638994911 (number)

638994911 is an odd 9-digits prime number following 638994910 and preceding 638994912. In scientific notation, it is written as 6.38994911 × 10^8. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 638994910 positive integers (up to 638994911) that are relatively prime to 638994911.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38994911 × 10^8
Engineering notation 6.38994911 × 10^6

Prime Factorization of 638994911

Prime Factorization 638994911

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 638994911
Product of the distinct prime numbers

The prime factorization of 638994911 is 638994911. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 9, 55, 100, 45, 257, 9552, 3157, 45873, 14954, 634575, 231525, 8388991, 3186970, 13753820, 81638346, 465014030, 289546940, 4377688556, 3802046478

Basic calculations (n = 638994911)

Multiplication

n×y
n×2 1277989822
n×3 1916984733
n×4 2555979644
n×5 3194974555

Division

n÷y
n÷2 319497455.5
n÷3 212998303.66667
n÷3 159748727.75
n÷5 127798982.2

Exponentiation

ny
n2 408314496283897921
n3 2.6091088521294E+26
n4 1.6672072787557E+35
n5 1.0653369667071E+44

Nth Root

y√n
2√n 25278.348660464
3√n 861.32251493996
4√n 158.99166223568
5√n 57.689859316874

Divisors of 638994911

1, 638994911

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 638994912
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 319497456
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25278.348680244
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999968701
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638994911 can be divided by 2 positive divisors. The sum of these divisors (counting 638994911) is 638994912, the average is 319497456.

Base conversion 638994911

Base System Value
2 Binary 100110000101100100100111011111
3 Ternary 1122112101022020012
4 Quaternary 212011210213133
5 Quinary 2302040314121
6 Senary 143223513435
8 Octal 4605444737
10 Decimal 638994911
12 Duodecimal 159bb887b
16 Hexadecimal 261649df
20 Vigesimal 9jde75b
36 Base36 akfvmn

Cryptographic Hash Functions

md5 107c68f7ab660d5492da7224bc9bb451
sha1 3acbc3ee394433d1d6980384091527ab9d3da15d
sha256 464531c0f8504523df38710b958b8a4aa7961f27272c783de2e6a88a3e1a214f
sha512 b0a0a44053ea7bc830b23acd636dd6bad60bcdb33915d3e0846ae998c7884a256f2b6234522c34aa4398988c19f95e41b75636d90b23e46f5f8f38c558f7c5f1
ripemd-160 64f3ab52ab249f10d63b58450518209e848e4692

638994911 as geometric shapes

Circle

Radius = n
Diameter 1277989822
Circumference 4014923436.1577
Area 1.2827578218797E+18

Sphere

Radius = n
Volume 1.0929009603021E+27
Surface area 5.1310312875188E+18
Circumference 4014923436.1577

Square

Length = n
Perimeter 2555979644
Area 408314496283897921
Diagonal 903675269.42359

Cube

Length = n
Surface area 2449886977703387526
Volume 2.6091088521294E+26
Space diagonal 1106771651.63

Equilateral Triangle

Length = n
Perimeter 1916984733
Area 1.7680536325765E+17
Altitude 553385825.81498

Triangular Pyramid

Length = n
Surface area 1.7680536325765E+17
Volume 3.0748642703242E+25
Height 301225089.80786