1389809680
1,389,809,680 is an even composite number composed of five prime numbers multiplied together.
1389809680 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 1389809680:
24 × 5 × 7 × 1487 × 1669
(2 × 2 × 2 × 2 × 5 × 7 × 1487 × 1669)See below for interesting mathematical facts about the number 1389809680 from the Numbermatics database.
Names of 1389809680
- Cardinal: 1389809680 can be written as One billion, three hundred eighty-nine million, eight hundred nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.38980968 × 109
Factors of 1389809680
Divisors of 1389809680
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 1487 1669 2974 3338 5948 6676 7435 8345 10409 11683 11896 13352 14870 16690 20818 23366 23792 26704 29740 33380 41636 46732 52045 58415 59480 66760 83272 93464 104090 116830 118960 133520 166544 186928 208180 233660 416360 467320 832720 934640 2481803 4963606 9927212 12409015 17372621 19854424 24818030 34745242 39708848 49636060 69490484 86863105 99272120 138980968 173726210 198544240 277961936 347452420 694904840 1389809680
- Sum of all divisors σ(n): 3697620480
- Sum of proper divisors (its aliquot sum) s(n): 2307810800
- 1389809680 is an abundant number, because the sum of its proper divisors (2307810800) is greater than itself. Its abundance is 918001120
Bases of 1389809680
- Binary: 10100101101011011010000000100002
- Hexadecimal: 0x52D6D010
- Base-36: MZGG0G
Squares and roots of 1389809680
- 1389809680 squared (13898096802) is 1931570946621702400
- 1389809680 cubed (13898096803) is 2684515999221605293599232000
-
The
square root of 1389809680 is 37280.1512872467 -
The
cube root of 1389809680 is 1115.9680921663
Scales and comparisons
How big is 1389809680?- 1,389,809,680 seconds is equal to 44 years, 9 weeks, 6 days, 18 hours, 14 minutes, 40 seconds.
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To count from 1 to 1,389,809,680 would take you about eighty-eight 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 1389809680 cubic inches would be around 93 feet tall.
Recreational maths with 1389809680
- 1389809680 backwards is 0869089831
- The number of decimal digits it has is: 10
- The sum of 1389809680's digits is 52
- More coming soon!
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