31908045 is an odd 8-digits composite number following 31908044
and preceding 31908046 . In scientific notation, it is written as 3.1908045 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 15275520 positive integers (up to 31908045) that are relatively prime to 31908045.
31908045 has 32 divisors, whose sum is 55262592
The reverse of 31908045 is 54080913
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million nine hundred eight thousand forty-five
Scientific notation
3.1908045 × 10^7
Engineering notation
3.1908045 × 10^6
Prime Factorization
3 × 533 × 5 × 13 × 307
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31908045
Product of the distinct prime numbers
The prime factorization of 31908045 is 3 × 533 × 5 × 13 × 307.
Since it has a total of 5 prime factors.
5 , 2 , 21 , 56 , 148 , 40 , 5786 , 7022 , 89188 , 52387 , 5057 , 946343 , 4324214 , 2714131 , 89429874 , 10747767 , 574632707 , 756482299 , 2261223685 , 5336894783
n×2
63816090
n×3
95724135
n×4
127632180
n×5
159540225
n÷2
15954022.5
n÷3
10636015
n÷3
7977011.25
n÷5
6381609
n2
1018123335722025
n3
3.2486325211768E+22
n4
1.0365751267417E+30
n5
3.3075085789956E+37
2 √n
5648.7206516166
3 √n
317.17581558873
4 √n
75.15797131121
5 √n
31.679625516644
1 , 3 , 5 , 13 , 15 , 39 , 65 , 195 , 307 , 533 , 921 , 1535 , 1599 , 2665 , 3991 , 4605 , 6929 , 7995 , 11973 , 19955 , 20787 , 34645 , 59865 , 103935 , 163631 , 490893 , 818155 , 2127203 , 2454465 , 6381609 , 10636015 , 31908045
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31908044
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31908045 can be divided by 32 positive divisors.
The sum of these divisors (counting 31908045) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1111001101110000011001101
3
Ternary
2020001002121110
4
Quaternary
1321232003031
5
Quinary
31132024140
6
Senary
3055522233
8
Octal
171560315
10
Decimal
31908045
12
Duodecimal
a829379
16
Hexadecimal
1e6e0cd
20
Vigesimal
9j8a25
36
Base36
izwel
md5
8ad26c7ab57fce2314907f941a1fd20a
sha1
0561f9eaf8c111e0d846d9afc65de02f538be113
sha256
455c3496230a487adbf43db0ee910466386b8b71ab17d837a607917157217d74
sha512
7f924a61a2a53604f9495c60e93159a967096f9ecbb9087ac6f3b7ef0b08a055bcfd0ffc3796b7ce92405bc5f3decdca0e11db985ca00fe4ae77284af95e8b93
ripemd-160
5f0d47b335dccd4ac394d3cef472a9dba5d309b1
Diameter
63816090
Circumference
200484159.52483
Area
3.1985287919526E+15
Volume
1.3607840083656E+23
Surface area
1.2794115167811E+16
Circumference
200484159.52483
Perimeter
127632180
Area
1018123335722025
Diagonal
45124789.987811
Surface area
6108740014332150
Volume
3.2486325211768E+22
Space diagonal
55266355.110194
Perimeter
95724135
Area
4.4086033646051E+14
Altitude
27633177.555097
Surface area
4.4086033646051E+14
Volume
3.8285501421788E+21
Height
15041596.662604