638992067 is an odd 9-digits composite number following 638992066
and preceding 638992068 . In scientific notation, it is written as 6.38992067 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 547707480 positive integers (up to 638992067) that are relatively prime to 638992067.
638992067 has 4 divisors, whose sum is 730276656
The reverse of 638992067 is 760299836
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million nine hundred ninety-two thousand sixty-seven
Scientific notation
6.38992067 × 10^8
Engineering notation
6.38992067 × 10^6
Prime Factorization
7 × 91284581
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638992067
Product of the distinct prime numbers
The prime factorization of 638992067 is 7 × 91284581.
Since it has a total of 2 prime factors.
3 , 9 , 79 , 48 , 190 , 401 , 8374 , 3690 , 76026 , 39088 , 237405 , 980943 , 8256978 , 1339428 , 14234624 , 76483652 , 162921482 , 755237291 , 1618206323 , 63416070
n×2
1277984134
n×3
1916976201
n×4
2555968268
n×5
3194960335
n÷2
319496033.5
n÷3
212997355.66667
n÷3
159748016.75
n÷5
127798413.4
n2
408310861688932489
n3
2.6090740148916E+26
n4
1.6671775977316E+35
n5
1.0653132592306E+44
2 √n
25278.292406727
3 √n
861.3212370973
4 √n
158.99148532776
5 √n
57.689807964274
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
-638992066
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 638992067 can be divided by 4 positive divisors.
The sum of these divisors (counting 638992067) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101100011111011000011
3
Ternary
1122112101011022212
4
Quaternary
212011203323003
5
Quinary
2302040221232
6
Senary
143223452335
8
Octal
4605437303
10
Decimal
638992067
12
Duodecimal
159bb70ab
16
Hexadecimal
26163ec3
20
Vigesimal
9jde037
36
Base36
akftfn
md5
ced780c6a08f32f36d2a2dd79d037967
sha1
fa3323a44e3749c7b24a4795c9ec8ed905910134
sha256
82bdbdcf96f5f0a4b72c47de5b6e72618e473503d5e7d49691c38b89ea23a5a6
sha512
d222e66fbf75763a28eda40b3aba451a6231dccdede91a23c9803318b5b6b973f129ef59ddd462b7b79f90a9a0f48642550b0f1be1d60f6524863b8fca490eaa
ripemd-160
104c8f4beaacc3bca7ab51964e561d09fcbf166f
Diameter
1277984134
Circumference
4014905566.7787
Area
1.2827464034629E+18
Volume
1.0928863677141E+27
Surface area
5.1309856138515E+18
Circumference
4014905566.7787
Perimeter
2555968268
Area
408310861688932489
Diagonal
903671247.40022
Surface area
2449865170133594934
Volume
2.6090740148916E+26
Space diagonal
1106766725.6775
Perimeter
1916976201
Area
1.7680378943186E+17
Altitude
553383362.83873
Surface area
1.7680378943186E+17
Volume
3.0748232142458E+25
Height
301223749.13341