51391080
51,391,080 is an even composite number composed of six prime numbers multiplied together.
51391080 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 51391080:
23 × 32 × 5 × 13 × 79 × 139
(2 × 2 × 2 × 3 × 3 × 5 × 13 × 79 × 139)See below for interesting mathematical facts about the number 51391080 from the Numbermatics database.
Names of 51391080
- Cardinal: 51391080 can be written as Fifty-one million, three hundred ninety-one thousand and eighty.
Scientific notation
- Scientific notation: 5.139108 × 107
Factors of 51391080
Divisors of 51391080
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 79 90 104 117 120 130 139 156 158 180 195 234 237 260 278 312 316 360 390 395 417 468 474 520 556 585 632 695 711 780 790 834 936 948 1027 1112 1170 1185 1251 1390 1422 1560 1580 1668 1807 1896 2054 2085 2340 2370 2502 2780 2844 3081 3160 3336 3555 3614 4108 4170 4680 4740 5004 5135 5421 5560 5688 6162 6255 7110 7228 8216 8340 9035 9243 9480 10008 10270 10842 10981 12324 12510 14220 14456 15405 16263 16680 18070 18486 20540 21684 21962 24648 25020 27105 28440 30810 32526 32943 36140 36972 41080 43368 43924 46215 50040 54210 54905 61620 65052 65886 72280 73944 81315 87848 92430 98829 108420 109810 123240 130104 131772 142753 162630 164715 184860 197658 216840 219620 263544 285506 325260 329430 369720 395316 428259 439240 494145 571012 650520 658860 713765 790632 856518 988290 1142024 1284777 1317720 1427530 1713036 1976580 2141295 2569554 2855060 3426072 3953160 4282590 5139108 5710120 6423885 8565180 10278216 12847770 17130360 25695540 51391080
- Sum of all divisors σ(n): 183456000
- Sum of proper divisors (its aliquot sum) s(n): 132064920
- 51391080 is an abundant number, because the sum of its proper divisors (132064920) is greater than itself. Its abundance is 80673840
Bases of 51391080
- Binary: 110001000000101010011010002
- Hexadecimal: 0x3102A68
- Base-36: ULHM0
Squares and roots of 51391080
- 51391080 squared (513910802) is 2641043103566400
- 51391080 cubed (513910803) is 135726057418829147712000
-
The
square root of 51391080 is 7168.7572144689 -
The
cube root of 51391080 is 371.7884680145
Scales and comparisons
How big is 51391080?- 51,391,080 seconds is equal to 1 year, 32 weeks, 6 days, 19 hours, 18 minutes.
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To count from 1 to 51,391,080 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 51391080 cubic inches would be around 31 feet tall.
Recreational maths with 51391080
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