638006904 (number)

638006904 is an even 9-digits composite number following 638006903 and preceding 638006905. In scientific notation, it is written as 6.38006904 × 10^8. The sum of its digits is 36. It has a total of 7 prime factors and 48 positive divisors. There are 207480960 positive integers (up to 638006904) that are relatively prime to 638006904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38006904 × 10^8
Engineering notation 6.38006904 × 10^6

Prime Factorization of 638006904

Prime Factorization 2 × 2 × 2 × 3 × 3 × 41 × 216127

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 53167242
Product of the distinct prime numbers

The prime factorization of 638006904 is 2 × 2 × 2 × 3 × 3 × 41 × 216127. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638006904)

Multiplication

n×y
n×2 1276013808
n×3 1914020712
n×4 2552027616
n×5 3190034520

Division

n÷y
n÷2 319003452
n÷3 212668968
n÷3 159501726
n÷5 127601380.8

Exponentiation

ny
n2 407052809551665216
n3 2.5970250278656E+26
n4 1.656919897639E+35
n5 1.0571263340687E+44

Nth Root

y√n
2√n 25258.798546249
3√n 860.87836343732
4√n 158.93016877311
5√n 57.672008386152

Divisors of 638006904

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638006903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638006904 can be divided by 48 positive divisors. The sum of these divisors (counting 638006904) is 1, the average is 0.020833333333333.

Base conversion 638006904

Base System Value
2 Binary 100110000001110011011001111000
3 Ternary 1122110112002221100
4 Quaternary 212001303121320
5 Quinary 2301312210104
6 Senary 143150411400
8 Octal 4601633170
10 Decimal 638006904
12 Duodecimal 159800b60
16 Hexadecimal 26073678
20 Vigesimal 9j7ah54
36 Base36 ajupa0

Cryptographic Hash Functions

md5 22175489f585643a6d683353b631c418
sha1 400dc7147b983a5109ef4014c585d747879a53e6
sha256 5d5a34d037380155b462e538460d29cd91fa0534bd5e3fe0732666e2779c333f
sha512 077ecd5f65f310ccfd40787119312c1edac949f9a93b55e01aedb3c53eabaab221be4dcc9a9305ad408aa039f08d2ca2fdee0f7f8efe31a5306e3f754b4b129a
ripemd-160 22f1629aef1380c1771015ab1d0fe6abc4448ec2

638006904 as geometric shapes

Circle

Radius = n
Diameter 1276013808
Circumference 4008715605.0919
Area 1.2787941161106E+18

Sphere

Radius = n
Volume 1.0878392998309E+27
Surface area 5.1151764644424E+18
Circumference 4008715605.0919

Square

Length = n
Perimeter 2552027616
Area 407052809551665216
Diagonal 902278016.52447

Cube

Length = n
Surface area 2442316857309991296
Volume 2.5970250278656E+26
Space diagonal 1105060373.3077

Equilateral Triangle

Length = n
Perimeter 1914020712
Area 1.7625903687679E+17
Altitude 552530186.65386

Triangular Pyramid

Length = n
Surface area 1.7625903687679E+17
Volume 3.0606233468582E+25
Height 300759338.84149