1381997920
1,381,997,920 is an even composite number composed of four prime numbers multiplied together.
1381997920 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 1381997920:
25 × 5 × 1092 × 727
(2 × 2 × 2 × 2 × 2 × 5 × 109 × 109 × 727)See below for interesting mathematical facts about the number 1381997920 from the Numbermatics database.
Names of 1381997920
- Cardinal: 1381997920 can be written as One billion, three hundred eighty-one million, nine hundred ninety-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.38199792 × 109
Factors of 1381997920
Divisors of 1381997920
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 80 109 160 218 436 545 727 872 1090 1454 1744 2180 2908 3488 3635 4360 5816 7270 8720 11632 11881 14540 17440 23264 23762 29080 47524 58160 59405 79243 95048 116320 118810 158486 190096 237620 316972 380192 396215 475240 633944 792430 950480 1267888 1584860 1900960 2535776 3169720 6339440 8637487 12678880 17274974 34549948 43187435 69099896 86374870 138199792 172749740 276399584 345499480 690998960 1381997920
- Sum of all divisors σ(n): 3299731344
- Sum of proper divisors (its aliquot sum) s(n): 1917733424
- 1381997920 is an abundant number, because the sum of its proper divisors (1917733424) is greater than itself. Its abundance is 535735504
Bases of 1381997920
- Binary: 10100100101111110011101011000002
- Hexadecimal: 0x525F9D60
- Base-36: MUT0F4
Squares and roots of 1381997920
- 1381997920 squared (13819979202) is 1909918250884326400
- 1381997920 cubed (13819979203) is 2639503050092177245401088000
-
The
square root of 1381997920 is 37175.2326152777 -
The
cube root of 1381997920 is 1113.8733066985
Scales and comparisons
How big is 1381997920?- 1,381,997,920 seconds is equal to 43 years, 49 weeks, 8 hours, 18 minutes, 40 seconds.
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To count from 1 to 1,381,997,920 would take you about eighty-seven 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 1381997920 cubic inches would be around 92.8 feet tall.
Recreational maths with 1381997920
- 1381997920 backwards is 0297991831
- The number of decimal digits it has is: 10
- The sum of 1381997920's digits is 49
- More coming soon!
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The information we have on file for 1381997920 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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