638996966 is an even 9-digits composite number following 638996965
and preceding 638996967 . In scientific notation, it is written as 6.38996966 × 10^8.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 319498482 positive integers (up to 638996966) that are relatively prime to 638996966.
638996966 has 4 divisors, whose sum is 958495452
The reverse of 638996966 is 669699836
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 62 Digital Root 8
Name
six hundred thirty-eight million nine hundred ninety-six thousand nine hundred sixty-six
Scientific notation
6.38996966 × 10^8
Engineering notation
6.38996966 × 10^6
Prime Factorization
2 × 319498483
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
638996966 Product of the distinct prime numbers
The prime factorization of 638996966 is 2 × 319498483.
Since it has a total of 2 prime factors.
6 , 5 , 47 , 28 , 976 , 150 , 4411 , 9297 , 66739 , 96382 , 454048 , 674762 , 1527076 , 4932184 , 56918994 , 48808127 , 106243893 , 929063497 , 2853056676 , 429527136
n×2
1277993932
n×3
1916990898
n×4
2555987864
n×5
3194984830
n÷2
319498483
n÷3
212998988.66667
n÷3
159749241.5
n÷5
127799393.2
n2
408317122557205156
n3
2.609134024799E+26
n4
1.667228725734E+35
n5
1.065354097372E+44
2 √n25278.389307865
3 √n861.32343827328
4 √n158.99179006435
5 √n57.689896422806
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
-638996965 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 638996966 can be divided by 4 positive divisors.
The sum of these divisors (counting 638996966) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101100101000111100110
3
Ternary
1122112101102001022
4
Quaternary
212011211013212
5
Quinary
2302040400331
6
Senary
143223531142
8
Octal
4605450746
10
Decimal
638996966
12
Duodecimal
159bb9ab2
16
Hexadecimal
261651e6
20
Vigesimal
9jdec86
36
Base36
akfx7q
md5
73e96dee9133031fb6ea2d49e9591670
sha1
cb2adc332bc35addf7325f26f61479a9fd7dcc0d
sha256
cfb53f835952534e15e0f03299880a53c0206792c4900d13ac3cefe8cb238bfc
sha512
95559f9db055a71a23dd1be54400041b3665f4f5be00b405c2d5c9cb6862151e6c2d232189137add9ddde08953a3896d2a071a62442830a571f58c5b1aea6fc7
ripemd-160
d15b02a0b33c79bb62677ac6db9e9d3837f84b36
Diameter
1277993932
Circumference
4014936348.1035
Area
1.2827660725606E+18
Volume
1.0929115046053E+27
Surface area
5.1310642902426E+18
Circumference
4014936348.1035
Perimeter
2555987864
Area
408317122557205156
Diagonal
903678175.63246
Surface area
2449902735343230936
Volume
2.609134024799E+26
Space diagonal
1106775210.9944
Perimeter
1916990898
Area
1.7680650046735E+17
Altitude
553387605.49718
Surface area
1.7680650046735E+17
Volume
3.0748939365999E+25
Height
301226058.54415