138691492492
138,691,492,492 is an even composite number composed of six prime numbers multiplied together.
138691492492 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138691492492:
22 × 7 × 37 × 67 × 127 × 15733
(2 × 2 × 7 × 37 × 67 × 127 × 15733)See below for interesting mathematical facts about the number 138691492492 from the Numbermatics database.
Names of 138691492492
- Cardinal: 138691492492 can be written as One hundred thirty-eight billion, six hundred ninety-one million, four hundred ninety-two thousand, four hundred ninety-two.
Scientific notation
- Scientific notation: 1.38691492492 × 1011
Factors of 138691492492
Divisors of 138691492492
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 7 14 28 37 67 74 127 134 148 254 259 268 469 508 518 889 938 1036 1778 1876 2479 3556 4699 4958 8509 9398 9916 15733 17018 17353 18796 31466 32893 34036 34706 59563 62932 65786 69412 110131 119126 131572 220262 238252 314833 440524 582121 629666 1054111 1164242 1259332 1998091 2108222 2203831 2328484 3996182 4074847 4216444 4407662 7378777 7992364 8149694 8815324 13986637 14757554 16299388 27973274 29515108 39002107 55946548 73929367 78004214 133872097 147858734 156008428 267744194 273014749 295717468 517505569 535488388 546029498 937104679 1035011138 1092058996 1874209358 2070022276 3748418716 4953267589 9906535178 19813070356 34672873123 69345746246 138691492492
- Sum of all divisors σ(n): 291426910208
- Sum of proper divisors (its aliquot sum) s(n): 152735417716
- 138691492492 is an abundant number, because the sum of its proper divisors (152735417716) is greater than itself. Its abundance is 14043925224
Bases of 138691492492
- Binary: 100000010010101010100000111010100011002
- Hexadecimal: 0x204AA83A8C
- Base-36: 1RPPC0I4
Squares and roots of 138691492492
- 138691492492 squared (1386914924922) is 19235330089658492370064
- 138691492492 cubed (1386914924923) is 2667776638711012481386770541559488
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The
square root of 138691492492 is 372413.0670263867 -
The
cube root of 138691492492 is 5176.2662540201
Scales and comparisons
How big is 138691492492?- 138,691,492,492 seconds is equal to 4,409 years, 49 weeks, 6 days, 14 hours, 34 minutes, 52 seconds.
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To count from 1 to 138,691,492,492 would take you about eight thousand, eight hundred nineteen 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 138691492492 cubic inches would be around 431.4 feet tall.
Recreational maths with 138691492492
- 138691492492 backwards is 294294196831
- The number of decimal digits it has is: 12
- The sum of 138691492492's digits is 58
- More coming soon!
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