640480000
640,480,000 is an even composite number composed of three prime numbers multiplied together.
640480000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of ninety divisors.
Prime factorization of 640480000:
28 × 54 × 4003
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 4003)See below for interesting mathematical facts about the number 640480000 from the Numbermatics database.
Names of 640480000
- Cardinal: 640480000 can be written as Six hundred forty million, four hundred eighty thousand.
Scientific notation
- Scientific notation: 6.4048 × 108
Factors of 640480000
Divisors of 640480000
- Number of divisors d(n): 90
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3200 4000 4003 5000 6400 8000 8006 10000 16000 16012 20000 20015 32000 32024 40000 40030 64048 80000 80060 100075 128096 160000 160120 200150 256192 320240 400300 500375 512384 640480 800600 1000750 1024768 1280960 1601200 2001500 2501875 2561920 3202400 4003000 5003750 5123840 6404800 8006000 10007500 12809600 16012000 20015000 25619200 32024000 40030000 64048000 80060000 128096000 160120000 320240000 640480000
- Sum of all divisors σ(n): 1597960364
- Sum of proper divisors (its aliquot sum) s(n): 957480364
- 640480000 is an abundant number, because the sum of its proper divisors (957480364) is greater than itself. Its abundance is 317000364
Bases of 640480000
- Binary: 1001100010110011110011000000002
- Hexadecimal: 0x262CF300
- Base-36: ALBPJ4
Squares and roots of 640480000
- 640480000 squared (6404800002) is 410214630400000000
- 640480000 cubed (6404800003) is 262734266478592000000000000
-
The
square root of 640480000 is 25307.7063362131 -
The
cube root of 640480000 is 861.9892656431
Scales and comparisons
How big is 640480000?- 640,480,000 seconds is equal to 20 years, 18 weeks, 6 days, 23 hours, 6 minutes, 40 seconds.
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To count from 1 to 640,480,000 would take you about thirty 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 640480000 cubic inches would be around 71.8 feet tall.
Recreational maths with 640480000
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