51354940
51,354,940 is an even composite number composed of six prime numbers multiplied together.
51354940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 51354940:
22 × 5 × 72 × 13 × 29 × 139
(2 × 2 × 5 × 7 × 7 × 13 × 29 × 139)See below for interesting mathematical facts about the number 51354940 from the Numbermatics database.
Names of 51354940
- Cardinal: 51354940 can be written as Fifty-one million, three hundred fifty-four thousand, nine hundred forty.
Scientific notation
- Scientific notation: 5.135494 × 107
Factors of 51354940
Divisors of 51354940
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 29 35 49 52 58 65 70 91 98 116 130 139 140 145 182 196 203 245 260 278 290 364 377 406 455 490 556 580 637 695 754 812 910 973 980 1015 1274 1390 1421 1508 1807 1820 1885 1946 2030 2548 2639 2780 2842 3185 3614 3770 3892 4031 4060 4865 5278 5684 6370 6811 7105 7228 7540 8062 9035 9730 10556 12649 12740 13195 13622 14210 16124 18070 18473 19460 20155 25298 26390 27244 28217 28420 34055 36140 36946 40310 50596 52403 52780 56434 63245 68110 73892 80620 88543 92365 104806 112868 126490 136220 141085 177086 184730 197519 209612 252980 262015 282170 354172 366821 369460 395038 442715 524030 564340 733642 790076 885430 987595 1048060 1467284 1770860 1834105 1975190 2567747 3668210 3950380 5135494 7336420 10270988 12838735 25677470 51354940
- Sum of all divisors σ(n): 140767200
- Sum of proper divisors (its aliquot sum) s(n): 89412260
- 51354940 is an abundant number, because the sum of its proper divisors (89412260) is greater than itself. Its abundance is 38057320
Bases of 51354940
- Binary: 110000111110011101001111002
- Hexadecimal: 0x30F9D3C
- Base-36: UKPQ4
Squares and roots of 51354940
- 51354940 squared (513549402) is 2637329862403600
- 51354940 cubed (513549403) is 135439916843945133784000
-
The
square root of 51354940 is 7166.2361110977 -
The
cube root of 51354940 is 371.7012960377
Scales and comparisons
How big is 51354940?- 51,354,940 seconds is equal to 1 year, 32 weeks, 6 days, 9 hours, 15 minutes, 40 seconds.
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To count from 1 to 51,354,940 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 51354940 cubic inches would be around 31 feet tall.
Recreational maths with 51354940
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