31393485 is an odd 8-digits composite number following 31393484
and preceding 31393486 . In scientific notation, it is written as 3.1393485 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 16679040 positive integers (up to 31393485) that are relatively prime to 31393485.
31393485 has 16 divisors, whose sum is 42018480
The reverse of 31393485 is 58439313
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty-one million three hundred ninety-three thousand four hundred eighty-five
Scientific notation
3.1393485 × 10^7
Engineering notation
3.1393485 × 10^6
Prime Factorization
5 × 9 × 293 × 2381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31393485
Product of the distinct prime numbers
The prime factorization of 31393485 is 5 × 9 × 293 × 2381.
Since it has a total of 4 prime factors.
7 , 1 , 50 , 36 , 544 , 380 , 8919 , 7152 , 95269 , 55179 , 992349 , 272967 , 6654460 , 1022696 , 95837289 , 59552176 , 829152488 , 724467511 , 1230660177 , 4983016555
n×2
62786970
n×3
94180455
n×4
125573940
n×5
156967425
n÷2
15696742.5
n÷3
10464495
n÷3
7848371.25
n÷5
6278697
n2
985550900445225
n3
3.0939877409864E+22
n4
9.7131057736839E+29
n5
3.0492824040956E+37
2 √n
5602.9889344884
3 √n
315.46160591592
4 √n
74.853115729998
5 √n
31.576784695273
1 , 5 , 9 , 45 , 293 , 1465 , 2381 , 2637 , 11905 , 13185 , 21429 , 107145 , 697633 , 3488165 , 6278697 , 31393485
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
-31393484
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 31393485 can be divided by 16 positive divisors.
The sum of these divisors (counting 31393485) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111110000011011001101
3
Ternary
2012001221202200
4
Quaternary
1313300123031
5
Quinary
31014042420
6
Senary
3040512113
8
Octal
167603315
10
Decimal
31393485
12
Duodecimal
a61b639
16
Hexadecimal
1df06cd
20
Vigesimal
9g43e5
36
Base36
iovd9
md5
efed2381176e77d77f6bf772fc28ab22
sha1
35f015ef8256387c80da8029f717b16cd32ea066
sha256
22778d3bf332806dd7e4cb1a9c8f57fa648e63dcac6eacaf31b4e5cf6a596432
sha512
f0225b80b580fc3bcd11101517a31efa63552a1bf2e0c3577ef0f2783d2db03c41cdbac3c339f4b10d3d416312d85af610f8f9adf611eb4da5cebcf520ceb819
ripemd-160
c5fc04c7376c43f9ff4426f3d2ab6870dc6e57f7
Diameter
62786970
Circumference
197251083.69316
Area
3.0961994685775E+15
Volume
1.2960065543173E+23
Surface area
1.238479787431E+16
Circumference
197251083.69316
Perimeter
125573940
Area
985550900445225
Diagonal
44397092.257156
Surface area
5913305402671350
Volume
3.0939877409864E+22
Space diagonal
54375111.046651
Perimeter
94180455
Area
4.267560582541E+14
Altitude
27187555.523326
Surface area
4.267560582541E+14
Volume
3.6462995209325E+21
Height
14799030.752385