868428720
868,428,720 is an even composite number composed of four prime numbers multiplied together.
868428720 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 868428720:
24 × 32 × 5 × 1206151
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 1206151)See below for interesting mathematical facts about the number 868428720 from the Numbermatics database.
Names of 868428720
- Cardinal: 868428720 can be written as Eight hundred sixty-eight million, four hundred twenty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 8.6842872 × 108
Factors of 868428720
Divisors of 868428720
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 1206151 2412302 3618453 4824604 6030755 7236906 9649208 10855359 12061510 14473812 18092265 19298416 21710718 24123020 28947624 36184530 43421436 48246040 54276795 57895248 72369060 86842872 96492080 108553590 144738120 173685744 217107180 289476240 434214360 868428720
- Sum of all divisors σ(n): 2916475536
- Sum of proper divisors (its aliquot sum) s(n): 2048046816
- 868428720 is an abundant number, because the sum of its proper divisors (2048046816) is greater than itself. Its abundance is 1179618096
Bases of 868428720
- Binary: 1100111100001100101011101100002
- Hexadecimal: 0x33C32BB0
- Base-36: ED1FW0
Squares and roots of 868428720
- 868428720 squared (8684287202) is 754168441720838400
- 868428720 cubed (8684287203) is 654941534508022289038848000
-
The
square root of 868428720 is 29469.1146796099 -
The
cube root of 868428720 is 954.0652092077
Scales and comparisons
How big is 868428720?- 868,428,720 seconds is equal to 27 years, 31 weeks, 6 days, 6 hours, 12 minutes.
-
To count from 1 to 868,428,720 would take you about forty-one 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 868428720 cubic inches would be around 79.5 feet tall.
Recreational maths with 868428720
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