31308985 is an odd 8-digits composite number following 31308984
and preceding 31308986 . In scientific notation, it is written as 3.1308985 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 23482368 positive integers (up to 31308985) that are relatively prime to 31308985.
31308985 has 16 divisors, whose sum is 39935376
The reverse of 31308985 is 58980313
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million three hundred eight thousand nine hundred eighty-five
Scientific notation
3.1308985 × 10^7
Engineering notation
3.1308985 × 10^6
Prime Factorization
5 × 17 × 337 × 1093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31308985
Product of the distinct prime numbers
The prime factorization of 31308985 is 5 × 17 × 337 × 1093.
Since it has a total of 4 prime factors.
3 , 1 , 93 , 24 , 313 , 198 , 8457 , 2708 , 56312 , 42608 , 214482 , 303832 , 4695969 , 8974543 , 64018834 , 25167582 , 718420045 , 303073772 , 3844232882 , 1543186903
n×2
62617970
n×3
93926955
n×4
125235940
n×5
156544925
n÷2
15654492.5
n÷3
10436328.333333
n÷3
7827246.25
n÷5
6261797
n2
980252541730225
n3
3.0690712125243E+22
n4
9.6089504556857E+29
n5
3.0084648568281E+37
2 √n
5595.4432353478
3 √n
315.17831509818
4 √n
74.802695374885
5 √n
31.559767688521
1 , 5 , 17 , 85 , 337 , 1093 , 1685 , 5465 , 5729 , 18581 , 28645 , 92905 , 368341 , 1841705 , 6261797 , 31308985
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
-31308984
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 31308985 can be divided by 16 positive divisors.
The sum of these divisors (counting 31308985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111011011110010111001
3
Ternary
2011220122212001
4
Quaternary
1313123302321
5
Quinary
31003341420
6
Senary
3035021001
8
Octal
167336271
10
Decimal
31308985
12
Duodecimal
a59a761
16
Hexadecimal
1ddbcb9
20
Vigesimal
9fdc95
36
Base36
in261
md5
5afe4a6416e0bf2256900c59761e678a
sha1
65a04be45c59d45247bd83305a7181a9594b3e82
sha256
713f341a534593c659734d2a03c92002483213ec20e4f6ddcfe9eab0958955f9
sha512
61b94f451b43802cc29edfe5d2e6b5d0898bededdfe16235966e79f34dbb60aa810f154967f515af0463f6d0cb54c852dc6e9e51c131db354058678e71bb2646
ripemd-160
7f0782593c7c9b9b81bae18a33ba709dcbfca38f
Diameter
62617970
Circumference
196720154.53471
Area
3.0795541837624E+15
Volume
1.2855695432814E+23
Surface area
1.231821673505E+16
Circumference
196720154.53471
Perimeter
125235940
Area
980252541730225
Diagonal
44277591.211136
Surface area
5881515250381350
Volume
3.0690712125243E+22
Space diagonal
54228752.753412
Perimeter
93926955
Area
4.2446180163132E+14
Altitude
27114376.376706
Surface area
4.2446180163132E+14
Volume
3.616935110534E+21
Height
14759197.070379