138490479240
138,490,479,240 is an even composite number composed of five prime numbers multiplied together.
138490479240 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 138490479240:
23 × 3 × 5 × 8191 × 140897
(2 × 2 × 2 × 3 × 5 × 8191 × 140897)See below for interesting mathematical facts about the number 138490479240 from the Numbermatics database.
Names of 138490479240
- Cardinal: 138490479240 can be written as One hundred thirty-eight billion, four hundred ninety million, four hundred seventy-nine thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.3849047924 × 1011
Factors of 138490479240
Divisors of 138490479240
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 8191 16382 24573 32764 40955 49146 65528 81910 98292 122865 140897 163820 196584 245730 281794 327640 422691 491460 563588 704485 845382 982920 1127176 1408970 1690764 2113455 2817940 3381528 4226910 5635880 8453820 16907640 1154087327 2308174654 3462261981 4616349308 5770436635 6924523962 9232698616 11540873270 13849047924 17311309905 23081746540 27698095848 34622619810 46163493080 69245239620 138490479240
- Sum of all divisors σ(n): 415525109760
- Sum of proper divisors (its aliquot sum) s(n): 277034630520
- 138490479240 is an abundant number, because the sum of its proper divisors (277034630520) is greater than itself. Its abundance is 138544151280
Bases of 138490479240
- Binary: 100000001111101010110100000010100010002
- Hexadecimal: 0x203EAD0288
- Base-36: 1RMDNLOO
Squares and roots of 138490479240
- 138490479240 squared (1384904792402) is 19179612840124870977600
- 138490479240 cubed (1384904792403) is 2656193773866550883130991305024000
-
The
square root of 138490479240 is 372143.0897383425 -
The
cube root of 138490479240 is 5173.7642952163
Scales and comparisons
How big is 138490479240?- 138,490,479,240 seconds is equal to 4,403 years, 29 weeks, 4 days, 1 hour, 34 minutes.
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To count from 1 to 138,490,479,240 would take you about eight thousand, eight hundred seven 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 138490479240 cubic inches would be around 431.1 feet tall.
Recreational maths with 138490479240
- 138490479240 backwards is 042974094831
- The number of decimal digits it has is: 12
- The sum of 138490479240's digits is 51
- More coming soon!
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