689198900
689,198,900 is an even composite number composed of four prime numbers multiplied together.
689198900 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 689198900:
22 × 52 × 133 × 3137
(2 × 2 × 5 × 5 × 13 × 13 × 13 × 3137)See below for interesting mathematical facts about the number 689198900 from the Numbermatics database.
Names of 689198900
- Cardinal: 689198900 can be written as Six hundred eighty-nine million, one hundred ninety-eight thousand, nine hundred.
Scientific notation
- Scientific notation: 6.891989 × 108
Factors of 689198900
Divisors of 689198900
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 13 20 25 26 50 52 65 100 130 169 260 325 338 650 676 845 1300 1690 2197 3137 3380 4225 4394 6274 8450 8788 10985 12548 15685 16900 21970 31370 40781 43940 54925 62740 78425 81562 109850 156850 163124 203905 219700 313700 407810 530153 815620 1019525 1060306 2039050 2120612 2650765 4078100 5301530 6891989 10603060 13253825 13783978 26507650 27567956 34459945 53015300 68919890 137839780 172299725 344599450 689198900
- Sum of all divisors σ(n): 1620651480
- Sum of proper divisors (its aliquot sum) s(n): 931452580
- 689198900 is an abundant number, because the sum of its proper divisors (931452580) is greater than itself. Its abundance is 242253680
Bases of 689198900
- Binary: 1010010001010001010111001101002
- Hexadecimal: 0x29145734
- Base-36: BEBX9W
Squares and roots of 689198900
- 689198900 squared (6891989002) is 474995123761210000
- 689198900 cubed (6891989003) is 327366116801589794669000000
-
The
square root of 689198900 is 26252.5979666775 -
The
cube root of 689198900 is 883.3134808243
Scales and comparisons
How big is 689198900?- 689,198,900 seconds is equal to 21 years, 47 weeks, 3 days, 20 hours, 8 minutes, 20 seconds.
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To count from 1 to 689,198,900 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 689198900 cubic inches would be around 73.6 feet tall.
Recreational maths with 689198900
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