31139912 is an even 8-digits composite number following 31139911
and preceding 31139913 . In scientific notation, it is written as 3.1139912 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 15207696 positive integers (up to 31139912) that are relatively prime to 31139912.
31139912 has 16 divisors, whose sum is 59745840
The reverse of 31139912 is 21993113
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million one hundred thirty-nine thousand nine hundred twelve
Scientific notation
3.1139912 × 10^7
Engineering notation
3.1139912 × 10^6
Prime Factorization
2 × 2 × 2 × 43 × 90523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7784978
Product of the distinct prime numbers
The prime factorization of 31139912 is 2 × 2 × 2 × 43 × 90523.
Since it has a total of 5 prime factors.
4 , 9 , 18 , 9 , 326 , 126 , 9939 , 8593 , 67198 , 91063 , 126289 , 736860 , 6012166 , 5929361 , 40418885 , 55240258 , 291833398 , 250034199 , 408291243 , 6165245246
n×2
62279824
n×3
93419736
n×4
124559648
n×5
155699560
n÷2
15569956
n÷3
10379970.666667
n÷3
7784978
n÷5
6227982.4
n2
969694119367744
n3
3.0196189544029E+22
n4
9.4030668513638E+29
n5
2.9281067428159E+37
2 √n
5580.3146864671
3 √n
314.60995478798
4 √n
74.701503910343
5 √n
31.525608370048
1 , 2 , 4 , 8 , 43 , 86 , 172 , 344 , 90523 , 181046 , 362092 , 724184 , 3892489 , 7784978 , 15569956 , 31139912
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31139911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31139912 can be divided by 16 positive divisors.
The sum of these divisors (counting 31139912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110110010100001001000
3
Ternary
2011121001221002
4
Quaternary
1312302201020
5
Quinary
30432434122
6
Senary
3031234132
8
Octal
166624110
10
Decimal
31139912
12
Duodecimal
a518948
16
Hexadecimal
1db2848
20
Vigesimal
9ec9fc
36
Base36
ijfpk
md5
f58dbd25254c2a94361d5b4749e5f0d2
sha1
0b1b78059f7faa7738ab477466b259d1b5a7fc26
sha256
7c1e1ff3c48046bbdb7836b2e862ee4dea4161ac3432b195f05d11431699a1d3
sha512
d1806decd2a4e23640ed90db9cd044f2058d2276b69c47ba304f33c3060ae00c4bef85d5afac4f736ff19f560094d10398a0d83894628520dcbc869d8eb72539
ripemd-160
63c1ed48fa94f62b3926383de45965deb71f886b
Diameter
62279824
Circumference
195657837.54527
Area
3.0463839216349E+15
Volume
1.264855029839E+23
Surface area
1.218553568654E+16
Circumference
195657837.54527
Perimeter
124559648
Area
969694119367744
Diagonal
44038485.881505
Surface area
5818164716206464
Volume
3.0196189544029E+22
Space diagonal
53935909.727224
Perimeter
93419736
Area
4.1988987063642E+14
Altitude
26967954.863612
Surface area
4.1988987063642E+14
Volume
3.5586550654295E+21
Height
14679495.293835