638590986 (number)

638590986 is an even 9-digits composite number following 638590985 and preceding 638590987. In scientific notation, it is written as 6.38590986 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 193512240 positive integers (up to 638590986) that are relatively prime to 638590986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38590986 × 10^8
Engineering notation 6.38590986 × 10^6

Prime Factorization of 638590986

Prime Factorization 2 × 27 × 11 × 1075069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638590986
Product of the distinct prime numbers

The prime factorization of 638590986 is 2 × 27 × 11 × 1075069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 65, 27, 739, 212, 2403, 2530, 36491, 55312, 922232, 677311, 3851377, 8386424, 81120821, 64626601, 329054715, 87797293, 8598393450, 9627729091

Basic calculations (n = 638590986)

Multiplication

n×y
n×2 1277181972
n×3 1915772958
n×4 2554363944
n×5 3192954930

Division

n÷y
n÷2 319295493
n÷3 212863662
n÷3 159647746.5
n÷5 127718197.2

Exponentiation

ny
n2 407798447400452196
n3 2.6041641261472E+26
n4 1.6629957370222E+35
n5 1.0619740874188E+44

Nth Root

y√n
2√n 25270.35785263
3√n 861.14098870026
4√n 158.96653060513
5√n 57.682564025388

Divisors of 638590986

1, 2, 11, 22, 27, 54, 297, 594, 1075069, 2150138, 11825759, 23651518, 29026863, 58053726, 319295493, 638590986

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 -638590985
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 638590986 can be divided by 16 positive divisors. The sum of these divisors (counting 638590986) is 1, the average is 0.0625.

Base conversion 638590986

Base System Value
2 Binary 100110000100000010000000001010
3 Ternary 1122111121210011000
4 Quaternary 212010002000022
5 Quinary 2301434402421
6 Senary 143211115430
8 Octal 4604020012
10 Decimal 638590986
12 Duodecimal 159a42b76
16 Hexadecimal 2610200a
20 Vigesimal 9jb3h96
36 Base36 ak77yi

Cryptographic Hash Functions

md5 c5fbe853e870d151119f353f006c139f
sha1 c407c39bf8fc82461ad0d1d3142ffbb578ad6c5d
sha256 204a4625f2b3fcba3d2abdab59cfd78ee1d088a99a3789fd7a4a5e9b7d8771c5
sha512 3d72962881c1278558ca0294d26838dcc57d93555ab337e4041ba1ae811d65fbb1221c3d46ab2d35e20800736a4ff10de08d05352fdc236b06e1880d7f8af2c1
ripemd-160 3de621df1a84fdca56b92196071619632b619971

638590986 as geometric shapes

Circle

Radius = n
Diameter 1277181972
Circumference 4012385500.5325
Area 1.2811366064986E+18

Sphere

Radius = n
Volume 1.0908297183262E+27
Surface area 5.1245464259943E+18
Circumference 4012385500.5325

Square

Length = n
Perimeter 2554363944
Area 407798447400452196
Diagonal 903104033.21041

Cube

Length = n
Surface area 2446790684402713176
Volume 2.6041641261472E+26
Space diagonal 1106072033.0075

Equilateral Triangle

Length = n
Perimeter 1915772958
Area 1.7658190753632E+17
Altitude 553036016.50375

Triangular Pyramid

Length = n
Surface area 1.7658190753632E+17
Volume 3.0690368548691E+25
Height 301034677.7368