689121072
689,121,072 is an even composite number composed of four prime numbers multiplied together.
What does the number 689121072 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 60 divisors.
689121072 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 689121072:
24 × 32 × 31 × 154373
(2 × 2 × 2 × 2 × 3 × 3 × 31 × 154373)See below for interesting mathematical facts about the number 689121072 from the Numbermatics database.
Names of 689121072
- Cardinal: 689121072 can be written as Six hundred eighty-nine million, one hundred twenty-one thousand and seventy-two.
Scientific notation
- Scientific notation: 6.89121072 × 108
Factors of 689121072
Divisors of 689121072
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 372 496 558 744 1116 1488 2232 4464 154373 308746 463119 617492 926238 1234984 1389357 1852476 2469968 2778714 3704952 4785563 5557428 7409904 9571126 11114856 14356689 19142252 22229712 28713378 38284504 43070067 57426756 76569008 86140134 114853512 172280268 229707024 344560536 689121072
- Sum of all divisors σ(n): 1990807104
- Sum of proper divisors (its aliquot sum) s(n): 1301686032
- 689121072 is an abundant number, because the sum of its proper divisors (1301686032) is greater than itself. Its abundance is 612564960
Bases of 689121072
- Binary: 1010010001001100100111001100002
- Hexadecimal: 0x29132730
- Base-36: BEA980
Squares and roots of 689121072
- 689121072 squared (6891210722) is 474887851874429184
- 689121072 cubed (6891210723) is 327255225563483848666165248
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The
square root of 689121072 is 26251.1156334355 -
The
cube root of 689121072 is 883.2802300895
Scales and comparisons
How big is 689121072?- 689,121,072 seconds is equal to 21 years, 47 weeks, 2 days, 22 hours, 31 minutes, 12 seconds.
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To count from 1 to 689,121,072 would take you about thirty-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 689121072 cubic inches would be around 73.6 feet tall.
Recreational maths with 689121072
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