639968315 is an odd 9-digits composite number following 639968314
and preceding 639968316 . In scientific notation, it is written as 6.39968315 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 413021184 positive integers (up to 639968315) that are relatively prime to 639968315.
639968315 has 8 divisors, whose sum is 696974544
The reverse of 639968315 is 513869936
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-nine million nine hundred sixty-eight thousand three hundred fifteen
Scientific notation
6.39968315 × 10^8
Engineering notation
6.39968315 × 10^6
Prime Factorization
17 × 35 × 1075577
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639968315
Product of the distinct prime numbers
The prime factorization of 639968315 is 17 × 35 × 1075577.
Since it has a total of 3 prime factors.
4 , 7 , 97 , 75 , 997 , 764 , 4167 , 2356 , 44337 , 99491 , 221575 , 875035 , 7727419 , 5044266 , 27129592 , 67527743 , 155807649 , 240726328 , 4940556005 , 3007314315
n×2
1279936630
n×3
1919904945
n×4
2559873260
n×5
3199841575
n÷2
319984157.5
n÷3
213322771.66667
n÷3
159992078.75
n÷5
127993663
n2
409559444203939225
n3
2.6210506739953E+26
n4
1.6773893833664E+35
n5
1.0734760572719E+44
2 √n
25297.595043798
3 √n
861.7596542649
4 √n
159.05217711115
5 √n
57.707424825641
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
-639968314
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 639968315 can be divided by 8 positive divisors.
The sum of these divisors (counting 639968315) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001001010010010000111011
3
Ternary
1122121012202111012
4
Quaternary
212021102100323
5
Quinary
2302312441230
6
Senary
143300424135
8
Octal
4611222073
10
Decimal
639968315
12
Duodecimal
15a3a804b
16
Hexadecimal
2625243b
20
Vigesimal
9jjg0ff
36
Base36
al0qpn
md5
175ad9443daa4e366af3edf1756986c4
sha1
a4c8c8c880dd093767dd939b3cd2d752f29c360a
sha256
62901aa9da8967e7834c31da2570bcee4451e30dbbe578aa37895867c7573b94
sha512
0838084394e35756d9cdf70a361a6e51f500652691aa5d4dce50643bcf150965b5b99dc063c95cc6a410b6149f65699a5f57527a19886da7a440a5c9a282e128
ripemd-160
41ca3356d3d6274779e297690c2096cd96f2c39b
Diameter
1279936630
Circumference
4021039513.8685
Area
1.2866689411194E+18
Volume
1.097903138948E+27
Surface area
5.1466757644777E+18
Circumference
4021039513.8685
Perimeter
2559873260
Area
409559444203939225
Diagonal
905051870.56206
Surface area
2457356665223635350
Volume
2.6210506739953E+26
Space diagonal
1108457636.8142
Perimeter
1919904945
Area
1.7734444152022E+17
Altitude
554228818.40712
Surface area
1.7734444152022E+17
Volume
3.0889378423594E+25
Height
301683956.85402