399945138384
399,945,138,384 is an even composite number composed of five prime numbers multiplied together.
399945138384 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 399945138384:
24 × 3 × 11 × 839 × 902827
(2 × 2 × 2 × 2 × 3 × 11 × 839 × 902827)See below for interesting mathematical facts about the number 399945138384 from the Numbermatics database.
Names of 399945138384
- Cardinal: 399945138384 can be written as Three hundred ninety-nine billion, nine hundred forty-five million, one hundred thirty-eight thousand, three hundred eighty-four.
Scientific notation
- Scientific notation: 3.99945138384 × 1011
Factors of 399945138384
Divisors of 399945138384
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 839 1678 2517 3356 5034 6712 9229 10068 13424 18458 20136 27687 36916 40272 55374 73832 110748 147664 221496 442992 902827 1805654 2708481 3611308 5416962 7222616 9931097 10833924 14445232 19862194 21667848 29793291 39724388 43335696 59586582 79448776 119173164 158897552 238346328 476692656 757471853 1514943706 2272415559 3029887412 4544831118 6059774824 8332190383 9089662236 12119549648 16664380766 18179324472 24996571149 33328761532 36358648944 49993142298 66657523064 99986284596 133315046128 199972569192 399945138384
- Sum of all divisors σ(n): 1128462773760
- Sum of proper divisors (its aliquot sum) s(n): 728517635376
- 399945138384 is an abundant number, because the sum of its proper divisors (728517635376) is greater than itself. Its abundance is 328572496992
Bases of 399945138384
- Binary: 1011101000111101001011010000000110100002
- Hexadecimal: 0x5D1E9680D0
- Base-36: 53QD0BTC
Squares and roots of 399945138384
- 399945138384 squared (3999451383842) is 159956113716996910131456
- 399945138384 cubed (3999451383843) is 63973670035911169835425581551407104
-
The
square root of 399945138384 is 632412.1586307461 -
The
cube root of 399945138384 is 7367.7261286771
Scales and comparisons
How big is 399945138384?- 399,945,138,384 seconds is equal to 12,717 years, 6 days, 15 hours, 46 minutes, 24 seconds.
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To count from 1 to 399,945,138,384 would take you about twenty-five thousand, four hundred thirty-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 399945138384 cubic inches would be around 614 feet tall.
Recreational maths with 399945138384
- 399945138384 backwards is 483831549993
- 399945138384 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 399945138384's digits is 66
- More coming soon!
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