61129920
61,129,920 is an even composite number composed of five prime numbers multiplied together.
61129920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 61129920:
26 × 3 × 5 × 37 × 1721
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 37 × 1721)See below for interesting mathematical facts about the number 61129920 from the Numbermatics database.
Names of 61129920
- Cardinal: 61129920 can be written as Sixty-one million, one hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 6.112992 × 107
Factors of 61129920
Divisors of 61129920
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 64 74 80 96 111 120 148 160 185 192 222 240 296 320 370 444 480 555 592 740 888 960 1110 1184 1480 1721 1776 2220 2368 2960 3442 3552 4440 5163 5920 6884 7104 8605 8880 10326 11840 13768 17210 17760 20652 25815 27536 34420 35520 41304 51630 55072 63677 68840 82608 103260 110144 127354 137680 165216 191031 206520 254708 275360 318385 330432 382062 413040 509416 550720 636770 764124 826080 955155 1018832 1273540 1528248 1652160 1910310 2037664 2547080 3056496 3820620 4075328 5094160 6112992 7641240 10188320 12225984 15282480 20376640 30564960 61129920
- Sum of all divisors σ(n): 199448928
- Sum of proper divisors (its aliquot sum) s(n): 138319008
- 61129920 is an abundant number, because the sum of its proper divisors (138319008) is greater than itself. Its abundance is 77189088
Bases of 61129920
- Binary: 111010010011000100110000002
- Hexadecimal: 0x3A4C4C0
- Base-36: 10E85C
Squares and roots of 61129920
- 61129920 squared (611299202) is 3736867119206400
- 61129920 cubed (611299203) is 228434388047717695488000
-
The
square root of 61129920 is 7818.5625277285 -
The
cube root of 61129920 is 393.9289899255
Scales and comparisons
How big is 61129920?- 61,129,920 seconds is equal to 1 year, 49 weeks, 12 hours, 32 minutes.
-
To count from 1 to 61,129,920 would take you about two 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 61129920 cubic inches would be around 32.8 feet tall.
Recreational maths with 61129920
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