × 13 × 31 × 229
(2 × 2 × 2 × 2 × 5 × 7 × 13 × 31 × 229)See below for interesting mathematical facts about the number 51680720 from the Numbermatics database.
Names of 51680720
- Cardinal: 51680720 can be written as Fifty-one million, six hundred eighty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 5.168072 × 107
Factors of 51680720
Divisors of 51680720
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 31 35 40 52 56 62 65 70 80 91 104 112 124 130 140 155 182 208 217 229 248 260 280 310 364 403 434 455 458 496 520 560 620 728 806 868 910 916 1040 1085 1145 1240 1456 1603 1612 1736 1820 1832 2015 2170 2290 2480 2821 2977 3206 3224 3472 3640 3664 4030 4340 4580 5642 5954 6412 6448 7099 7280 8015 8060 8680 9160 11284 11908 12824 14105 14198 14885 16030 16120 17360 18320 20839 22568 23816 25648 28210 28396 29770 32060 32240 35495 41678 45136 47632 49693 56420 56792 59540 64120 70990 83356 92287 99386 104195 112840 113584 119080 128240 141980 166712 184574 198772 208390 225680 238160 248465 283960 333424 369148 397544 416780 461435 496930 567920 646009 738296 795088 833560 922870 993860 1292018 1476592 1667120 1845740 1987720 2584036 3230045 3691480 3975440 5168072 6460090 7382960 10336144 12920180 25840360 51680720
- Sum of all divisors σ(n): 153323520
- Sum of proper divisors (its aliquot sum) s(n): 101642800
- 51680720 is an abundant number, because the sum of its proper divisors (101642800) is greater than itself. Its abundance is 49962080
Bases of 51680720
- Binary: 110001010010010101110100002
- Hexadecimal: 0x31495D0
- Base-36: URP3K
Squares and roots of 51680720
- 51680720 squared (516807202) is 2670896819718400
- 51680720 cubed (516807203) is 138033870688757109248000
-
The
square root of 51680720 is 7188.9303794097 -
The
cube root of 51680720 is 372.4856262189
Scales and comparisons
How big is 51680720?- 51,680,720 seconds is equal to 1 year, 33 weeks, 3 days, 3 hours, 45 minutes, 20 seconds.
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To count from 1 to 51,680,720 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 51680720 cubic inches would be around 31 feet tall.
Recreational maths with 51680720
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