385638984
385,638,984 is an even composite number composed of four prime numbers multiplied together.
385638984 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 385638984:
23 × 32 × 29 × 184693
(2 × 2 × 2 × 3 × 3 × 29 × 184693)See below for interesting mathematical facts about the number 385638984 from the Numbermatics database.
Names of 385638984
- Cardinal: 385638984 can be written as Three hundred eighty-five million, six hundred thirty-eight thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 3.85638984 × 108
Factors of 385638984
Divisors of 385638984
- Number of divisors d(n): 48
- Complete list of divisors:
- Sum of all divisors σ(n): 1080459900
- Sum of proper divisors (its aliquot sum) s(n): 694820916
- 385638984 is an abundant number, because the sum of its proper divisors (694820916) is greater than itself. Its abundance is 309181932
Bases of 385638984
- Binary: 101101111110001100010010010002
- Hexadecimal: 0x16FC6248
- Base-36: 6DLKY0
Squares and roots of 385638984
- 385638984 squared (3856389842) is 148717425980552256
- 385638984 cubed (3856389843) is 57351237058235375762747904
-
The
square root of 385638984 is 19637.6929398543 -
The
cube root of 385638984 is 727.8808775425
Scales and comparisons
How big is 385638984?- 385,638,984 seconds is equal to 12 years, 13 weeks, 4 days, 9 hours, 56 minutes, 24 seconds.
-
To count from 1 to 385,638,984 would take you about eighteen 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 385638984 cubic inches would be around 60.7 feet tall.
Recreational maths with 385638984
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