31972009 is an odd 8-digits prime number following 31972008
and preceding 31972010 . In scientific notation, it is written as 3.1972009 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 31972008 positive integers (up to 31972009) that are relatively prime to 31972009.
31972009 has 2 divisors, whose sum is 31972010
The reverse of 31972009 is 90027913
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million nine hundred seventy-two thousand nine
Scientific notation
3.1972009 × 10^7
Engineering notation
3.1972009 × 10^6
Prime Factorization
31972009
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31972009
Product of the distinct prime numbers
The prime factorization of 31972009 is 31972009.
Since it has a total of 1 prime factors.
8 , 10 , 47 , 96 , 209 , 192 , 5063 , 2562 , 30352 , 92921 , 978829 , 9226 , 5942802 , 7839382 , 66715712 , 2308307 , 427081628 , 24738158 , 1169280084 , 4634300829
n×2
63944018
n×3
95916027
n×4
127888036
n×5
159860045
n÷2
15986004.5
n÷3
10657336.333333
n÷3
7993002.25
n÷5
6394401.8
n2
1022209359496081
n3
3.2682086841693E+22
n4
1.0449119746414E+30
n5
3.3407935057442E+37
2 √n
5654.3796299859
3 √n
317.38761475908
4 √n
75.195609113737
5 √n
31.692316564788
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31972010
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15986005
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5654.379718413
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999374453
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31972009 can be divided by 2 positive divisors.
The sum of these divisors (counting 31972009) is 31972010, the average is 15986005.
Base
System
Value
2
Binary
1111001111101101010101001
3
Ternary
2020011100100111
4
Quaternary
1321331222221
5
Quinary
31141101014
6
Senary
3101134321
8
Octal
171755251
10
Decimal
31972009
12
Duodecimal
a85a3a1
16
Hexadecimal
1e7daa9
20
Vigesimal
9jga09
36
Base36
j19rd
md5
c5e7b3d0447a21bb38a6ef36c2c6224b
sha1
3920984b7fb6e770831295f122c1cb90d82c5646
sha256
df37ae7aa3db5245aceb1e0d5fdd7b3e3415fc53693a1c236f658c776df02367
sha512
2f5b27e0ad7bc73fddc22f508453d2364c845ec68f486e6e0bf45b96e18ae99c967892fcf29653ec23b47f1363c0d7cfa60865fe844bdf6b74fde273fe970e18
ripemd-160
419b28efb01115b4dfd667b21571f94ee77d28f5
Diameter
63944018
Circumference
200886057.18981
Area
3.2113654142236E+15
Volume
1.3689840523446E+23
Surface area
1.2845461656894E+16
Circumference
200886057.18981
Perimeter
127888036
Area
1022209359496081
Diagonal
45215248.744115
Surface area
6133256156976486
Volume
3.2682086841693E+22
Space diagonal
55377144.008049
Perimeter
95916027
Area
4.4262963665491E+14
Altitude
27688572.004025
Surface area
4.4262963665491E+14
Volume
3.8516208715148E+21
Height
15071749.581372