12898400
12,898,400 is an even composite number composed of four prime numbers multiplied together.
12898400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 12898400:
25 × 52 × 23 × 701
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 23 × 701)See below for interesting mathematical facts about the number 12898400 from the Numbermatics database.
Names of 12898400
- Cardinal: 12898400 can be written as Twelve million, eight hundred ninety-eight thousand, four hundred.
Scientific notation
- Scientific notation: 1.28984 × 107
Factors of 12898400
Divisors of 12898400
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 8 10 16 20 23 25 32 40 46 50 80 92 100 115 160 184 200 230 368 400 460 575 701 736 800 920 1150 1402 1840 2300 2804 3505 3680 4600 5608 7010 9200 11216 14020 16123 17525 18400 22432 28040 32246 35050 56080 64492 70100 80615 112160 128984 140200 161230 257968 280400 322460 403075 515936 560800 644920 806150 1289840 1612300 2579680 3224600 6449200 12898400
- Sum of all divisors σ(n): 32904144
- Sum of proper divisors (its aliquot sum) s(n): 20005744
- 12898400 is an abundant number, because the sum of its proper divisors (20005744) is greater than itself. Its abundance is 7107344
Bases of 12898400
- Binary: 1100010011010000011000002
- Hexadecimal: 0xC4D060
- Base-36: 7OGGW
Squares and roots of 12898400
- 12898400 squared (128984002) is 166368722560000
- 12898400 cubed (128984003) is 2145890331067904000000
-
The
square root of 12898400 is 3591.4342538879 -
The
cube root of 12898400 is 234.5193131969
Scales and comparisons
How big is 12898400?- 12,898,400 seconds is equal to 21 weeks, 2 days, 6 hours, 53 minutes, 20 seconds.
-
To count from 1 to 12,898,400 would take you about thirty-one 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 12898400 cubic inches would be around 19.5 feet tall.
Recreational maths with 12898400
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