389156481
389,156,481 is an odd composite number composed of four prime numbers multiplied together.
389156481 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 389156481:
35 × 74 × 23 × 29
(3 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 7 × 23 × 29)See below for interesting mathematical facts about the number 389156481 from the Numbermatics database.
Names of 389156481
- Cardinal: 389156481 can be written as Three hundred eighty-nine million, one hundred fifty-six thousand, four hundred eighty-one.
Scientific notation
- Scientific notation: 3.89156481 × 108
Factors of 389156481
Divisors of 389156481
- Number of divisors d(n): 120
-
Complete list of divisors:
1 3 7 9 21 23 27 29 49 63 69 81 87 147 161 189 203 207 243 261 343 441 483 567 609 621 667 783 1029 1127 1323 1421 1449 1701 1827 1863 2001 2349 2401 3087 3381 3969 4263 4347 4669 5481 5589 6003 7047 7203 7889 9261 9947 10143 11907 12789 13041 14007 16443 18009 21609 23667 27783 29841 30429 32683 38367 39123 42021 49329 54027 55223 64827 69629 71001 83349 89523 91287 98049 115101 126063 162081 165669 194481 208887 213003 228781 268569 273861 294147 345303 378189 497007 583443 626661 639009 686343 805707 882441 1134567 1491021 1601467 1879983 1917027 2059029 2417121 2647323 4473063 4804401 5639949 6177087 7941969 13419189 14413203 16919847 18531261 43239609 55593783 129718827 389156481
- Sum of all divisors σ(n): 734086080
- Sum of proper divisors (its aliquot sum) s(n): 344929599
- 389156481 is a deficient number, because the sum of its proper divisors (344929599) is less than itself. Its deficiency is 44226882
Bases of 389156481
- Binary: 101110011001000001110100000012
- Hexadecimal: 0x17320E81
- Base-36: 6FOZ29
Squares and roots of 389156481
- 389156481 squared (3891564812) is 151442766704303361
- 389156481 cubed (3891564813) is 58934934163550663523232641
-
The
square root of 389156481 is 19727.0494752763 -
The
cube root of 389156481 is 730.0872360875
Scales and comparisons
How big is 389156481?- 389,156,481 seconds is equal to 12 years, 19 weeks, 3 days, 3 hours, 1 minute, 21 seconds.
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To count from 1 to 389,156,481 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 389156481 cubic inches would be around 60.8 feet tall.
Recreational maths with 389156481
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