31307212 is an even 8-digits composite number following 31307211
and preceding 31307213 . In scientific notation, it is written as 3.1307212 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 14829696 positive integers (up to 31307212) that are relatively prime to 31307212.
31307212 has 12 divisors, whose sum is 57671320
The reverse of 31307212 is 21270313
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
thirty-one million three hundred seven thousand two hundred twelve
Scientific notation
3.1307212 × 10^7
Engineering notation
3.1307212 × 10^6
Prime Factorization
2 × 2 × 19 × 411937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15653606
Product of the distinct prime numbers
The prime factorization of 31307212 is 2 × 2 × 19 × 411937.
Since it has a total of 4 prime factors.
8 , 8 , 5 , 41 , 313 , 92 , 8224 , 7513 , 54282 , 42179 , 183166 , 764263 , 5220560 , 4676572 , 55275609 , 37722152 , 880843904 , 424514159 , 2712715585 , 3945447949
n×2
62614424
n×3
93921636
n×4
125228848
n×5
156536060
n÷2
15653606
n÷3
10435737.333333
n÷3
7826803
n÷5
6261442.4
n2
980141523212944
n3
3.0685498457231E+22
n4
9.6067740552619E+29
n5
3.0076131198418E+37
2 √n
5595.2848006156
3 √n
315.17236556323
4 √n
74.801636349853
5 √n
31.559410240104
1 , 2 , 4 , 19 , 38 , 76 , 411937 , 823874 , 1647748 , 7826803 , 15653606 , 31307212
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31307211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31307212 can be divided by 12 positive divisors.
The sum of these divisors (counting 31307212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111011011010111001100
3
Ternary
2011220120102101
4
Quaternary
1313123113030
5
Quinary
31003312322
6
Senary
3035004444
8
Octal
167332714
10
Decimal
31307212
12
Duodecimal
a599724
16
Hexadecimal
1ddb5cc
20
Vigesimal
9fd80c
36
Base36
in0ss
md5
d89e3acd372519b15202ecd68a479204
sha1
3393ab3a221fb262d40de0545902f93e3e85c680
sha256
a39679cdcc035ece5b2bebd75c834ebb8661b9c533ee862e5fb30547e65d4650
sha512
293fcdadac0d4662ba1078e849a092fbb5fd15c9e744e05e2df8254d3dd2d650e4d004eb8e239351ea47304e97e68c2ab1a53b7ae40e3469187b2fdc88c0b393
ripemd-160
6a7b5d95b4fa1fb7024a280ad353a47bc947761b
Diameter
62614424
Circumference
196709014.44716
Area
3.0792054088041E+15
Volume
1.2853511536664E+23
Surface area
1.2316821635216E+16
Circumference
196709014.44716
Perimeter
125228848
Area
980141523212944
Diagonal
44275083.81049
Surface area
5880849139277664
Volume
3.0685498457231E+22
Space diagonal
54225681.82733
Perimeter
93921636
Area
4.2441372920319E+14
Altitude
27112840.913665
Surface area
4.2441372920319E+14
Volume
3.6163206738662E+21
Height
14758361.270163