639969131 is an odd 9-digits composite number following 639969130
and preceding 639969132 . In scientific notation, it is written as 6.39969131 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 586044288 positive integers (up to 639969131) that are relatively prime to 639969131.
639969131 has 8 divisors, whose sum is 695928960
The reverse of 639969131 is 131969936
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred thirty-nine million nine hundred sixty-nine thousand one hundred thirty-one
Scientific notation
6.39969131 × 10^8
Engineering notation
6.39969131 × 10^6
Prime Factorization
17 × 37 × 1017439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639969131
Product of the distinct prime numbers
The prime factorization of 639969131 is 17 × 37 × 1017439.
Since it has a total of 3 prime factors.
1 , 2 , 78 , 24 , 415 , 109 , 6665 , 8419 , 79694 , 7808 , 330180 , 119527 , 9469188 , 9070875 , 86052225 , 50459520 , 707632517 , 619240033 , 9027605127 , 6407795941
n×2
1279938262
n×3
1919907393
n×4
2559876524
n×5
3199845655
n÷2
319984565.5
n÷3
213323043.66667
n÷3
159992282.75
n÷5
127993826.2
n2
409560488632895161
n3
2.6210607000233E+26
n4
1.6773979384922E+35
n5
1.073482901038E+44
2 √n
25297.611171808
3 √n
861.76002053073
4 √n
159.05222781152
5 √n
57.707439541756
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
-639969130
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 639969131 can be divided by 8 positive divisors.
The sum of these divisors (counting 639969131) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001001010010011101101011
3
Ternary
1122121012210121102
4
Quaternary
212021102131223
5
Quinary
2302313003011
6
Senary
143300432015
8
Octal
4611223553
10
Decimal
639969131
12
Duodecimal
15a3a860b
16
Hexadecimal
2625276b
20
Vigesimal
9jjg2gb
36
Base36
al0rcb
md5
a67e167e1e4ad4257da1f14d2c51b119
sha1
8295d9abbf5160ad2ea356bd38e44ee4ee619d50
sha256
c1085071123a32d8d00bb0d093073759cd53919ae590e6f29450540ac5237729
sha512
5aed6fbc271f8d4b9602897b1038a6752b7cc19ae7970a0368b137525c2fdd9ed1d854a63ac103d8117d16e551f44e940e64cc01d29b5525be2b42403fbfd1b0
ripemd-160
428abb4e3673375b217a4fe1692017873126542b
Diameter
1279938262
Circumference
4021044640.9477
Area
1.2866722222897E+18
Volume
1.0979073386408E+27
Surface area
5.146688889159E+18
Circumference
4021044640.9477
Perimeter
2559876524
Area
409560488632895161
Diagonal
905053024.56032
Surface area
2457362931797370966
Volume
2.6210607000233E+26
Space diagonal
1108459050.1677
Perimeter
1919907393
Area
1.7734489377123E+17
Altitude
554229525.08385
Surface area
1.7734489377123E+17
Volume
3.0889496581467E+25
Height
301684341.52011