1389899742
1,389,899,742 is an even composite number composed of seven prime numbers multiplied together.
1389899742 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 1389899742:
2 × 3 × 7 × 11 × 19 × 191 × 829
See below for interesting mathematical facts about the number 1389899742 from the Numbermatics database.
Names of 1389899742
- Cardinal: 1389899742 can be written as One billion, three hundred eighty-nine million, eight hundred ninety-nine thousand, seven hundred forty-two.
Scientific notation
- Scientific notation: 1.389899742 × 109
Factors of 1389899742
Divisors of 1389899742
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 6 7 11 14 19 21 22 33 38 42 57 66 77 114 133 154 191 209 231 266 382 399 418 462 573 627 798 829 1146 1254 1337 1463 1658 2101 2487 2674 2926 3629 4011 4202 4389 4974 5803 6303 7258 8022 8778 9119 10887 11606 12606 14707 15751 17409 18238 21774 25403 27357 29414 31502 34818 39919 44121 47253 50806 54714 63833 76209 79838 88242 94506 110257 119757 127666 152418 158339 173261 191499 220514 239514 279433 316678 330771 346522 382998 475017 519783 558866 661542 838299 950034 1039566 1108373 1212827 1676598 1741729 2216746 2425654 3008441 3325119 3483458 3638481 5225187 6016882 6650238 7276962 9025323 10450374 12192103 18050646 21059087 24384206 33092851 36576309 42118174 63177261 66185702 73152618 99278553 126354522 198557106 231649957 463299914 694949871 1389899742
- Sum of all divisors σ(n): 3671654400
- Sum of proper divisors (its aliquot sum) s(n): 2281754658
- 1389899742 is an abundant number, because the sum of its proper divisors (2281754658) is greater than itself. Its abundance is 891854916
Bases of 1389899742
- Binary: 10100101101100000101111110111102
- Hexadecimal: 0x52D82FDE
- Base-36: MZIDI6
Squares and roots of 1389899742
- 1389899742 squared (13898997422) is 1931821292811666564
- 1389899742 cubed (13898997423) is 2685037916469041811893626488
-
The
square root of 1389899742 is 37281.3591758669 -
The
cube root of 1389899742 is 1115.9921971809
Scales and comparisons
How big is 1389899742?- 1,389,899,742 seconds is equal to 44 years, 10 weeks, 19 hours, 15 minutes, 42 seconds.
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To count from 1 to 1,389,899,742 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 1389899742 cubic inches would be around 93 feet tall.
Recreational maths with 1389899742
- 1389899742 backwards is 2479989831
- The number of decimal digits it has is: 10
- The sum of 1389899742's digits is 60
- More coming soon!
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