13121900
13,121,900 is an even composite number composed of five prime numbers multiplied together.
13121900 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 13121900:
22 × 52 × 11 × 79 × 151
(2 × 2 × 5 × 5 × 11 × 79 × 151)See below for interesting mathematical facts about the number 13121900 from the Numbermatics database.
Names of 13121900
- Cardinal: 13121900 can be written as Thirteen million, one hundred twenty-one thousand, nine hundred.
Scientific notation
- Scientific notation: 1.31219 × 107
Factors of 13121900
Divisors of 13121900
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 11 20 22 25 44 50 55 79 100 110 151 158 220 275 302 316 395 550 604 755 790 869 1100 1510 1580 1661 1738 1975 3020 3322 3476 3775 3950 4345 6644 7550 7900 8305 8690 11929 15100 16610 17380 21725 23858 33220 41525 43450 47716 59645 83050 86900 119290 131219 166100 238580 262438 298225 524876 596450 656095 1192900 1312190 2624380 3280475 6560950 13121900
- Sum of all divisors σ(n): 31664640
- Sum of proper divisors (its aliquot sum) s(n): 18542740
- 13121900 is an abundant number, because the sum of its proper divisors (18542740) is greater than itself. Its abundance is 5420840
Bases of 13121900
- Binary: 1100100000111001011011002
- Hexadecimal: 0xC8396C
- Base-36: 7T8X8
Squares and roots of 13121900
- 13121900 squared (131219002) is 172184259610000
- 13121900 cubed (131219003) is 2259384636176459000000
-
The
square root of 13121900 is 3622.4163206345 -
The
cube root of 13121900 is 235.8661263135
Scales and comparisons
How big is 13121900?- 13,121,900 seconds is equal to 21 weeks, 4 days, 20 hours, 58 minutes, 20 seconds.
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To count from 1 to 13,121,900 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 13121900 cubic inches would be around 19.7 feet tall.
Recreational maths with 13121900
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The information we have on file for 13121900 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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