389977042
389,977,042 is an even composite number composed of six prime numbers multiplied together.
389977042 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 389977042:
2 × 7 × 13 × 17 × 241 × 523
See below for interesting mathematical facts about the number 389977042 from the Numbermatics database.
Names of 389977042
- Cardinal: 389977042 can be written as Three hundred eighty-nine million, nine hundred seventy-seven thousand and forty-two.
Scientific notation
- Scientific notation: 3.89977042 × 108
Factors of 389977042
Divisors of 389977042
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 7 13 14 17 26 34 91 119 182 221 238 241 442 482 523 1046 1547 1687 3094 3133 3374 3661 4097 6266 6799 7322 8194 8891 13598 17782 21931 28679 43862 47593 53261 57358 62237 95186 106522 115583 124474 126043 231166 252086 372827 745654 809081 882301 1618162 1638559 1764602 2142731 3277118 4285462 11469913 14999117 22939826 27855503 29998234 55711006 194988521 389977042
- Sum of all divisors σ(n): 766934784
- Sum of proper divisors (its aliquot sum) s(n): 376957742
- 389977042 is a deficient number, because the sum of its proper divisors (376957742) is less than itself. Its deficiency is 13019300
Bases of 389977042
- Binary: 101110011111010010011110100102
- Hexadecimal: 0x173E93D2
- Base-36: 6G6K7M
Squares and roots of 389977042
- 389977042 squared (3899770422) is 152082093287069764
- 389977042 cubed (3899770423) is 59308524881259523412358088
-
The
square root of 389977042 is 19747.8363878173 -
The
cube root of 389977042 is 730.6000208477
Scales and comparisons
How big is 389977042?- 389,977,042 seconds is equal to 12 years, 20 weeks, 5 days, 14 hours, 57 minutes, 22 seconds.
-
To count from 1 to 389,977,042 would take you about eighteen 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 389977042 cubic inches would be around 60.9 feet tall.
Recreational maths with 389977042
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