638006906 (number)

638006906 is an even 9-digits composite number following 638006905 and preceding 638006907. In scientific notation, it is written as 6.38006906 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 299965440 positive integers (up to 638006906) that are relatively prime to 638006906.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six thousand nine hundred six

Notation

Scientific notation 6.38006906 × 10^8
Engineering notation 6.38006906 × 10^6

Prime Factorization of 638006906

Prime Factorization 2 × 17 × 1181 × 15889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638006906
Product of the distinct prime numbers

The prime factorization of 638006906 is 2 × 17 × 1181 × 15889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638006906)

Multiplication

n×y
n×2 1276013812
n×3 1914020718
n×4 2552027624
n×5 3190034530

Division

n÷y
n÷2 319003453
n÷3 212668968.66667
n÷3 159501726.5
n÷5 127601381.2

Exponentiation

ny
n2 407052812103692836
n3 2.5970250522888E+26
n4 1.6569199184152E+35
n5 1.0571263506379E+44

Nth Root

y√n
2√n 25258.798585839
3√n 860.87836433687
4√n 158.93016889766
5√n 57.67200842231

Divisors of 638006906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638006905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638006906 can be divided by 16 positive divisors. The sum of these divisors (counting 638006906) is 1, the average is 0.0625.

Base conversion 638006906

Base System Value
2 Binary 100110000001110011011001111010
3 Ternary 1122110112002221102
4 Quaternary 212001303121322
5 Quinary 2301312210111
6 Senary 143150411402
8 Octal 4601633172
10 Decimal 638006906
12 Duodecimal 159800b62
16 Hexadecimal 2607367a
20 Vigesimal 9j7ah56
36 Base36 ajupa2

Cryptographic Hash Functions

md5 d3f5ed3b46e36859906e39ba7698b584
sha1 fc9f13a8cd3e5abfdbeaf9a7551fa75d1c79bab4
sha256 3da9a29cae9428915ad41cada3801b3476aed9ae7ee9909fbc3a079ad20ea2e6
sha512 ae421c5ae953a7a84c0801eeb410b99547ac13fa450276a1459f961b6960ffc6eba03a0aed450af5eac172a5d95da29bfbecd2c2053b7be1946073118283e1aa
ripemd-160 0dde00c7e650014cf6613a750a27435e97be69e5

638006906 as geometric shapes

Circle

Radius = n
Diameter 1276013812
Circumference 4008715617.6583
Area 1.278794124128E+18

Sphere

Radius = n
Volume 1.0878393100612E+27
Surface area 5.1151764965121E+18
Circumference 4008715617.6583

Square

Length = n
Perimeter 2552027624
Area 407052812103692836
Diagonal 902278019.3529

Cube

Length = n
Surface area 2442316872622157016
Volume 2.5970250522888E+26
Space diagonal 1105060376.7718

Equilateral Triangle

Length = n
Perimeter 1914020718
Area 1.7625903798185E+17
Altitude 552530188.38591

Triangular Pyramid

Length = n
Surface area 1.7625903798185E+17
Volume 3.0606233756412E+25
Height 300759339.7843