73138920
73,138,920 is an even composite number composed of five prime numbers multiplied together.
73138920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 73138920:
23 × 3 × 5 × 31 × 19661
(2 × 2 × 2 × 3 × 5 × 31 × 19661)See below for interesting mathematical facts about the number 73138920 from the Numbermatics database.
Names of 73138920
- Cardinal: 73138920 can be written as Seventy-three million, one hundred thirty-eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 7.313892 × 107
Factors of 73138920
Divisors of 73138920
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 19661 39322 58983 78644 98305 117966 157288 196610 235932 294915 393220 471864 589830 609491 786440 1179660 1218982 1828473 2359320 2437964 3047455 3656946 4875928 6094910 7313892 9142365 12189820 14627784 18284730 24379640 36569460 73138920
- Sum of all divisors σ(n): 226506240
- Sum of proper divisors (its aliquot sum) s(n): 153367320
- 73138920 is an abundant number, because the sum of its proper divisors (153367320) is greater than itself. Its abundance is 80228400
Bases of 73138920
- Binary: 1000101110000000010111010002
- Hexadecimal: 0x45C02E8
- Base-36: 17JMCO
Squares and roots of 73138920
- 73138920 squared (731389202) is 5349301618766400
- 73138920 cubed (731389203) is 391242143150826228288000
-
The
square root of 73138920 is 8552.1295593553 -
The
cube root of 73138920 is 418.1988629703
Scales and comparisons
How big is 73138920?- 73,138,920 seconds is equal to 2 years, 16 weeks, 6 days, 12 hours, 22 minutes.
-
To count from 1 to 73,138,920 would take you about three 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 73138920 cubic inches would be around 34.8 feet tall.
Recreational maths with 73138920
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