12990000
12,990,000 is an even composite number composed of four prime numbers multiplied together.
12990000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred divisors.
Prime factorization of 12990000:
24 × 3 × 54 × 433
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 433)See below for interesting mathematical facts about the number 12990000 from the Numbermatics database.
Names of 12990000
- Cardinal: 12990000 can be written as Twelve million, nine hundred ninety thousand.
Scientific notation
- Scientific notation: 1.299 × 107
Factors of 12990000
Divisors of 12990000
- Number of divisors d(n): 100
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 433 500 600 625 750 866 1000 1200 1250 1299 1500 1732 1875 2000 2165 2500 2598 3000 3464 3750 4330 5000 5196 6000 6495 6928 7500 8660 10000 10392 10825 12990 15000 17320 20784 21650 25980 30000 32475 34640 43300 51960 54125 64950 86600 103920 108250 129900 162375 173200 216500 259800 270625 324750 433000 519600 541250 649500 811875 866000 1082500 1299000 1623750 2165000 2598000 3247500 4330000 6495000 12990000
- Sum of all divisors σ(n): 42030296
- Sum of proper divisors (its aliquot sum) s(n): 29040296
- 12990000 is an abundant number, because the sum of its proper divisors (29040296) is greater than itself. Its abundance is 16050296
Bases of 12990000
- Binary: 1100011000110110001100002
- Hexadecimal: 0xC63630
- Base-36: 7QF5C
Squares and roots of 12990000
- 12990000 squared (129900002) is 168740100000000
- 12990000 cubed (129900003) is 2191933899000000000000
-
The
square root of 12990000 is 3604.1642581881 -
The
cube root of 12990000 is 235.0731626733
Scales and comparisons
How big is 12990000?- 12,990,000 seconds is equal to 21 weeks, 3 days, 8 hours, 20 minutes.
-
To count from 1 to 12,990,000 would take you about thirty-two 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 12990000 cubic inches would be around 19.6 feet tall.
Recreational maths with 12990000
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