12999040
12,999,040 is an even composite number composed of four prime numbers multiplied together.
12999040 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 12999040:
27 × 5 × 19 × 1069
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 19 × 1069)See below for interesting mathematical facts about the number 12999040 from the Numbermatics database.
Names of 12999040
- Cardinal: 12999040 can be written as Twelve million, nine hundred ninety-nine thousand and forty.
Scientific notation
- Scientific notation: 1.299904 × 107
Factors of 12999040
Divisors of 12999040
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 304 320 380 608 640 760 1069 1216 1520 2138 2432 3040 4276 5345 6080 8552 10690 12160 17104 20311 21380 34208 40622 42760 68416 81244 85520 101555 136832 162488 171040 203110 324976 342080 406220 649952 684160 812440 1299904 1624880 2599808 3249760 6499520 12999040
- Sum of all divisors σ(n): 32742000
- Sum of proper divisors (its aliquot sum) s(n): 19742960
- 12999040 is an abundant number, because the sum of its proper divisors (19742960) is greater than itself. Its abundance is 6743920
Bases of 12999040
- Binary: 1100011001011001100000002
- Hexadecimal: 0xC65980
- Base-36: 7QM4G
Squares and roots of 12999040
- 12999040 squared (129990402) is 168975040921600
- 12999040 cubed (129990403) is 2196513315941515264000
-
The
square root of 12999040 is 3605.4181449591 -
The
cube root of 12999040 is 235.1276807289
Scales and comparisons
How big is 12999040?- 12,999,040 seconds is equal to 21 weeks, 3 days, 10 hours, 50 minutes, 40 seconds.
-
To count from 1 to 12,999,040 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 12999040 cubic inches would be around 19.6 feet tall.
Recreational maths with 12999040
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