639239217 is an odd 9-digits composite number following 639239216
and preceding 639239218 . In scientific notation, it is written as 6.39239217 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 418936320 positive integers (up to 639239217) that are relatively prime to 639239217.
639239217 has 8 divisors, whose sum is 866765280
The reverse of 639239217 is 712932936
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred thirty-nine million two hundred thirty-nine thousand two hundred seventeen
Scientific notation
6.39239217 × 10^8
Engineering notation
6.39239217 × 10^6
Prime Factorization
3 × 59 × 3611521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639239217
Product of the distinct prime numbers
The prime factorization of 639239217 is 3 × 59 × 3611521.
Since it has a total of 3 prime factors.
5 , 9 , 20 , 88 , 228 , 130 , 2790 , 2891 , 27210 , 109 , 119919 , 762926 , 19942 , 6171867 , 75021994 , 31497878 , 365293745 , 209995551 , 6454604437 , 9934416785
n×2
1278478434
n×3
1917717651
n×4
2556956868
n×5
3196196085
n÷2
319619608.5
n÷3
213079739
n÷3
159809804.25
n÷5
127847843.4
n2
408626776550773089
n3
2.6121026068755E+26
n4
1.6697584251428E+35
n5
1.0673750682674E+44
2 √n
25283.180515908
3 √n
861.43227035068
4 √n
159.00685682042
5 √n
57.694269938496
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639239216
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639239217 can be divided by 8 positive divisors.
The sum of these divisors (counting 639239217) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000110100000010000110001
3
Ternary
1122112211201100120
4
Quaternary
212012200100301
5
Quinary
2302121123332
6
Senary
143233040453
8
Octal
4606402061
10
Decimal
639239217
12
Duodecimal
15a0b6129
16
Hexadecimal
261a0431
20
Vigesimal
9jf4i0h
36
Base36
akl44x
md5
953ca3393ee244c549b0da7f8d72f0ac
sha1
b39a0eeb35802c6d496b78400957cc4881e208dc
sha256
0bfe02cb7191a79951b952c6fa0edb38043d2f08cf1ebb09d8b26de94a0149dc
sha512
88a3d06e4d08910d7e296b573aecc68fb639c960cd5d79c08f3b49f818baf69212e4ebd0acea9e5af4b2e9dfaad6facedfb84ec045f9b3e61e4af0d8fdb4a5e4
ripemd-160
f05528e9b474c9e2b435c3af05fb78e277da3952
Diameter
1278478434
Circumference
4016458456.0274
Area
1.283738879272E+18
Volume
1.0941549813577E+27
Surface area
5.1349555170879E+18
Circumference
4016458456.0274
Perimeter
2556956868
Area
408626776550773089
Diagonal
904020770.28216
Surface area
2451760659304638534
Volume
2.6121026068755E+26
Space diagonal
1107194802.0345
Perimeter
1917717651
Area
1.7694058457976E+17
Altitude
553597401.01727
Surface area
1.7694058457976E+17
Volume
3.0783924441279E+25
Height
301340256.76072