31979997 is an odd 8-digits composite number following 31979996
and preceding 31979998 . In scientific notation, it is written as 3.1979997 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 18098640 positive integers (up to 31979997) that are relatively prime to 31979997.
31979997 has 24 divisors, whose sum is 47590400
The reverse of 31979997 is 79997913
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
thirty-one million nine hundred seventy-nine thousand nine hundred ninety-seven
Scientific notation
3.1979997 × 10^7
Engineering notation
3.1979997 × 10^6
Prime Factorization
3 × 3 × 49 × 127 × 571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10659999
Product of the distinct prime numbers
The prime factorization of 31979997 is 3 × 3 × 49 × 127 × 571.
Since it has a total of 5 prime factors.
7 , 1 , 33 , 72 , 508 , 32 , 5281 , 4560 , 64454 , 93562 , 596806 , 451807 , 5225589 , 803005 , 56751732 , 48471771 , 565078908 , 697812240 , 7121022780 , 502370779
n×2
63959994
n×3
95939991
n×4
127919988
n×5
159899985
n÷2
15989998.5
n÷3
10659999
n÷3
7994999.25
n÷5
6395999.4
n2
1022720208120009
n3
3.2706589187517E+22
n4
1.045956624097E+30
n5
3.3449689700753E+37
2 √n
5655.0859409915
3 √n
317.41404497344
4 √n
75.2003054581
5 √n
31.693900030679
1 , 3 , 9 , 49 , 127 , 147 , 381 , 441 , 571 , 1143 , 1713 , 5139 , 6223 , 18669 , 27979 , 56007 , 72517 , 83937 , 217551 , 251811 , 652653 , 3553333 , 10659999 , 31979997
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31979996
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31979997 can be divided by 24 positive divisors.
The sum of these divisors (counting 31979997) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111001111111100111011101
3
Ternary
2020011202022100
4
Quaternary
1321333213131
5
Quinary
31141324442
6
Senary
3101235313
8
Octal
171774735
10
Decimal
31979997
12
Duodecimal
a862b39
16
Hexadecimal
1e7f9dd
20
Vigesimal
9jh9jh
36
Base36
j1fx9
md5
c813e3c4bcb1a6df1851e25cfcb061fc
sha1
18c994c9059e3d4a0685e8085e4a056c070f0094
sha256
130e514ecfeaaa16f5603cd1f7eadb39cfb6ab1a5515607b2356dc23cd87fff5
sha512
910b302211a09fb3577b95cc6003658383a7535db0cba88d899aaad03c306a262c9c15f95b140bae7933b8cb9d4130aa36c2859d2a4d8028002ae6310e361efd
ripemd-160
443becc130e8c5f69b1c5701266f31e1928ce74e
Diameter
63959994
Circumference
200936247.27405
Area
3.2129702925076E+15
Volume
1.3700104042064E+23
Surface area
1.2851881170031E+16
Circumference
200936247.27405
Perimeter
127919988
Area
1022720208120009
Diagonal
45226545.482051
Surface area
6136321248720054
Volume
3.2706589187517E+22
Space diagonal
55390979.6299
Perimeter
95939991
Area
4.4285084059782E+14
Altitude
27695489.81495
Surface area
4.4285084059782E+14
Volume
3.8545085006627E+21
Height
15075515.160684