1380939920
1,380,939,920 is an even composite number composed of five prime numbers multiplied together.
1380939920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 1380939920:
24 × 5 × 17 × 929 × 1093
(2 × 2 × 2 × 2 × 5 × 17 × 929 × 1093)See below for interesting mathematical facts about the number 1380939920 from the Numbermatics database.
Names of 1380939920
- Cardinal: 1380939920 can be written as One billion, three hundred eighty million, nine hundred thirty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.38093992 × 109
Factors of 1380939920
Divisors of 1380939920
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 929 1093 1360 1858 2186 3716 4372 4645 5465 7432 8744 9290 10930 14864 15793 17488 18580 18581 21860 31586 37160 37162 43720 63172 74320 74324 78965 87440 92905 126344 148648 157930 185810 252688 297296 315860 371620 631720 743240 1015397 1263440 1486480 2030794 4061588 5076985 8123176 10153970 16246352 17261749 20307940 34523498 40615880 69046996 81231760 86308745 138093992 172617490 276187984 345234980 690469960 1380939920
- Sum of all divisors σ(n): 3406322160
- Sum of proper divisors (its aliquot sum) s(n): 2025382240
- 1380939920 is an abundant number, because the sum of its proper divisors (2025382240) is greater than itself. Its abundance is 644442320
Bases of 1380939920
- Binary: 10100100100111101111000100100002
- Hexadecimal: 0x524F7890
- Base-36: MU6C28
Squares and roots of 1380939920
- 1380939920 squared (13809399202) is 1906995062649606400
- 1380939920 cubed (13809399203) is 2633445609255742450047488000
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The
square root of 1380939920 is 37160.9999865451 -
The
cube root of 1380939920 is 1113.5889891415
Scales and comparisons
How big is 1380939920?- 1,380,939,920 seconds is equal to 43 years, 47 weeks, 2 days, 2 hours, 25 minutes, 20 seconds.
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To count from 1 to 1,380,939,920 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 1380939920 cubic inches would be around 92.8 feet tall.
Recreational maths with 1380939920
- 1380939920 backwards is 0299390831
- The number of decimal digits it has is: 10
- The sum of 1380939920's digits is 44
- More coming soon!
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