31121431 is an odd 8-digits composite number following 31121430
and preceding 31121432 . In scientific notation, it is written as 3.1121431 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors.
There are 27565120 positive integers (up to 31121431) that are relatively prime to 31121431.
31121431 has 16 divisors, whose sum is 34836480
The reverse of 31121431 is 13412113
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
thirty-one million one hundred twenty-one thousand four hundred thirty-one
Scientific notation
3.1121431 × 10^7
Engineering notation
3.1121431 × 10^6
Prime Factorization
89 × 11 × 83 × 383
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31121431
Product of the distinct prime numbers
The prime factorization of 31121431 is 89 × 11 × 83 × 383.
Since it has a total of 4 prime factors.
5 , 2 , 23 , 13 , 292 , 32 , 9676 , 1146 , 97730 , 36041 , 206325 , 594986 , 7081602 , 9433075 , 82585729 , 90160942 , 523399779 , 845015496 , 8436509985 , 6439579591
n×2
62242862
n×3
93364293
n×4
124485724
n×5
155607155
n÷2
15560715.5
n÷3
10373810.333333
n÷3
7780357.75
n÷5
6224286.2
n2
968543467487761
n3
3.0142458693921E+22
n4
9.3807644841322E+29
n5
2.9194281462017E+37
2 √n
5578.6585305071
3 √n
314.54770394642
4 √n
74.690417929659
5 √n
31.521865500585
1 , 11 , 83 , 89 , 383 , 913 , 979 , 4213 , 7387 , 31789 , 34087 , 81257 , 349679 , 374957 , 2829221 , 31121431
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
-31121430
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 31121431 can be divided by 16 positive divisors.
The sum of these divisors (counting 31121431) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101110000000010111
3
Ternary
2011120010120121
4
Quaternary
1312232000113
5
Quinary
30431341211
6
Senary
3031012411
8
Octal
166560027
10
Decimal
31121431
12
Duodecimal
a50a107
16
Hexadecimal
1dae017
20
Vigesimal
9ea3bb
36
Base36
ij1g7
md5
92c82366f9a971477c90e93855cd5867
sha1
c3b113c0168a365104bfa471f6267bf56ae0bf41
sha256
757a221f551d8e19d834601ce7d961eba4b1adb61c6dfa3ec47e734e816edb29
sha512
81b3bc94836eaa12e854b1eceb2899fbe9d6637fabb9a335431e1a9ca993d852042e74111b02e2f72cc0f74093a1671dd59db81e34861a5c4223335a6e5476df
ripemd-160
c204fb46628ddeb61b0fc9e9d663575e40e79ebc
Diameter
62242862
Circumference
195541717.9976
Area
3.0427690421419E+15
Volume
1.2626043572528E+23
Surface area
1.2171076168568E+16
Circumference
195541717.9976
Perimeter
124485724
Area
968543467487761
Diagonal
44012349.800658
Surface area
5811260804926566
Volume
3.0142458693921E+22
Space diagonal
53903899.696249
Perimeter
93364293
Area
4.1939162375693E+14
Altitude
26951949.848125
Surface area
4.1939162375693E+14
Volume
3.5523228240178E+21
Height
14670783.266886