31968789 is an odd 8-digits composite number following 31968788
and preceding 31968790 . In scientific notation, it is written as 3.1968789 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 19630592 positive integers (up to 31968789) that are relatively prime to 31968789.
31968789 has 16 divisors, whose sum is 46096128
The reverse of 31968789 is 98786913
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
thirty-one million nine hundred sixty-eight thousand seven hundred eighty-nine
Scientific notation
3.1968789 × 10^7
Engineering notation
3.1968789 × 10^6
Prime Factorization
3 × 17 × 47 × 13337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31968789
Product of the distinct prime numbers
The prime factorization of 31968789 is 3 × 17 × 47 × 13337.
Since it has a total of 4 prime factors.
9 , 6 , 50 , 90 , 774 , 745 , 5077 , 1919 , 32573 , 90250 , 983478 , 904208 , 9874242 , 2236808 , 9742057 , 23341029 , 9719035 , 789373179 , 8526366075 , 6027928705
n×2
63937578
n×3
95906367
n×4
127875156
n×5
159843945
n÷2
15984394.5
n÷3
10656263
n÷3
7992197.25
n÷5
6393757.8
n2
1022003470126521
n3
3.2672213293743E+22
n4
1.0444910929507E+30
n5
3.3391115362919E+37
2 √n
5654.0948877782
3 √n
317.37695937163
4 √n
75.193715746585
5 √n
31.691678172808
1 , 3 , 17 , 47 , 51 , 141 , 799 , 2397 , 13337 , 40011 , 226729 , 626839 , 680187 , 1880517 , 10656263 , 31968789
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
-31968788
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 31968789 can be divided by 16 positive divisors.
The sum of these divisors (counting 31968789) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111001111100111000010101
3
Ternary
2020011011221020
4
Quaternary
1321330320111
5
Quinary
31141000124
6
Senary
3101111353
8
Octal
171747025
10
Decimal
31968789
12
Duodecimal
a858559
16
Hexadecimal
1e7ce15
20
Vigesimal
9jg1j9
36
Base36
j179x
md5
efeb9fc08e2799ca3cdefea3576840fd
sha1
d82a3234c92e2c5a81d2c0e4238ebb6faec9fcf9
sha256
f10b70e6f89e62f9176f12c92793c5ea81a5404ff5690e1fc666490c24786692
sha512
fd6e3fe375cfa60a16f5c22c14145cc3ad27304000d0d4113a5653e2c2d9267ff74216bd82aa45ea345d2036d6003e59f596a53acebf03d1f3fa52dab610f368
ripemd-160
6ed1ee2e91d935930250096992bf5f41f8c14e24
Diameter
63937578
Circumference
200865825.33312
Area
3.2107185936928E+15
Volume
1.3685704701352E+23
Surface area
1.2842874374771E+16
Circumference
200865825.33312
Perimeter
127875156
Area
1022003470126521
Diagonal
45210694.976444
Surface area
6132020820759126
Volume
3.2672213293743E+22
Space diagonal
55371566.804449
Perimeter
95906367
Area
4.4254048394271E+14
Altitude
27685783.402225
Surface area
4.4254048394271E+14
Volume
3.8504572627298E+21
Height
15070231.658815