638590989 (number)

638590989 is an odd 9-digits composite number following 638590988 and preceding 638590990. In scientific notation, it is written as 6.38590989 × 10^8. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 425727324 positive integers (up to 638590989) that are relatively prime to 638590989.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred ninety thousand nine hundred eighty-nine

Notation

Scientific notation 6.38590989 × 10^8
Engineering notation 6.38590989 × 10^6

Prime Factorization of 638590989

Prime Factorization 3 × 212863663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638590989
Product of the distinct prime numbers

The prime factorization of 638590989 is 3 × 212863663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 57, 27, 10, 298, 2222, 3337, 57851, 33764, 299083, 317150, 6344696, 4485734, 21807949, 46570359, 399360809, 772093268, 7592205740, 6122946104

Basic calculations (n = 638590989)

Multiplication

n×y
n×2 1277181978
n×3 1915772967
n×4 2554363956
n×5 3192954945

Division

n÷y
n÷2 319295494.5
n÷3 212863663
n÷3 159647747.25
n÷5 127718197.8

Exponentiation

ny
n2 407798451231998121
n3 2.6041641628491E+26
n4 1.6629957682722E+35
n5 1.0619741123637E+44

Nth Root

y√n
2√n 25270.357911989
3√n 861.14099004877
4√n 158.96653079183
5√n 57.682564079584

Divisors of 638590989

1, 3, 212863663, 638590989

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 -638590988
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 638590989 can be divided by 4 positive divisors. The sum of these divisors (counting 638590989) is 1, the average is 0.25.

Base conversion 638590989

Base System Value
2 Binary 100110000100000010000000001101
3 Ternary 1122111121210011010
4 Quaternary 212010002000031
5 Quinary 2301434402424
6 Senary 143211115433
8 Octal 4604020015
10 Decimal 638590989
12 Duodecimal 159a42b79
16 Hexadecimal 2610200d
20 Vigesimal 9jb3h99
36 Base36 ak77yl

Cryptographic Hash Functions

md5 dca5117c85ae86ebb18414e67c7c6d19
sha1 97aee2fae0312cc0686141f048988626fd350043
sha256 7e89d590f2109bef56afa7fe20ac34fe419aef46ca78d5a419534900e6fccef1
sha512 5d5b2340054dcc0b6042f656e7cedc125191e59a25212e14e2977e1e1fc53cfc9a1f80d03d7f0701f24dd76501eb41ee6a07f20fec7bff4be500788a4a40d60a
ripemd-160 033b4b913c389b586723dc89b4710438a4b6899a

638590989 as geometric shapes

Circle

Radius = n
Diameter 1277181978
Circumference 4012385519.3821
Area 1.2811366185357E+18

Sphere

Radius = n
Volume 1.0908297336998E+27
Surface area 5.124546474143E+18
Circumference 4012385519.3821

Square

Length = n
Perimeter 2554363956
Area 407798451231998121
Diagonal 903104037.45305

Cube

Length = n
Surface area 2446790707391988726
Volume 2.6041641628491E+26
Space diagonal 1106072038.2037

Equilateral Triangle

Length = n
Perimeter 1915772967
Area 1.7658190919543E+17
Altitude 553036019.10183

Triangular Pyramid

Length = n
Surface area 1.7658190919543E+17
Volume 3.0690368981226E+25
Height 301034679.15102