638994910 (number)

638994910 is an even 9-digits composite number following 638994909 and preceding 638994911. In scientific notation, it is written as 6.38994910 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 254724448 positive integers (up to 638994910) that are relatively prime to 638994910.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38994910 × 10^8
Engineering notation 6.38994910 × 10^6

Prime Factorization of 638994910

Prime Factorization 2 × 5 × 293 × 218087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638994910
Product of the distinct prime numbers

The prime factorization of 638994910 is 2 × 5 × 293 × 218087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638994910)

Multiplication

n×y
n×2 1277989820
n×3 1916984730
n×4 2555979640
n×5 3194974550

Division

n÷y
n÷2 319497455
n÷3 212998303.33333
n÷3 159748727.5
n÷5 127798982

Exponentiation

ny
n2 408314495005908100
n3 2.60910883988E+26
n4 1.6672072683193E+35
n5 1.065336958371E+44

Nth Root

y√n
2√n 25278.348640685
3√n 861.32251449065
4√n 158.99166217348
5√n 57.689859298818

Divisors of 638994910

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 -638994909
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 638994910 can be divided by 16 positive divisors. The sum of these divisors (counting 638994910) is 1, the average is 0.0625.

Base conversion 638994910

Base System Value
2 Binary 100110000101100100100111011110
3 Ternary 1122112101022020011
4 Quaternary 212011210213132
5 Quinary 2302040314120
6 Senary 143223513434
8 Octal 4605444736
10 Decimal 638994910
12 Duodecimal 159bb887a
16 Hexadecimal 261649de
20 Vigesimal 9jde75a
36 Base36 akfvmm

Cryptographic Hash Functions

md5 e6fffb539ca45624c89b5b08367a28cb
sha1 6e6f06dacbedc674a558afaa92c77babd20fb928
sha256 012149722d67408fccae4fd9ed1278ea6fe953c9ba43925f8b5395378e74258c
sha512 a7c90e90b800abeab46774d7990055a0db9b82884f3601700e057d7e334c97c35d8654a90159e40917edd45f940b82d213bc72a57edc6a69aba31d2e61c5e703
ripemd-160 ed68a7da620cf396b42bffbfbe117c5687985402

638994910 as geometric shapes

Circle

Radius = n
Diameter 1277989820
Circumference 4014923429.8745
Area 1.2827578178648E+18

Sphere

Radius = n
Volume 1.0929009551711E+27
Surface area 5.1310312714591E+18
Circumference 4014923429.8745

Square

Length = n
Perimeter 2555979640
Area 408314495005908100
Diagonal 903675268.00938

Cube

Length = n
Surface area 2449886970035448600
Volume 2.60910883988E+26
Space diagonal 1106771649.8979

Equilateral Triangle

Length = n
Perimeter 1916984730
Area 1.7680536270427E+17
Altitude 553385824.94895

Triangular Pyramid

Length = n
Surface area 1.7680536270427E+17
Volume 3.0748642558881E+25
Height 301225089.33646