1321309920
1,321,309,920 is an even composite number composed of five prime numbers multiplied together.
1321309920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 1321309920:
25 × 3 × 5 × 7 × 393247
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 393247)See below for interesting mathematical facts about the number 1321309920 from the Numbermatics database.
Names of 1321309920
- Cardinal: 1321309920 can be written as One billion, three hundred twenty-one million, three hundred nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.32130992 × 109
Factors of 1321309920
Divisors of 1321309920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 393247 786494 1179741 1572988 1966235 2359482 2752729 3145976 3932470 4718964 5505458 5898705 6291952 7864940 8258187 9437928 11010916 11797410 12583904 13763645 15729880 16516374 18875856 22021832 23594820 27527290 31459760 33032748 37751712 41290935 44043664 47189640 55054580 62919520 66065496 82581870 88087328 94379280 110109160 132130992 165163740 188758560 220218320 264261984 330327480 440436640 660654960 1321309920
- Sum of all divisors σ(n): 4756727808
- Sum of proper divisors (its aliquot sum) s(n): 3435417888
- 1321309920 is an abundant number, because the sum of its proper divisors (3435417888) is greater than itself. Its abundance is 2114107968
Bases of 1321309920
- Binary: 10011101100000110010110111000002
- Hexadecimal: 0x4EC196E0
- Base-36: LUO99C
Squares and roots of 1321309920
- 1321309920 squared (13213099202) is 1745859904690406400
- 1321309920 cubed (13213099203) is 2306822010997688505151488000
-
The
square root of 1321309920 is 36349.8269596981 -
The
cube root of 1321309920 is 1097.3240520275
Scales and comparisons
How big is 1321309920?- 1,321,309,920 seconds is equal to 42 years, 4 days, 22 hours, 32 minutes.
-
To count from 1 to 1,321,309,920 would take you about eighty-four years!
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 1321309920 cubic inches would be around 91.4 feet tall.
Recreational maths with 1321309920
- 1321309920 backwards is 0299031231
- 1321309920 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1321309920's digits is 30
- More coming soon!
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The information we have on file for 1321309920 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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