31493894 is an even 8-digits composite number following 31493893
and preceding 31493895 . In scientific notation, it is written as 3.1493894 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 14785152 positive integers (up to 31493894) that are relatively prime to 31493894.
31493894 has 16 divisors, whose sum is 50139648
The reverse of 31493894 is 49839413
Previous prime number is 557
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirty-one million four hundred ninety-three thousand eight hundred ninety-four
Scientific notation
3.1493894 × 10^7
Engineering notation
3.1493894 × 10^6
Prime Factorization
2 × 17 × 557 × 1663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31493894
Product of the distinct prime numbers
The prime factorization of 31493894 is 2 × 17 × 557 × 1663.
Since it has a total of 4 prime factors.
3 , 8 , 66 , 100 , 195 , 865 , 589 , 7748 , 48882 , 27458 , 126843 , 347886 , 278522 , 3507640 , 51607594 , 61645796 , 416282836 , 452588102 , 3438614560 , 7764271051
n×2
62987788
n×3
94481682
n×4
125975576
n×5
157469470
n÷2
15746947
n÷3
10497964.666667
n÷3
7873473.5
n÷5
6298778.8
n2
991865359283236
n3
3.1237702487538E+22
n4
9.8379689094606E+29
n5
3.0983595000985E+37
2 √n
5611.9420880832
3 √n
315.79757237807
4 √n
74.912896673959
5 √n
31.596957956113
1 , 2 , 17 , 34 , 557 , 1114 , 1663 , 3326 , 9469 , 18938 , 28271 , 56542 , 926291 , 1852582 , 15746947 , 31493894
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
-31493893
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 31493894 can be divided by 16 positive divisors.
The sum of these divisors (counting 31493894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001000111100000110
3
Ternary
2012021001111112
4
Quaternary
1320020330012
5
Quinary
31030301034
6
Senary
3043005022
8
Octal
170107406
10
Decimal
31493894
12
Duodecimal
a669772
16
Hexadecimal
1e08f06
20
Vigesimal
9ggeee
36
Base36
ir0ue
md5
95a5e0cad0b79212736c2ade7917e797
sha1
e386f61b9661576052613dfa495b8487b362697e
sha256
919eb538ea08c4d75928f5b3a72a8f6e6ddbbd4a9131f7534257b5c041039e38
sha512
74f31759838348a014d58b884f1a74f72cc5288fba1e218d3927d690836cf478a80e9ccd2dd2528ee64d1be97fdcd80c4ff0710fbbaacae80148c0c0b5352660
ripemd-160
3b5d78ab15353a8093777dd5666f9e7337a84efa
Diameter
62987788
Circumference
197881972.04667
Area
3.1160369260744E+15
Volume
1.3084818219983E+23
Surface area
1.2464147704298E+16
Circumference
197881972.04667
Perimeter
125975576
Area
991865359283236
Diagonal
44539092.026741
Surface area
5951192155699416
Volume
3.1237702487538E+22
Space diagonal
54549024.536189
Perimeter
94481682
Area
4.2949029913653E+14
Altitude
27274512.268094
Surface area
4.2949029913653E+14
Volume
3.6813985429377E+21
Height
14846364.008914