12997880
12,997,880 is an even composite number composed of five prime numbers multiplied together.
12997880 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 12997880:
23 × 5 × 7 × 61 × 761
(2 × 2 × 2 × 5 × 7 × 61 × 761)See below for interesting mathematical facts about the number 12997880 from the Numbermatics database.
Names of 12997880
- Cardinal: 12997880 can be written as Twelve million, nine hundred ninety-seven thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 1.299788 × 107
Factors of 12997880
Divisors of 12997880
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 35 40 56 61 70 122 140 244 280 305 427 488 610 761 854 1220 1522 1708 2135 2440 3044 3416 3805 4270 5327 6088 7610 8540 10654 15220 17080 21308 26635 30440 42616 46421 53270 92842 106540 185684 213080 232105 324947 371368 464210 649894 928420 1299788 1624735 1856840 2599576 3249470 6498940 12997880
- Sum of all divisors σ(n): 34015680
- Sum of proper divisors (its aliquot sum) s(n): 21017800
- 12997880 is an abundant number, because the sum of its proper divisors (21017800) is greater than itself. Its abundance is 8019920
Bases of 12997880
- Binary: 1100011001010100111110002
- Hexadecimal: 0xC654F8
- Base-36: 7QL88
Squares and roots of 12997880
- 12997880 squared (129978802) is 168944884494400
- 12997880 cubed (129978803) is 2195925335272071872000
-
The
square root of 12997880 is 3605.2572723733 -
The
cube root of 12997880 is 235.1206864631
Scales and comparisons
How big is 12997880?- 12,997,880 seconds is equal to 21 weeks, 3 days, 10 hours, 31 minutes, 20 seconds.
-
To count from 1 to 12,997,880 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 12997880 cubic inches would be around 19.6 feet tall.
Recreational maths with 12997880
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