639028081 is an odd 9-digits composite number following 639028080
and preceding 639028082 . In scientific notation, it is written as 6.39028081 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 638126064 positive integers (up to 639028081) that are relatively prime to 639028081.
639028081 has 4 divisors, whose sum is 639930100
The reverse of 639028081 is 180820936
Previous prime number is 709
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred thirty-nine million twenty-eight thousand eighty-one
Scientific notation
6.39028081 × 10^8
Engineering notation
6.39028081 × 10^6
Prime Factorization
709 × 901309
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
639028081
Product of the distinct prime numbers
The prime factorization of 639028081 is 709 × 901309.
Since it has a total of 2 prime factors.
7 , 9 , 69 , 53 , 69 , 414 , 5243 , 3669 , 29444 , 37740 , 478638 , 665639 , 3868454 , 3891916 , 39385250 , 44118738 , 375504682 , 622983131 , 4594739953 , 4701750849
n×2
1278056162
n×3
1917084243
n×4
2556112324
n×5
3195140405
n÷2
319514040.5
n÷3
213009360.33333
n÷3
159757020.25
n÷5
127805616.2
n2
408356888306542561
n3
2.6095151869766E+26
n4
1.667553482274E+35
n5
1.0656135017424E+44
2 √n
25279.004747023
3 √n
861.3374183312
4 √n
158.99372549577
5 √n
57.69045823648
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
-639028080
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 639028081 can be divided by 4 positive divisors.
The sum of these divisors (counting 639028081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101101100101101110001
3
Ternary
1122112102222201201
4
Quaternary
212011230231301
5
Quinary
2302042344311
6
Senary
143224331201
8
Octal
4605545561
10
Decimal
639028081
12
Duodecimal
15a013b01
16
Hexadecimal
2616cb71
20
Vigesimal
9jdia41
36
Base36
akgl81
md5
9882570dddcfe83b8bae3d1098730db9
sha1
70156c4d06cf04e8d648e91c8eb2c6efbf70c680
sha256
fc11ab3ad10a3d5425f1ea38d526db45283fbcd673ca572e3ead9607a7654020
sha512
dc367bfc1b6694dbb2e85cd555b2d709347f675771afa2dd5c79f2fc3979b31eccfd2086b4f6ae39eade36f74a835f561beca4e3377fd06cb9dc165049cb433f
ripemd-160
b2a3223990a3808f94a70e0ab44cd203014a3e38
Diameter
1278056162
Circumference
4015131849.4144
Area
1.2828910003466E+18
Volume
1.0930711654449E+27
Surface area
5.1315640013865E+18
Circumference
4015131849.4144
Perimeter
2556112324
Area
408356888306542561
Diagonal
903722178.88745
Surface area
2450141329839255366
Volume
2.6095151869766E+26
Space diagonal
1106829103.7552
Perimeter
1917084243
Area
1.7682371954192E+17
Altitude
553414551.87762
Surface area
1.7682371954192E+17
Volume
3.0753431405341E+25
Height
301240726.29582