639969659 is an odd 9-digits composite number following 639969658
and preceding 639969660 . In scientific notation, it is written as 6.39969659 × 10^8.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 548545416 positive integers (up to 639969659) that are relatively prime to 639969659.
639969659 has 4 divisors, whose sum is 731393904
The reverse of 639969659 is 956969936
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 62
Digital Root 8
Name
six hundred thirty-nine million nine hundred sixty-nine thousand six hundred fifty-nine
Scientific notation
6.39969659 × 10^8
Engineering notation
6.39969659 × 10^6
Prime Factorization
7 × 91424237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
639969659
Product of the distinct prime numbers
The prime factorization of 639969659 is 7 × 91424237.
Since it has a total of 2 prime factors.
2 , 7 , 73 , 32 , 670 , 754 , 3209 , 5232 , 42497 , 91539 , 927326 , 936945 , 996837 , 7625901 , 97835995 , 95167629 , 612434170 , 996054117 , 2160904211 , 7433939720
n×2
1279939318
n×3
1919908977
n×4
2559878636
n×5
3199848295
n÷2
319984829.5
n÷3
213323219.66667
n÷3
159992414.75
n÷5
127993931.8
n2
409561164440576281
n3
2.6210671874668E+26
n4
1.6774034741792E+35
n5
1.0734873293759E+44
2 √n
25297.621607574
3 √n
861.7602575261
4 √n
159.05226061762
5 √n
57.707449063939
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
-639969658
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 639969659 can be divided by 4 positive divisors.
The sum of these divisors (counting 639969659) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001001010010100101111011
3
Ternary
1122121012211022222
4
Quaternary
212021102211323
5
Quinary
2302313012114
6
Senary
143300434255
8
Octal
4611224573
10
Decimal
639969659
12
Duodecimal
15a3a898b
16
Hexadecimal
2625297b
20
Vigesimal
9jjg42j
36
Base36
al0rqz
md5
bda7d24904784c640a8d608ff080ea48
sha1
25eb9c90e0be0175a7f354efda223e9ddc4273c4
sha256
1cf84d3ba5e89628258f83f20e53d6d1a158f9e4f2ec332590a152e3e409397f
sha512
1792e93db1e5616ec936349a9161d219da67a2bb5b3131e40b4aff5f3b7709a993d403775c8b5e5c855d8eccf79abb0695fdd8b71278e5c38e673b54dd17b45f
ripemd-160
5e019bad400ec79de82463f90f40be32a6fa2192
Diameter
1279939318
Circumference
4021047958.4695
Area
1.2866743454022E+18
Volume
1.0979100560948E+27
Surface area
5.1466973816088E+18
Circumference
4021047958.4695
Perimeter
2559878636
Area
409561164440576281
Diagonal
905053771.26508
Surface area
2457366986643457686
Volume
2.6210671874668E+26
Space diagonal
1108459964.6905
Perimeter
1919908977
Area
1.7734518640454E+17
Altitude
554229982.34526
Surface area
1.7734518640454E+17
Volume
3.0889573036722E+25
Height
301684590.42169