142906491
142,906,491 is an odd composite number composed of four prime numbers multiplied together.
142906491 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 142906491:
33 × 73 × 13 × 1187
(3 × 3 × 3 × 7 × 7 × 7 × 13 × 1187)See below for interesting mathematical facts about the number 142906491 from the Numbermatics database.
Names of 142906491
- Cardinal: 142906491 can be written as One hundred forty-two million, nine hundred six thousand, four hundred ninety-one.
Scientific notation
- Scientific notation: 1.42906491 × 108
Factors of 142906491
Divisors of 142906491
- Number of divisors d(n): 64
-
Complete list of divisors:
1 3 7 9 13 21 27 39 49 63 91 117 147 189 273 343 351 441 637 819 1029 1187 1323 1911 2457 3087 3561 4459 5733 8309 9261 10683 13377 15431 17199 24927 32049 40131 46293 58163 74781 108017 120393 138879 174489 224343 324051 407141 416637 523467 756119 972153 1221423 1570401 2268357 2916459 3664269 5292833 6805071 10992807 15878499 20415213 47635497 142906491
- Sum of all divisors σ(n): 266112000
- Sum of proper divisors (its aliquot sum) s(n): 123205509
- 142906491 is a deficient number, because the sum of its proper divisors (123205509) is less than itself. Its deficiency is 19700982
Bases of 142906491
- Binary: 10001000010010010100011110112
- Hexadecimal: 0x884947B
- Base-36: 2D2ZCR
Squares and roots of 142906491
- 142906491 squared (1429064912) is 20422265169933081
- 142906491 cubed (1429064913) is 2918474253706655310528771
-
The
square root of 142906491 is 11954.3502960219 -
The
cube root of 142906491 is 522.8181449587
Scales and comparisons
How big is 142906491?- 142,906,491 seconds is equal to 4 years, 28 weeks, 2 days, 14 minutes, 51 seconds.
-
To count from 1 to 142,906,491 would take you about six 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 142906491 cubic inches would be around 43.6 feet tall.
Recreational maths with 142906491
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