3900120
3,900,120 is an even composite number composed of five prime numbers multiplied together.
3900120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 3900120:
23 × 3 × 5 × 7 × 4643
(2 × 2 × 2 × 3 × 5 × 7 × 4643)See below for interesting mathematical facts about the number 3900120 from the Numbermatics database.
Names of 3900120
- Cardinal: 3900120 can be written as Three million, nine hundred thousand, one hundred twenty.
Scientific notation
- Scientific notation: 3.90012 × 106
Factors of 3900120
Divisors of 3900120
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 4643 9286 13929 18572 23215 27858 32501 37144 46430 55716 65002 69645 92860 97503 111432 130004 139290 162505 185720 195006 260008 278580 325010 390012 487515 557160 650020 780024 975030 1300040 1950060 3900120
- Sum of all divisors σ(n): 13374720
- Sum of proper divisors (its aliquot sum) s(n): 9474600
- 3900120 is an abundant number, because the sum of its proper divisors (9474600) is greater than itself. Its abundance is 5574480
Bases of 3900120
- Binary: 11101110000010110110002
- Hexadecimal: 0x3B82D8
- Base-36: 2BLCO
Squares and roots of 3900120
- 3900120 squared (39001202) is 15210936014400
- 3900120 cubed (39001203) is 59324475768481728000
-
The
square root of 3900120 is 1974.8721477605 -
The
cube root of 3900120 is 157.4077060681
Scales and comparisons
How big is 3900120?- 3,900,120 seconds is equal to 6 weeks, 3 days, 3 hours, 22 minutes.
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To count from 1 to 3,900,120 would take you about nine weeks!
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 3900120 cubic inches would be around 13.1 feet tall.
Recreational maths with 3900120
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