389931216
389,931,216 is an even composite number composed of five prime numbers multiplied together.
389931216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 389931216:
24 × 3 × 29 × 373 × 751
(2 × 2 × 2 × 2 × 3 × 29 × 373 × 751)See below for interesting mathematical facts about the number 389931216 from the Numbermatics database.
Names of 389931216
- Cardinal: 389931216 can be written as Three hundred eighty-nine million, nine hundred thirty-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 3.89931216 × 108
Factors of 389931216
Divisors of 389931216
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 373 464 696 746 751 1119 1392 1492 1502 2238 2253 2984 3004 4476 4506 5968 6008 8952 9012 10817 12016 17904 18024 21634 21779 32451 36048 43268 43558 64902 65337 86536 87116 129804 130674 173072 174232 259608 261348 280123 348464 519216 522696 560246 840369 1045392 1120492 1680738 2240984 3361476 4481968 6722952 8123567 13445904 16247134 24370701 32494268 48741402 64988536 97482804 129977072 194965608 389931216
- Sum of all divisors σ(n): 1046242560
- Sum of proper divisors (its aliquot sum) s(n): 656311344
- 389931216 is an abundant number, because the sum of its proper divisors (656311344) is greater than itself. Its abundance is 266380128
Bases of 389931216
- Binary: 101110011110111100000110100002
- Hexadecimal: 0x173DE0D0
- Base-36: 6G5KUO
Squares and roots of 389931216
- 389931216 squared (3899312162) is 152046353211238656
- 389931216 cubed (3899312163) is 59287619396023794000285696
-
The
square root of 389931216 is 19746.6760747221 -
The
cube root of 389931216 is 730.5714022501
Scales and comparisons
How big is 389931216?- 389,931,216 seconds is equal to 12 years, 20 weeks, 5 days, 2 hours, 13 minutes, 36 seconds.
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To count from 1 to 389,931,216 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 389931216 cubic inches would be around 60.9 feet tall.
Recreational maths with 389931216
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