389977120
389,977,120 is an even composite number composed of four prime numbers multiplied together.
389977120 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 389977120:
25 × 5 × 13 × 4332
(2 × 2 × 2 × 2 × 2 × 5 × 13 × 433 × 433)See below for interesting mathematical facts about the number 389977120 from the Numbermatics database.
Names of 389977120
- Cardinal: 389977120 can be written as Three hundred eighty-nine million, nine hundred seventy-seven thousand, one hundred twenty.
Scientific notation
- Scientific notation: 3.8997712 × 108
Factors of 389977120
Divisors of 389977120
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 433 520 866 1040 1732 2080 2165 3464 4330 5629 6928 8660 11258 13856 17320 22516 28145 34640 45032 56290 69280 90064 112580 180128 187489 225160 374978 450320 749956 900640 937445 1499912 1874890 2437357 2999824 3749780 4874714 5999648 7499560 9749428 12186785 14999120 19498856 24373570 29998240 38997712 48747140 77995424 97494280 194988560 389977120
- Sum of all divisors σ(n): 994488516
- Sum of proper divisors (its aliquot sum) s(n): 604511396
- 389977120 is an abundant number, because the sum of its proper divisors (604511396) is greater than itself. Its abundance is 214534276
Bases of 389977120
- Binary: 101110011111010010100001000002
- Hexadecimal: 0x173E9420
- Base-36: 6G6K9S
Squares and roots of 389977120
- 389977120 squared (3899771202) is 152082154123494400
- 389977120 cubed (3899771203) is 59308560468476470448128000
-
The
square root of 389977120 is 19747.8383627171 -
The
cube root of 389977120 is 730.6000695573
Scales and comparisons
How big is 389977120?- 389,977,120 seconds is equal to 12 years, 20 weeks, 5 days, 14 hours, 58 minutes, 40 seconds.
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To count from 1 to 389,977,120 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 389977120 cubic inches would be around 60.9 feet tall.
Recreational maths with 389977120
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