7142718872
7,142,718,872 is an even composite number composed of five prime numbers multiplied together.
7142718872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 7142718872:
23 × 37 × 61 × 73 × 5419
(2 × 2 × 2 × 37 × 61 × 73 × 5419)See below for interesting mathematical facts about the number 7142718872 from the Numbermatics database.
Names of 7142718872
- Cardinal: 7142718872 can be written as Seven billion, one hundred forty-two million, seven hundred eighteen thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 7.142718872 × 109
Factors of 7142718872
Divisors of 7142718872
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 8 37 61 73 74 122 146 148 244 292 296 488 584 2257 2701 4453 4514 5402 5419 8906 9028 10804 10838 17812 18056 21608 21676 35624 43352 164761 200503 329522 330559 395587 401006 659044 661118 791174 802012 1318088 1322236 1582348 1604024 2644472 3164696 12230683 14636719 24130807 24461366 29273438 48261614 48922732 58546876 96523228 97845464 117093752 193046456 892839859 1785679718 3571359436 7142718872
- Sum of all divisors σ(n): 14174167200
- Sum of proper divisors (its aliquot sum) s(n): 7031448328
- 7142718872 is a deficient number, because the sum of its proper divisors (7031448328) is less than itself. Its deficiency is 111270544
Bases of 7142718872
- Binary: 1101010011011110100111101100110002
- Hexadecimal: 0x1A9BD3D98
- Base-36: 3A4L95K
Squares and roots of 7142718872
- 7142718872 squared (71427188722) is 51018432884424952384
- 7142718872 cubed (71427188723) is 364410323383447502260898190848
-
The
square root of 7142718872 is 84514.6074474703 -
The
cube root of 7142718872 is 1925.8443586135
Scales and comparisons
How big is 7142718872?- 7,142,718,872 seconds is equal to 227 years, 6 weeks, 8 hours, 34 minutes, 32 seconds.
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To count from 1 to 7,142,718,872 would take you about four hundred fifty-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 7142718872 cubic inches would be around 160.5 feet tall.
Recreational maths with 7142718872
- 7142718872 backwards is 2788172417
- The number of decimal digits it has is: 10
- The sum of 7142718872's digits is 47
- More coming soon!
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