31494768 is an even 8-digits composite number following 31494767
and preceding 31494769 . In scientific notation, it is written as 3.1494768 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 10498240 positive integers (up to 31494768) that are relatively prime to 31494768.
31494768 has 20 divisors, whose sum is 81361608
The reverse of 31494768 is 86749413
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty-one million four hundred ninety-four thousand seven hundred sixty-eight
Scientific notation
3.1494768 × 10^7
Engineering notation
3.1494768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 656141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3936846
Product of the distinct prime numbers
The prime factorization of 31494768 is 2 × 2 × 2 × 2 × 3 × 656141.
Since it has a total of 6 prime factors.
7 , 1 , 30 , 25 , 927 , 458 , 1561 , 1217 , 70384 , 15222 , 397393 , 556613 , 7746129 , 9747085 , 58315779 , 90814806 , 918467823 , 897908953 , 4775858847 , 4099821279
n×2
62989536
n×3
94484304
n×4
125979072
n×5
157473840
n÷2
15747384
n÷3
10498256
n÷3
7873692
n÷5
6298953.6
n2
991920411373824
n3
3.1240303230683E+22
n4
9.8390610250002E+29
n5
3.0987894432022E+37
2 √n
5612.019957199
3 √n
315.80049362713
4 √n
74.913416403199
5 √n
31.597133326201
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 656141 , 1312282 , 1968423 , 2624564 , 3936846 , 5249128 , 7873692 , 10498256 , 15747384 , 31494768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31494767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31494768 can be divided by 20 positive divisors.
The sum of these divisors (counting 31494768) is 1, the average is 0.05.
Base
System
Value
2
Binary
1111000001001001001110000
3
Ternary
2012021002200220
4
Quaternary
1320021021300
5
Quinary
31030313033
6
Senary
3043013040
8
Octal
170111160
10
Decimal
31494768
12
Duodecimal
a66a180
16
Hexadecimal
1e09270
20
Vigesimal
9gggi8
36
Base36
ir1io
md5
955824775e117af81ac1a1ea9e455da2
sha1
371cb003615d2db6ddce14e265609308903b6608
sha256
a337997ee1f05d24dada5d52e8bdfcbf84c0442c2f38239c547be45697237354
sha512
fb311042b024d3aec77f476337deaa6cc762a4e53180129d1776c54d34c1cab26955fec9bc200856db91dacaf246f2071b2d5df40cb32a6a35c0062758b0443f
ripemd-160
a0937b8aa11f14bdf9ad9b6ce9769a33adff074d
Diameter
62989536
Circumference
197887463.55063
Area
3.1162098773178E+15
Volume
1.3085907616724E+23
Surface area
1.2464839509271E+16
Circumference
197887463.55063
Perimeter
125979072
Area
991920411373824
Diagonal
44540328.049394
Surface area
5951522468242944
Volume
3.1240303230683E+22
Space diagonal
54550538.348594
Perimeter
94484304
Area
4.2951413739102E+14
Altitude
27275269.174297
Surface area
4.2951413739102E+14
Volume
3.6817050434567E+21
Height
14846776.016465