51990764
51,990,764 is an even composite number composed of five prime numbers multiplied together.
51990764 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 51990764:
22 × 72 × 19 × 23 × 607
(2 × 2 × 7 × 7 × 19 × 23 × 607)See below for interesting mathematical facts about the number 51990764 from the Numbermatics database.
Names of 51990764
- Cardinal: 51990764 can be written as Fifty-one million, nine hundred ninety thousand, seven hundred sixty-four.
Scientific notation
- Scientific notation: 5.1990764 × 107
Factors of 51990764
Divisors of 51990764
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 7 14 19 23 28 38 46 49 76 92 98 133 161 196 266 322 437 532 607 644 874 931 1127 1214 1748 1862 2254 2428 3059 3724 4249 4508 6118 8498 11533 12236 13961 16996 21413 23066 27922 29743 42826 46132 55844 59486 80731 85652 97727 118972 161462 195454 265259 322924 390908 530518 565117 684089 1061036 1130234 1368178 1856813 2260468 2736356 3713626 7427252 12997691 25995382 51990764
- Sum of all divisors σ(n): 116444160
- Sum of proper divisors (its aliquot sum) s(n): 64453396
- 51990764 is an abundant number, because the sum of its proper divisors (64453396) is greater than itself. Its abundance is 12462632
Bases of 51990764
- Binary: 110001100101010000111011002
- Hexadecimal: 0x31950EC
- Base-36: UYCBW
Squares and roots of 51990764
- 51990764 squared (519907642) is 2703039541303696
- 51990764 cubed (519907643) is 140533090874588711063744
-
The
square root of 51990764 is 7210.4621211127 -
The
cube root of 51990764 is 373.2290159931
Scales and comparisons
How big is 51990764?- 51,990,764 seconds is equal to 1 year, 33 weeks, 6 days, 17 hours, 52 minutes, 44 seconds.
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To count from 1 to 51,990,764 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 51990764 cubic inches would be around 31.1 feet tall.
Recreational maths with 51990764
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