7940000000
7,940,000,000 is an even composite number composed of three prime numbers multiplied together.
7940000000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 7940000000:
28 × 57 × 397
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 397)See below for interesting mathematical facts about the number 7940000000 from the Numbermatics database.
Names of 7940000000
- Cardinal: 7940000000 can be written as Seven billion, nine hundred forty million.
Scientific notation
- Scientific notation: 7.94 × 109
Factors of 7940000000
Divisors of 7940000000
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 397 400 500 625 640 794 800 1000 1250 1280 1588 1600 1985 2000 2500 3125 3176 3200 3970 4000 5000 6250 6352 6400 7940 8000 9925 10000 12500 12704 15625 15880 16000 19850 20000 25000 25408 31250 31760 32000 39700 40000 49625 50000 50816 62500 63520 78125 79400 80000 99250 100000 101632 125000 127040 156250 158800 160000 198500 200000 248125 250000 254080 312500 317600 397000 400000 496250 500000 508160 625000 635200 794000 800000 992500 1000000 1240625 1250000 1270400 1588000 1985000 2000000 2481250 2500000 2540800 3176000 3970000 4000000 4962500 5000000 6203125 6352000 7940000 9925000 10000000 12406250 12704000 15880000 19850000 20000000 24812500 31015625 31760000 39700000 49625000 62031250 63520000 79400000 99250000 124062500 158800000 198500000 248125000 317600000 397000000 496250000 794000000 992500000 1588000000 1985000000 3970000000 7940000000
- Sum of all divisors σ(n): 19861081968
- Sum of proper divisors (its aliquot sum) s(n): 11921081968
- 7940000000 is an abundant number, because the sum of its proper divisors (11921081968) is greater than itself. Its abundance is 3981081968
Bases of 7940000000
- Binary: 1110110010100001011001001000000002
- Hexadecimal: 0x1D942C900
- Base-36: 3NB9R7K
Squares and roots of 7940000000
- 7940000000 squared (79400000002) is 63043600000000000000
- 7940000000 cubed (79400000003) is 500566184000000000000000000000
-
The
square root of 7940000000 is 89106.6776397819 -
The
cube root of 7940000000 is 1994.9874476547
Scales and comparisons
How big is 7940000000?- 7,940,000,000 seconds is equal to 252 years, 24 weeks, 2 days, 3 hours, 33 minutes, 20 seconds.
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To count from 1 to 7,940,000,000 would take you about five hundred four 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 7940000000 cubic inches would be around 166.2 feet tall.
Recreational maths with 7940000000
- 7940000000 backwards is 0000000497
- 7940000000 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 7940000000's digits is 20
- More coming soon!
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