123438813138
123,438,813,138 is an even composite number composed of five prime numbers multiplied together.
123438813138 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 123438813138:
2 × 33 × 31 × 79 × 933403
(2 × 3 × 3 × 3 × 31 × 79 × 933403)See below for interesting mathematical facts about the number 123438813138 from the Numbermatics database.
Names of 123438813138
- Cardinal: 123438813138 can be written as One hundred twenty-three billion, four hundred thirty-eight million, eight hundred thirteen thousand, one hundred thirty-eight.
Scientific notation
- Scientific notation: 1.23438813138 × 1011
Factors of 123438813138
Divisors of 123438813138
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 6 9 18 27 31 54 62 79 93 158 186 237 279 474 558 711 837 1422 1674 2133 2449 4266 4898 7347 14694 22041 44082 66123 132246 933403 1866806 2800209 5600418 8400627 16801254 25201881 28935493 50403762 57870986 73738837 86806479 147477674 173612958 221216511 260419437 442433022 520838874 663649533 781258311 1327299066 1562516622 1990948599 2285903947 3981897198 4571807894 6857711841 13715423682 20573135523 41146271046 61719406569 123438813138
- Sum of all divisors σ(n): 286741708800
- Sum of proper divisors (its aliquot sum) s(n): 163302895662
- 123438813138 is an abundant number, because the sum of its proper divisors (163302895662) is greater than itself. Its abundance is 39864082524
Bases of 123438813138
- Binary: 11100101111011000011011001111110100102
- Hexadecimal: 0x1CBD86CFD2
- Base-36: 1KPGA5SI
Squares and roots of 123438813138
- 123438813138 squared (1234388131382) is 15237140588918081407044
- 123438813138 cubed (1234388131383) is 1880854549912894324393576432944072
-
The
square root of 123438813138 is 351338.6018330465 -
The
cube root of 123438813138 is 4979.0969091099
Scales and comparisons
How big is 123438813138?- 123,438,813,138 seconds is equal to 3,924 years, 50 weeks, 3 days, 23 hours, 12 minutes, 18 seconds.
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To count from 1 to 123,438,813,138 would take you about seven thousand, eight hundred forty-nine 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 123438813138 cubic inches would be around 414.9 feet tall.
Recreational maths with 123438813138
- 123438813138 backwards is 831318834321
- The number of decimal digits it has is: 12
- The sum of 123438813138's digits is 45
- More coming soon!
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