13281000
13,281,000 is an even composite number composed of five prime numbers multiplied together.
13281000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 13281000:
23 × 3 × 53 × 19 × 233
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 19 × 233)See below for interesting mathematical facts about the number 13281000 from the Numbermatics database.
Names of 13281000
- Cardinal: 13281000 can be written as Thirteen million, two hundred eighty-one thousand.
Scientific notation
- Scientific notation: 1.3281 × 107
Factors of 13281000
Divisors of 13281000
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 19 20 24 25 30 38 40 50 57 60 75 76 95 100 114 120 125 150 152 190 200 228 233 250 285 300 375 380 456 466 475 500 570 600 699 750 760 932 950 1000 1140 1165 1398 1425 1500 1864 1900 2280 2330 2375 2796 2850 3000 3495 3800 4427 4660 4750 5592 5700 5825 6990 7125 8854 9320 9500 11400 11650 13281 13980 14250 17475 17708 19000 22135 23300 26562 27960 28500 29125 34950 35416 44270 46600 53124 57000 58250 66405 69900 87375 88540 106248 110675 116500 132810 139800 174750 177080 221350 233000 265620 332025 349500 442700 531240 553375 664050 699000 885400 1106750 1328100 1660125 2213500 2656200 3320250 4427000 6640500 13281000
- Sum of all divisors σ(n): 43804800
- Sum of proper divisors (its aliquot sum) s(n): 30523800
- 13281000 is an abundant number, because the sum of its proper divisors (30523800) is greater than itself. Its abundance is 17242800
Bases of 13281000
- Binary: 1100101010100110111010002
- Hexadecimal: 0xCAA6E8
- Base-36: 7WNOO
Squares and roots of 13281000
- 13281000 squared (132810002) is 176384961000000
- 13281000 cubed (132810003) is 2342568667041000000000
-
The
square root of 13281000 is 3644.3106343999 -
The
cube root of 13281000 is 236.8155733761
Scales and comparisons
How big is 13281000?- 13,281,000 seconds is equal to 21 weeks, 6 days, 17 hours, 10 minutes.
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To count from 1 to 13,281,000 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 13281000 cubic inches would be around 19.7 feet tall.
Recreational maths with 13281000
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