31389085 is an odd 8-digits composite number following 31389084
and preceding 31389086 . In scientific notation, it is written as 3.1389085 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 19692288 positive integers (up to 31389085) that are relatively prime to 31389085.
31389085 has 16 divisors, whose sum is 36748800
The reverse of 31389085 is 58098313
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million three hundred eighty-nine thousand eighty-five
Scientific notation
3.1389085 × 10^7
Engineering notation
3.1389085 × 10^6
Prime Factorization
65 × 7 × 149 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31389085
Product of the distinct prime numbers
The prime factorization of 31389085 is 65 × 7 × 149 × 463.
Since it has a total of 4 prime factors.
1 , 6 , 86 , 97 , 727 , 158 , 6524 , 7905 , 59328 , 48496 , 703518 , 656352 , 5825274 , 7385027 , 30908011 , 12483072 , 446894639 , 515463843 , 2700400349 , 4556213157
n×2
62778170
n×3
94167255
n×4
125556340
n×5
156945425
n÷2
15694542.5
n÷3
10463028.333333
n÷3
7847271.25
n÷5
6277817
n2
985274657137225
n3
3.0926869961226E+22
n4
9.7076614999688E+29
n5
3.0471461197375E+37
2 √n
5602.5962731577
3 √n
315.44686723242
4 √n
74.850492805042
5 √n
31.575899507519
1 , 7 , 65 , 149 , 455 , 463 , 1043 , 3241 , 9685 , 30095 , 67795 , 68987 , 210665 , 482909 , 4484155 , 31389085
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
-31389084
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 31389085 can be divided by 16 positive divisors.
The sum of these divisors (counting 31389085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111101111010110011101
3
Ternary
2012001201201201
4
Quaternary
1313233112131
5
Quinary
31013422320
6
Senary
3040435501
8
Octal
167572635
10
Decimal
31389085
12
Duodecimal
a618b91
16
Hexadecimal
1def59d
20
Vigesimal
9g3ce5
36
Base36
iorz1
md5
44ccf7488b212a4d69428eae0f559f5e
sha1
28c94567ae85677221a4ec89b2c45b0226193577
sha256
6bf18477aad93ffb8244c497c9923f4cc6cb3b6d199d42ae790351d872d8a42c
sha512
81654b90cc31c34615b64267b476caa237507776f9035bea3dfab3c2ffa5e2c44fbfeccec4ca95bcffc193e969fc18678ca3fa00483f49c45fb0d98c8ef7353a
ripemd-160
e9fb50ff697904b967ad51ccaa4794b1731f4a07
Diameter
62778170
Circumference
197223437.67781
Area
3.0953316246305E+15
Volume
1.2954616995829E+23
Surface area
1.2381326498522E+16
Circumference
197223437.67781
Perimeter
125556340
Area
985274657137225
Diagonal
44390869.717482
Surface area
5911647942823350
Volume
3.0926869961226E+22
Space diagonal
54367490.023098
Perimeter
94167255
Area
4.2663644139292E+14
Altitude
27183745.011549
Surface area
4.2663644139292E+14
Volume
3.6447665784096E+21
Height
14796956.572494