31914891 is an odd 8-digits composite number following 31914890
and preceding 31914892 . In scientific notation, it is written as 3.1914891 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 21275136 positive integers (up to 31914891) that are relatively prime to 31914891.
31914891 has 16 divisors, whose sum is 47868320
The reverse of 31914891 is 19841913
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty-one million nine hundred fourteen thousand eight hundred ninety-one
Scientific notation
3.1914891 × 10^7
Engineering notation
3.1914891 × 10^6
Prime Factorization
9 × 3 × 9 × 9 × 14593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
394011
Product of the distinct prime numbers
The prime factorization of 31914891 is 9 × 3 × 9 × 9 × 14593.
Since it has a total of 5 prime factors.
5 , 6 , 20 , 13 , 740 , 392 , 8523 , 145 , 89960 , 89199 , 185833 , 476257 , 9746355 , 8070180 , 69067508 , 38240067 , 526296884 , 146941814 , 7269969685 , 732533674
n×2
63829782
n×3
95744673
n×4
127659564
n×5
159574455
n÷2
15957445.5
n÷3
10638297
n÷3
7978722.75
n÷5
6382978.2
n2
1018560267541881
n3
3.250723991553E+22
n4
1.037465018615E+30
n5
3.311058298541E+37
2 √n
5649.3265970379
3 √n
317.19849775096
4 √n
75.162002348513
5 √n
31.680984798329
1 , 3 , 9 , 27 , 81 , 243 , 729 , 2187 , 14593 , 43779 , 131337 , 394011 , 1182033 , 3546099 , 10638297 , 31914891
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
-31914890
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 31914891 can be divided by 16 positive divisors.
The sum of these divisors (counting 31914891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111001101111101110001011
3
Ternary
2020001110000000
4
Quaternary
1321233232023
5
Quinary
31132234031
6
Senary
3100014043
8
Octal
171575613
10
Decimal
31914891
12
Duodecimal
a831323
16
Hexadecimal
1e6fb8b
20
Vigesimal
9j974b
36
Base36
j01or
md5
41d64d97cd47e2039a9ea2faf0cf223f
sha1
a617ab8f39cf39232a8c00987490d6a63be39612
sha256
0611320e30b2ad3a469c02aa2a0711752a52106416cccc4f1ceb7aa8480d7d4f
sha512
304926601ddd6cb0e521f40591dc69299ea036507a8e7fa13bb22a0f968a11857f81e6307e4c0170cbc64320c69b9e03a91b476b6fe55d98de2cb3cbf94ea21e
ripemd-160
0a288a74ae3f0fbfa5a9e0dffc6566d27547e1c8
Diameter
63829782
Circumference
200527174.21144
Area
3.199901453748E+15
Volume
1.3616600814281E+23
Surface area
1.2799605814992E+16
Circumference
200527174.21144
Perimeter
127659564
Area
1018560267541881
Diagonal
45134471.693859
Surface area
6111361605251286
Volume
3.250723991553E+22
Space diagonal
55278212.730023
Perimeter
95744673
Area
4.4104953348837E+14
Altitude
27639106.365011
Surface area
4.4104953348837E+14
Volume
3.8310149636549E+21
Height
15044823.897953