31369989 is an odd 8-digits composite number following 31369988
and preceding 31369990 . In scientific notation, it is written as 3.1369989 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 17750448 positive integers (up to 31369989) that are relatively prime to 31369989.
31369989 has 8 divisors, whose sum is 33185152
The reverse of 31369989 is 98996313
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
thirty-one million three hundred sixty-nine thousand nine hundred eighty-nine
Scientific notation
3.1369989 × 10^7
Engineering notation
3.1369989 × 10^6
Prime Factorization
21 × 103 × 14503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31369989
Product of the distinct prime numbers
The prime factorization of 31369989 is 21 × 103 × 14503.
Since it has a total of 3 prime factors.
10 , 3 , 57 , 73 , 638 , 39 , 9318 , 5992 , 48903 , 8238 , 261750 , 847138 , 7227958 , 4072036 , 27780311 , 62916153 , 935750917 , 911896771 , 8114293450 , 9388226300
n×2
62739978
n×3
94109967
n×4
125479956
n×5
156849945
n÷2
15684994.5
n÷3
10456663
n÷3
7842497.25
n÷5
6273997.8
n2
984076209860121
n3
3.0870459878474E+22
n4
9.6840598681266E+29
n5
3.0378885153847E+37
2 √n
5600.8918039898
3 √n
315.38288538077
4 √n
74.839106114316
5 √n
31.572056642003
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
-31369988
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 31369989 can be divided by 8 positive divisors.
The sum of these divisors (counting 31369989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111101010101100000101
3
Ternary
2012000202112110
4
Quaternary
1313222230011
5
Quinary
31012314424
6
Senary
3040211233
8
Octal
167525405
10
Decimal
31369989
12
Duodecimal
a609b19
16
Hexadecimal
1deab05
20
Vigesimal
9g14j9
36
Base36
iod8l
md5
ccaeb96e88b56fd3d2249b8d32c0f362
sha1
801fc597ece058956c001ad3fbfe45232b24017f
sha256
7c6f622857ced54ef51434e5afdcc4a688551b2fc5f2d2bf2d536cc4a8a605f6
sha512
edfa13ec517c8339815841f60477de4a7389f9e5ce67528b49b455ab4fa54ca2a41604da65fac5463605c619881ad3b0256f41c00ad41e2a4fcbda17afad1abe
ripemd-160
e9799a7328cb4e18a54e5dbcf75a82d5937e3fb5
Diameter
62739978
Circumference
197103453.97119
Area
3.091566591469E+15
Volume
1.293098799562E+23
Surface area
1.2366266365876E+16
Circumference
197103453.97119
Perimeter
125479956
Area
984076209860121
Diagonal
44363863.895295
Surface area
5904457259160726
Volume
3.0870459878474E+22
Space diagonal
54334414.780877
Perimeter
94109967
Area
4.2611749849939E+14
Altitude
27167207.390438
Surface area
4.2611749849939E+14
Volume
3.6381185864027E+21
Height
14787954.631765