638996955 (number)

638996955 is an odd 9-digits composite number following 638996954 and preceding 638996956. In scientific notation, it is written as 6.38996955 × 10^8. The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors. There are 329804640 positive integers (up to 638996955) that are relatively prime to 638996955.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38996955 × 10^8
Engineering notation 6.38996955 × 10^6

Prime Factorization of 638996955

Prime Factorization 3 × 5 × 31 × 1374187

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638996955
Product of the distinct prime numbers

The prime factorization of 638996955 is 3 × 5 × 31 × 1374187. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 23, 15, 548, 140, 8273, 229, 42650, 75543, 783742, 344964, 4862400, 8529301, 2552808, 37743221, 189793755, 953337660, 5248869888, 4634059315

Basic calculations (n = 638996955)

Multiplication

n×y
n×2 1277993910
n×3 1916990865
n×4 2555987820
n×5 3194984775

Division

n÷y
n÷2 319498477.5
n÷3 212998985
n÷3 159749238.75
n÷5 127799391

Exponentiation

ny
n2 408317108499272025
n3 2.6091338900544E+26
n4 1.6672286109321E+35
n5 1.0653540056745E+44

Nth Root

y√n
2√n 25278.389090288
3√n 861.32343333086
4√n 158.99178938011
5√n 57.689896224186

Divisors of 638996955

1, 3, 5, 15, 31, 93, 155, 465, 1374187, 4122561, 6870935, 20612805, 42599797, 127799391, 212998985, 638996955

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 -638996954
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 638996955 can be divided by 16 positive divisors. The sum of these divisors (counting 638996955) is 1, the average is 0.0625.

Base conversion 638996955

Base System Value
2 Binary 100110000101100101000111011011
3 Ternary 1122112101102000220
4 Quaternary 212011211013123
5 Quinary 2302040400310
6 Senary 143223531123
8 Octal 4605450733
10 Decimal 638996955
12 Duodecimal 159bb9aa3
16 Hexadecimal 261651db
20 Vigesimal 9jdec7f
36 Base36 akfx7f

Cryptographic Hash Functions

md5 cf25440bd16f45dd372fe14ce92b479e
sha1 4e183b1b8a0c7f10be1a468d14e0b9fe47b056ca
sha256 5e51f0232098fbb5239c6b3ed6f3eaf9ed3c7f5f46081e3578f20f305ed2f0b1
sha512 fca7b5e88e5b2c28b209035f64c951a07dc0de85f6773a32a8a6bade6ffb51780d46f10ff52f96ea5609646cdddeabaa584e361de1e82080482def997b7a4f74
ripemd-160 b8b02ed135f8cda599327b7015d88d802d3050c9

638996955 as geometric shapes

Circle

Radius = n
Diameter 1277993910
Circumference 4014936278.9885
Area 1.2827660283963E+18

Sphere

Radius = n
Volume 1.0929114481636E+27
Surface area 5.1310641135854E+18
Circumference 4014936278.9885

Square

Length = n
Perimeter 2555987820
Area 408317108499272025
Diagonal 903678160.07611

Cube

Length = n
Surface area 2449902650995632150
Volume 2.6091338900544E+26
Space diagonal 1106775191.9418

Equilateral Triangle

Length = n
Perimeter 1916990865
Area 1.7680649438009E+17
Altitude 553387595.9709

Triangular Pyramid

Length = n
Surface area 1.7680649438009E+17
Volume 3.0748937778018E+25
Height 301226053.3587