830728390
830,728,390 is an even composite number composed of four prime numbers multiplied together.
830728390 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.
Prime factorization of 830728390:
2 × 5 × 31 × 16372
(2 × 5 × 31 × 1637 × 1637)See below for interesting mathematical facts about the number 830728390 from the Numbermatics database.
Names of 830728390
- Cardinal: 830728390 can be written as Eight hundred thirty million, seven hundred twenty-eight thousand, three hundred ninety.
Scientific notation
- Scientific notation: 8.3072839 × 108
Factors of 830728390
Divisors of 830728390
- Number of divisors d(n): 24
- Complete list of divisors:
- Sum of all divisors σ(n): 1544490432
- Sum of proper divisors (its aliquot sum) s(n): 713762042
- 830728390 is a deficient number, because the sum of its proper divisors (713762042) is less than itself. Its deficiency is 116966348
Bases of 830728390
- Binary: 1100011000001111101000110001102
- Hexadecimal: 0x3183E8C6
- Base-36: DQLE4M
Squares and roots of 830728390
- 830728390 squared (8307283902) is 690109657951992100
- 830728390 cubed (8307283903) is 573293685073909094525719000
-
The
square root of 830728390 is 28822.3592025357 -
The
cube root of 830728390 is 940.0544671925
Scales and comparisons
How big is 830728390?- 830,728,390 seconds is equal to 26 years, 21 weeks, 3 days, 21 hours, 53 minutes, 10 seconds.
-
To count from 1 to 830,728,390 would take you about thirty-nine 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 830728390 cubic inches would be around 78.3 feet tall.
Recreational maths with 830728390
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