638404745 (number)

638404745 is an odd 9-digits composite number following 638404744 and preceding 638404746. In scientific notation, it is written as 6.38404745 × 10^8. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 463382400 positive integers (up to 638404745) that are relatively prime to 638404745.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred four thousand seven hundred forty-five

Notation

Scientific notation 6.38404745 × 10^8
Engineering notation 6.38404745 × 10^6

Prime Factorization of 638404745

Prime Factorization 55 × 521 × 22279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638404745
Product of the distinct prime numbers

The prime factorization of 638404745 is 55 × 521 × 22279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 65, 45, 279, 175, 1803, 5299, 29350, 2086, 856599, 98382, 8536843, 2787230, 53875840, 49009492, 467470420, 938196051, 7126583241, 1083344665

Basic calculations (n = 638404745)

Multiplication

n×y
n×2 1276809490
n×3 1915214235
n×4 2553618980
n×5 3192023725

Division

n÷y
n÷2 319202372.5
n÷3 212801581.66667
n÷3 159601186.25
n÷5 127680949

Exponentiation

ny
n2 407560618438515025
n3 2.6018863268628E+26
n4 1.6610565770198E+35
n5 1.0604264004829E+44

Nth Root

y√n
2√n 25266.672614335
3√n 861.05726512959
4√n 158.95493894288
5√n 57.679199082225

Divisors of 638404745

1, 55, 521, 22279, 28655, 1225345, 11607359, 638404745

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 -638404744
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 638404745 can be divided by 8 positive divisors. The sum of these divisors (counting 638404745) is 1, the average is 0.125.

Base conversion 638404745

Base System Value
2 Binary 100110000011010100100010001001
3 Ternary 1122111021022200012
4 Quaternary 212003110202021
5 Quinary 2301412422440
6 Senary 143203121305
8 Octal 4603244211
10 Decimal 638404745
12 Duodecimal 159973235
16 Hexadecimal 260d4889
20 Vigesimal 9ja0bh5
36 Base36 ak3895

Cryptographic Hash Functions

md5 67e79ec7f39f6f863d937bb3a8e84d16
sha1 5c93693cbc00a636a260cdc381ebc8b000230f9a
sha256 ad83f6b030086a21ac25178877701f4162fded3f070b6f3d70f42610a9d1fd31
sha512 e7971170b8ffc3fc549f5ef2cced3924de4b68c75ef9f1a91c651f7c5cfde03f858dcfb57d0a09b4177afaaa278678fce33665c189272c7354e8d309470c2807
ripemd-160 6215dc2b436cf2c67fdf7bb896963cae49fefd82

638404745 as geometric shapes

Circle

Radius = n
Diameter 1276809490
Circumference 4011215313.8177
Area 1.280389444779E+18

Sphere

Radius = n
Volume 1.0898755959931E+27
Surface area 5.1215577791158E+18
Circumference 4011215313.8177

Square

Length = n
Perimeter 2553618980
Area 407560618438515025
Diagonal 902840648.66234

Cube

Length = n
Surface area 2445363710631090150
Volume 2.6018863268628E+26
Space diagonal 1105749454.1331

Equilateral Triangle

Length = n
Perimeter 1915214235
Area 1.7647892457493E+17
Altitude 552874727.06653

Triangular Pyramid

Length = n
Surface area 1.7647892457493E+17
Volume 3.0663524426688E+25
Height 300946882.88745