31157047 is an odd 8-digits composite number following 31157046
and preceding 31157048 . In scientific notation, it is written as 3.1157047 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 30762576 positive integers (up to 31157047) that are relatively prime to 31157047.
31157047 has 4 divisors, whose sum is 31551520
The reverse of 31157047 is 74075113
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million one hundred fifty-seven thousand forty-seven
Scientific notation
3.1157047 × 10^7
Engineering notation
3.1157047 × 10^6
Prime Factorization
79 × 394393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31157047
Product of the distinct prime numbers
The prime factorization of 31157047 is 79 × 394393.
Since it has a total of 2 prime factors.
4 , 1 , 59 , 21 , 265 , 419 , 2231 , 6370 , 52225 , 95961 , 192347 , 412705 , 6023100 , 4082353 , 71078146 , 62590174 , 222208756 , 619481231 , 5946959213 , 1259507915
n×2
62314094
n×3
93471141
n×4
124628188
n×5
155785235
n÷2
15578523.5
n÷3
10385682.333333
n÷3
7789261.75
n÷5
6231409.4
n2
970761577760209
n3
3.0246064104069E+22
n4
9.4237804085549E+29
n5
2.9361716910702E+37
2 √n
5581.849783002
3 √n
314.66764980322
4 √n
74.711778074157
5 √n
31.529077053202
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
-31157046
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 31157047 can be divided by 4 positive divisors.
The sum of these divisors (counting 31157047) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110110110101100110111
3
Ternary
2011121221102201
4
Quaternary
1312312230313
5
Quinary
30434011142
6
Senary
3031445331
8
Octal
166665467
10
Decimal
31157047
12
Duodecimal
a526847
16
Hexadecimal
1db6b37
20
Vigesimal
9eecc7
36
Base36
ijsxj
md5
2904e3164bff0bcf089cac7cce958b69
sha1
8c55db3c71e0a5e5cca5a469cf08cebd795b73d7
sha256
2f0c395b7c959eae156052a94ab96b65b5ec5ad958a4644873263ca2a81f2843
sha512
b9626f797f9bafdc49b62046259bb62549678461eb47c749f99fd2bb60ae94fcaa81148294abaec69467d9dbc328fdb5260db1ec5404c94e950fa20c605d35a3
ripemd-160
b906356ceb4a297e5a36d53577ebd4b143ef9576
Diameter
62314094
Circumference
195765499.9255
Area
3.0497374410787E+15
Volume
1.2669441705247E+23
Surface area
1.2198949764315E+16
Circumference
195765499.9255
Perimeter
124628188
Area
970761577760209
Diagonal
44062718.430896
Surface area
5824569466561254
Volume
3.0246064104069E+22
Space diagonal
53965588.417811
Perimeter
93471141
Area
4.203520936791E+14
Altitude
26982794.208906
Surface area
4.203520936791E+14
Volume
3.5645328386984E+21
Height
14687572.810299