31190989 is an odd 8-digits composite number following 31190988
and preceding 31190990 . In scientific notation, it is written as 3.1190989 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 29549340 positive integers (up to 31190989) that are relatively prime to 31190989.
31190989 has 4 divisors, whose sum is 32832640
The reverse of 31190989 is 98909113
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
thirty-one million one hundred ninety thousand nine hundred eighty-nine
Scientific notation
3.1190989 × 10^7
Engineering notation
3.1190989 × 10^6
Prime Factorization
19 × 1641631
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31190989
Product of the distinct prime numbers
The prime factorization of 31190989 is 19 × 1641631.
Since it has a total of 2 prime factors.
8 , 4 , 81 , 74 , 719 , 906 , 9162 , 1826 , 96151 , 91023 , 312922 , 431134 , 9305257 , 4015030 , 69803377 , 55582564 , 409018097 , 427004103 , 1580962800 , 5229971727
n×2
62381978
n×3
93572967
n×4
124763956
n×5
155954945
n÷2
15595494.5
n÷3
10396996.333333
n÷3
7797747.25
n÷5
6238197.8
n2
972877794798121
n3
3.0345020595892E+22
n4
9.4649120361125E+29
n5
2.9521996720435E+37
2 √n
5584.8893453676
3 √n
314.78187300868
4 √n
74.73211722792
5 √n
31.53594351851
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31190988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31190989 can be divided by 4 positive divisors.
The sum of these divisors (counting 31190989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110111110111111001101
3
Ternary
2011200122222211
4
Quaternary
1312332333031
5
Quinary
30441102424
6
Senary
3032310421
8
Octal
166767715
10
Decimal
31190989
12
Duodecimal
a542411
16
Hexadecimal
1dbefcd
20
Vigesimal
9eih99
36
Base36
ikj4d
md5
aca0916fb775f656db3575467ec749be
sha1
e9371082c3382462e3f25d619d7afdead90e34ee
sha256
04ddc4c98211cba7f7d3fb3a8df3e4bcbbd2a1d699230f148a8d00f83604787c
sha512
9eccc2ef196b81aa304f82ebb68d3bb5d15ee6e8fd917ef263b382ee31d5aea840d88c694a475855636171fc38fac96792c112b0a99fe2d3c3f4238f815420dd
ripemd-160
003058ae910924c9ce9b478794317d43df2a94a1
Diameter
62381978
Circumference
195978763.8012
Area
3.0563857329784E+15
Volume
1.2710892503612E+23
Surface area
1.2225542931914E+16
Circumference
195978763.8012
Perimeter
124763956
Area
972877794798121
Diagonal
44110719.66763
Surface area
5837266768788726
Volume
3.0345020595892E+22
Space diagonal
54024377.686322
Perimeter
93572967
Area
4.2126844253648E+14
Altitude
27012188.843161
Surface area
4.2126844253648E+14
Volume
3.5761949731002E+21
Height
14703573.222543