31379939 is an odd 8-digits prime number following 31379938
and preceding 31379940 . In scientific notation, it is written as 3.1379939 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 31379938 positive integers (up to 31379939) that are relatively prime to 31379939.
31379939 has 2 divisors, whose sum is 31379940
The reverse of 31379939 is 93997313
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
thirty-one million three hundred seventy-nine thousand nine hundred thirty-nine
Scientific notation
3.1379939 × 10^7
Engineering notation
3.1379939 × 10^6
Prime Factorization
31379939
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
31379939 Product of the distinct prime numbers
The prime factorization of 31379939 is 31379939.
Since it has a total of 1 prime factors.
5 , 1 , 100 , 39 , 750 , 685 , 2072 , 7824 , 67498 , 19585 , 614192 , 600468 , 7281747 , 229036 , 91231948 , 6790249 , 219124072 , 393195815 , 6666624146 , 3112485094
n×2
62759878
n×3
94139817
n×4
125519756
n×5
156899695
n÷2
15689969.5
n÷3
10459979.666667
n÷3
7844984.75
n÷5
6275987.8
n2
984700571643721
n3
3.0899843871445E+22
n4
9.6963521579547E+29
n5
3.0427093923914E+37
2 √n5601.7799849691
3 √n315.41622646131
4 √n74.845039815402
5 √n31.574059206397
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
31379940 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
15689970 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5601.7800742264 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999936265 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31379939 can be divided by 2 positive divisors.
The sum of these divisors (counting 31379939) is 31379940, the average is 15689970.
Base
System
Value
2
Binary
1110111101101000111100011
3
Ternary
2012001021011222
4
Quaternary
1313231013203
5
Quinary
31013124224
6
Senary
3040325255
8
Octal
167550743
10
Decimal
31379939
12
Duodecimal
a61382b
16
Hexadecimal
1ded1e3
20
Vigesimal
9g29gj
36
Base36
iokwz
md5
84fd52ddfff34792cc597fff9b52f6af
sha1
3cf89ef7a3fa05e92c2ac574cc359e8a343a3702
sha256
e6003460564c6d499be04ffb760933c07c90ad5a595219fe3d3a914a31705fa2
sha512
f54a7b0f5feaab00dc4acff1606c821a2c67d536eec9efd9912f22ffd5c00aa9424371f58b1c04a67ffc5313635a9e936cd2821cadecdba79daca4655351efed
ripemd-160
0c33135218e6ab5d2323a7a5a994c56097c34a57
Diameter
62759878
Circumference
197165971.66499
Area
3.0935280818616E+15
Volume
1.2943296333814E+23
Surface area
1.2374112327446E+16
Circumference
197165971.66499
Perimeter
125519756
Area
984700571643721
Diagonal
44377935.32024
Surface area
5908203429862326
Volume
3.0899843871445E+22
Space diagonal
54351648.686412
Perimeter
94139817
Area
4.2638785508226E+14
Altitude
27175824.343206
Surface area
4.2638785508226E+14
Volume
3.6415815231841E+21
Height
14792645.106747