813800000
813,800,000 is an even composite number composed of four prime numbers multiplied together.
813800000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 813800000:
26 × 55 × 13 × 313
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 13 × 313)See below for interesting mathematical facts about the number 813800000 from the Numbermatics database.
Names of 813800000
- Cardinal: 813800000 can be written as Eight hundred thirteen million, eight hundred thousand.
Scientific notation
- Scientific notation: 8.138 × 108
Factors of 813800000
Divisors of 813800000
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 125 130 160 200 208 250 260 313 320 325 400 416 500 520 625 626 650 800 832 1000 1040 1250 1252 1300 1565 1600 1625 2000 2080 2500 2504 2600 3125 3130 3250 4000 4069 4160 5000 5008 5200 6250 6260 6500 7825 8000 8125 8138 10000 10016 10400 12500 12520 13000 15650 16250 16276 20000 20032 20345 20800 25000 25040 26000 31300 32500 32552 39125 40000 40625 40690 50000 50080 52000 62600 65000 65104 78250 81250 81380 100000 100160 101725 104000 125200 130000 130208 156500 162500 162760 195625 200000 203450 250400 260000 260416 313000 325000 325520 391250 406900 500800 508625 520000 626000 650000 651040 782500 813800 978125 1017250 1252000 1300000 1302080 1565000 1627600 1956250 2034500 2504000 2543125 2600000 3130000 3255200 3912500 4069000 5086250 6260000 6510400 7825000 8138000 10172500 12520000 12715625 15650000 16276000 20345000 25431250 31300000 32552000 40690000 50862500 62600000 81380000 101725000 162760000 203450000 406900000 813800000
- Sum of all divisors σ(n): 2180688552
- Sum of proper divisors (its aliquot sum) s(n): 1366888552
- 813800000 is an abundant number, because the sum of its proper divisors (1366888552) is greater than itself. Its abundance is 553088552
Bases of 813800000
- Binary: 1100001000000110011010010000002
- Hexadecimal: 0x30819A40
- Base-36: DGIK3K
Squares and roots of 813800000
- 813800000 squared (8138000002) is 662270440000000000
- 813800000 cubed (8138000003) is 538955684072000000000000000
-
The
square root of 813800000 is 28527.1800218667 -
The
cube root of 813800000 is 933.6251921713
Scales and comparisons
How big is 813800000?- 813,800,000 seconds is equal to 25 years, 45 weeks, 3 days, 23 hours, 33 minutes, 20 seconds.
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To count from 1 to 813,800,000 would take you about thirty-eight 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 813800000 cubic inches would be around 77.8 feet tall.
Recreational maths with 813800000
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