31493868 is an even 8-digits composite number following 31493867
and preceding 31493869 . In scientific notation, it is written as 3.1493868 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 8521632 positive integers (up to 31493868) that are relatively prime to 31493868.
31493868 has 24 divisors, whose sum is 58430400
The reverse of 31493868 is 86839413
Previous prime number is 19
Is Prime? no Number parity even Number length 8 Sum of Digits 42 Digital Root 6
Name
thirty-one million four hundred ninety-three thousand eight hundred sixty-eight
Scientific notation
3.1493868 × 10^7
Engineering notation
3.1493868 × 10^6
Prime Factorization
2 × 2 × 147 × 19 × 2819
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
15746934 Product of the distinct prime numbers
The prime factorization of 31493868 is 2 × 2 × 147 × 19 × 2819.
Since it has a total of 5 prime factors.
2 , 7 , 20 , 18 , 157 , 796 , 3542 , 8030 , 33354 , 54022 , 580923 , 805811 , 969359 , 6922686 , 94396442 , 56804570 , 528001657 , 506885536 , 8966362197 , 8728248933
n×2
62987736
n×3
94481604
n×4
125975472
n×5
157469340
n÷2
15746934
n÷3
10497956
n÷3
7873467
n÷5
6298773.6
n2
991863721601424
n3
3.1237625122104E+22
n4
9.8379364222903E+29
n5
3.09834671076E+37
2 √n5611.9397715941
3 √n315.7974854751
4 √n74.91288121274
5 √n31.596952739094
1 , 2 , 4 , 19 , 38 , 76 , 147 , 294 , 588 , 2793 , 2819 , 5586 , 5638 , 11172 , 11276 , 53561 , 107122 , 214244 , 414393 , 828786 , 1657572 , 7873467 , 15746934 , 31493868
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-31493867 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31493868 can be divided by 24 positive divisors.
The sum of these divisors (counting 31493868) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111000001000111011101100
3
Ternary
2012021001110120
4
Quaternary
1320020323230
5
Quinary
31030300433
6
Senary
3043004540
8
Octal
170107354
10
Decimal
31493868
12
Duodecimal
a669750
16
Hexadecimal
1e08eec
20
Vigesimal
9gged8
36
Base36
ir0to
md5
13d568d6431a59e79542c6297252e6c9
sha1
8a45ae50d253c6ec917b70c527304c1e7831de1e
sha256
e60feff350dfa9e95d395f0acd79004f3ad7d8ceaa8f7d90826c214f083d5f45
sha512
67e8faca8ba1c3cebf29f1139b74113ed74f510f747b3e928f66aee04d737f98be4ff5c19117bccdae39d6468652a870d189fefb0a6bf1ee3f09a4f2aed49fe6
ripemd-160
afd12fee61cc3d031327a9fd7223e6403d293117
Diameter
62987736
Circumference
197881808.68385
Area
3.1160317811453E+15
Volume
1.3084785813226E+23
Surface area
1.2464127124581E+16
Circumference
197881808.68385
Perimeter
125975472
Area
991863721601424
Diagonal
44539055.257188
Surface area
5951182329608544
Volume
3.1237625122104E+22
Space diagonal
54548979.502868
Perimeter
94481604
Area
4.294895899995E+14
Altitude
27274489.751434
Surface area
4.294895899995E+14
Volume
3.6813894253338E+21
Height
14846351.752396