389972512
389,972,512 is an even composite number composed of four prime numbers multiplied together.
389972512 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 389972512:
25 × 29 × 61 × 832
(2 × 2 × 2 × 2 × 2 × 29 × 61 × 83 × 83)See below for interesting mathematical facts about the number 389972512 from the Numbermatics database.
Names of 389972512
- Cardinal: 389972512 can be written as Three hundred eighty-nine million, nine hundred seventy-two thousand, five hundred twelve.
Scientific notation
- Scientific notation: 3.89972512 × 108
Factors of 389972512
Divisors of 389972512
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 8 16 29 32 58 61 83 116 122 166 232 244 332 464 488 664 928 976 1328 1769 1952 2407 2656 3538 4814 5063 6889 7076 9628 10126 13778 14152 19256 20252 27556 28304 38512 40504 55112 56608 77024 81008 110224 146827 162016 199781 220448 293654 399562 420229 587308 799124 840458 1174616 1598248 1680916 2349232 3196496 3361832 4698464 6392992 6723664 12186641 13447328 24373282 48746564 97493128 194986256 389972512
- Sum of all divisors σ(n): 817096140
- Sum of proper divisors (its aliquot sum) s(n): 427123628
- 389972512 is an abundant number, because the sum of its proper divisors (427123628) is greater than itself. Its abundance is 37151116
Bases of 389972512
- Binary: 101110011111010000010001000002
- Hexadecimal: 0x173E8220
- Base-36: 6G6GPS
Squares and roots of 389972512
- 389972512 squared (3899725122) is 152078560115590144
- 389972512 cubed (3899725123) is 59306458109619698818121728
-
The
square root of 389972512 is 19747.7216913749 -
The
cube root of 389972512 is 730.5971919367
Scales and comparisons
How big is 389972512?- 389,972,512 seconds is equal to 12 years, 20 weeks, 5 days, 13 hours, 41 minutes, 52 seconds.
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To count from 1 to 389,972,512 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 389972512 cubic inches would be around 60.9 feet tall.
Recreational maths with 389972512
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