31139909 is an odd 8-digits composite number following 31139908
and preceding 31139910 . In scientific notation, it is written as 3.1139909 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 31103916 positive integers (up to 31139909) that are relatively prime to 31139909.
31139909 has 4 divisors, whose sum is 31175904
The reverse of 31139909 is 90993113
Previous prime number is 887
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirty-one million one hundred thirty-nine thousand nine hundred nine
Scientific notation
3.1139909 × 10^7
Engineering notation
3.1139909 × 10^6
Prime Factorization
887 × 35107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31139909
Product of the distinct prime numbers
The prime factorization of 31139909 is 887 × 35107.
Since it has a total of 2 prime factors.
7 , 1 , 1 , 6 , 252 , 545 , 7515 , 4718 , 40235 , 29167 , 332497 , 4852 , 3234651 , 8408471 , 54660792 , 24882854 , 883787339 , 142848931 , 2859917270 , 5604879944
n×2
62279818
n×3
93419727
n×4
124559636
n×5
155699545
n÷2
15569954.5
n÷3
10379969.666667
n÷3
7784977.25
n÷5
6227981.8
n2
969693932528281
n3
3.0196180816783E+22
n4
9.4030632278216E+29
n5
2.9281053323561E+37
2 √n
5580.314417665
3 √n
314.60994468487
4 √n
74.701502111169
5 √n
31.525607762617
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31139908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31139909 can be divided by 4 positive divisors.
The sum of these divisors (counting 31139909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110110010100001000101
3
Ternary
2011121001220222
4
Quaternary
1312302201011
5
Quinary
30432434114
6
Senary
3031234125
8
Octal
166624105
10
Decimal
31139909
12
Duodecimal
a518945
16
Hexadecimal
1db2845
20
Vigesimal
9ec9f9
36
Base36
ijfph
md5
4a046a3d4ff0766eef42125071997626
sha1
1a0f7d71c23a070b61100c8e99930e086e2b0ec1
sha256
69ffc166d0b116f0c07e8c296f9d737ea8079130cf41e72459688bb9f482931f
sha512
3efa95f453a05484e6861b8b167f49d3c961a14d0109f3bab88cd78f27cf4eec12ad500d869427402d367c3ce566239486c780e07d4563a7c5e3d588779dfc95
ripemd-160
4685b75ba2d515c744d2642b37ea307ffff84955
Diameter
62279818
Circumference
195657818.69571
Area
3.0463833346614E+15
Volume
1.264854664273E+23
Surface area
1.2185533338646E+16
Circumference
195657818.69571
Perimeter
124559636
Area
969693932528281
Diagonal
44038481.638864
Surface area
5818163595169686
Volume
3.0196180816783E+22
Space diagonal
53935904.531071
Perimeter
93419727
Area
4.1988978973256E+14
Altitude
26967952.265536
Surface area
4.1988978973256E+14
Volume
3.5586540369137E+21
Height
14679493.879621