31304985 is an odd 8-digits composite number following 31304984
and preceding 31304986 . In scientific notation, it is written as 3.1304985 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 16594688 positive integers (up to 31304985) that are relatively prime to 31304985.
31304985 has 8 divisors, whose sum is 33594624
The reverse of 31304985 is 58940313
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty-one million three hundred four thousand nine hundred eighty-five
Scientific notation
3.1304985 × 10^7
Engineering notation
3.1304985 × 10^6
Prime Factorization
15 × 167 × 12497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31304985
Product of the distinct prime numbers
The prime factorization of 31304985 is 15 × 167 × 12497.
Since it has a total of 3 prime factors.
5 , 4 , 19 , 25 , 144 , 412 , 2672 , 2671 , 97660 , 91793 , 765916 , 490628 , 6900936 , 7851785 , 39708605 , 99704396 , 897668474 , 503800329 , 7707962016 , 3696026993
n×2
62609970
n×3
93914955
n×4
125219940
n×5
156524925
n÷2
15652492.5
n÷3
10434995
n÷3
7826246.25
n÷5
6260997
n2
980002085850225
n3
3.067895059751E+22
n4
9.6040408827079E+29
n5
3.0065435577256E+37
2 √n
5595.085790227
3 √n
315.16489225323
4 √n
74.800306083779
5 √n
31.558961239366
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31304984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31304985 can be divided by 8 positive divisors.
The sum of these divisors (counting 31304985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111011010110100011001
3
Ternary
2011220110100220
4
Quaternary
1313122310121
5
Quinary
31003224420
6
Senary
3034550253
8
Octal
167326431
10
Decimal
31304985
12
Duodecimal
a598389
16
Hexadecimal
1ddad19
20
Vigesimal
9fd295
36
Base36
imz2x
md5
22ab6a737109817563ec90f44aab822c
sha1
e110d70d40ac3b98dc34df20ac2192abc3542cd2
sha256
03239e17e3dd53570b3ffd02fca3eb3799bf07ee92d53da403826c95c00d17d2
sha512
cb2e3d662fc0100d4da1cdd96e7dbb1684b4b17ce9776864cf9040fa3455ba26607ad1438348efceedc87f8c28b352bd7862db588b5d9f48317859209130eb3e
ripemd-160
d26f067798ce28881d568b491dc70a0340421e14
Diameter
62609970
Circumference
196695021.79348
Area
3.0787673534097E+15
Volume
1.2850768775598E+23
Surface area
1.2315069413639E+16
Circumference
196695021.79348
Perimeter
125219940
Area
980002085850225
Diagonal
44271934.356886
Surface area
5880012515101350
Volume
3.067895059751E+22
Space diagonal
54221824.550182
Perimeter
93914955
Area
4.2435335105402E+14
Altitude
27110912.275091
Surface area
4.2435335105402E+14
Volume
3.6155490011977E+21
Height
14757311.452295