68742864
68,742,864 is an even composite number composed of four prime numbers multiplied together.
68742864 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 68742864:
24 × 33 × 227 × 701
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 227 × 701)See below for interesting mathematical facts about the number 68742864 from the Numbermatics database.
Names of 68742864
- Cardinal: 68742864 can be written as Sixty-eight million, seven hundred forty-two thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 6.8742864 × 107
Factors of 68742864
Divisors of 68742864
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 227 432 454 681 701 908 1362 1402 1816 2043 2103 2724 2804 3632 4086 4206 5448 5608 6129 6309 8172 8412 10896 11216 12258 12618 16344 16824 18927 24516 25236 32688 33648 37854 49032 50472 75708 98064 100944 151416 159127 302832 318254 477381 636508 954762 1273016 1432143 1909524 2546032 2864286 3819048 4296429 5728572 7638096 8592858 11457144 17185716 22914288 34371432 68742864
- Sum of all divisors σ(n): 198469440
- Sum of proper divisors (its aliquot sum) s(n): 129726576
- 68742864 is an abundant number, because the sum of its proper divisors (129726576) is greater than itself. Its abundance is 60983712
Bases of 68742864
- Binary: 1000001100011101110110100002
- Hexadecimal: 0x418EED0
- Base-36: 14XEC0
Squares and roots of 68742864
- 68742864 squared (687428642) is 4725581350922496
- 68742864 cubed (687428643) is 324849996127401417068544
-
The
square root of 68742864 is 8291.1316477307 -
The
cube root of 68742864 is 409.6464610485
Scales and comparisons
How big is 68742864?- 68,742,864 seconds is equal to 2 years, 9 weeks, 4 days, 15 hours, 14 minutes, 24 seconds.
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To count from 1 to 68,742,864 would take you about three 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 68742864 cubic inches would be around 34.1 feet tall.
Recreational maths with 68742864
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