66988896
66,988,896 is an even composite number composed of four prime numbers multiplied together.
66988896 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 66988896:
25 × 3 × 132 × 4129
(2 × 2 × 2 × 2 × 2 × 3 × 13 × 13 × 4129)See below for interesting mathematical facts about the number 66988896 from the Numbermatics database.
Names of 66988896
- Cardinal: 66988896 can be written as Sixty-six million, nine hundred eighty-eight thousand, eight hundred ninety-six.
Scientific notation
- Scientific notation: 6.6988896 × 107
Factors of 66988896
Divisors of 66988896
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 169 208 312 338 416 507 624 676 1014 1248 1352 2028 2704 4056 4129 5408 8112 8258 12387 16224 16516 24774 33032 49548 53677 66064 99096 107354 132128 161031 198192 214708 322062 396384 429416 644124 697801 858832 1288248 1395602 1717664 2093403 2576496 2791204 4186806 5152992 5582408 8373612 11164816 16747224 22329632 33494448 66988896
- Sum of all divisors σ(n): 190459080
- Sum of proper divisors (its aliquot sum) s(n): 123470184
- 66988896 is an abundant number, because the sum of its proper divisors (123470184) is greater than itself. Its abundance is 56481288
Bases of 66988896
- Binary: 111111111000101011011000002
- Hexadecimal: 0x3FE2B60
- Base-36: 13VSYO
Squares and roots of 66988896
- 66988896 squared (669888962) is 4487512187298816
- 66988896 cubed (669888963) is 300613487213692905947136
-
The
square root of 66988896 is 8184.6744590117 -
The
cube root of 66988896 is 406.1323712775
Scales and comparisons
How big is 66988896?- 66,988,896 seconds is equal to 2 years, 6 weeks, 5 days, 8 hours, 1 minute, 36 seconds.
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To count from 1 to 66,988,896 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 66988896 cubic inches would be around 33.8 feet tall.
Recreational maths with 66988896
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