638994005 (number)

638994005 is an odd 9-digits composite number following 638994004 and preceding 638994006. In scientific notation, it is written as 6.38994005 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 470065728 positive integers (up to 638994005) that are relatively prime to 638994005.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38994005 × 10^8
Engineering notation 6.38994005 × 10^6

Prime Factorization of 638994005

Prime Factorization 65 × 263 × 37379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638994005
Product of the distinct prime numbers

The prime factorization of 638994005 is 65 × 263 × 37379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638994005)

Multiplication

n×y
n×2 1277988010
n×3 1916982015
n×4 2555976020
n×5 3194970025

Division

n÷y
n÷2 319497002.5
n÷3 212998001.66667
n÷3 159748501.25
n÷5 127798801

Exponentiation

ny
n2 408313338425940025
n3 2.6090977541571E+26
n4 1.6671978233654E+35
n5 1.0653294142795E+44

Nth Root

y√n
2√n 25278.330739984
3√n 861.32210786391
4√n 158.991605879
5√n 57.689842957732

Divisors of 638994005

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638994004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638994005 can be divided by 8 positive divisors. The sum of these divisors (counting 638994005) is 1, the average is 0.125.

Base conversion 638994005

Base System Value
2 Binary 100110000101100100011001010101
3 Ternary 1122112101020222122
4 Quaternary 212011210121111
5 Quinary 2302040302010
6 Senary 143223505325
8 Octal 4605443125
10 Decimal 638994005
12 Duodecimal 159bb8245
16 Hexadecimal 26164655
20 Vigesimal 9jde505
36 Base36 akfuxh

Cryptographic Hash Functions

md5 350833c3272ad641e1255cbb37c40566
sha1 98f6aa6956cba16b13b9adc962871f4a5a56d3a8
sha256 d19025eae3ffc3417802c0a8ec8b24b8484a6e1f75de8a1fc7e6953bf415eb05
sha512 d86d6bdf1ddbd4e117139375fc6b59cdb003accc62029aeb4ba9f6ebc273babec84021dd7b45909191e764813661a7672b6be15ea06212e2754608f7cadb6ca1
ripemd-160 732225c752693d94358fcf56179c5f4c50d8e700

638994005 as geometric shapes

Circle

Radius = n
Diameter 1277988010
Circumference 4014917743.5918
Area 1.2827541843617E+18

Sphere

Radius = n
Volume 1.0928963115944E+27
Surface area 5.1310167374466E+18
Circumference 4014917743.5918

Square

Length = n
Perimeter 2555976020
Area 408313338425940025
Diagonal 903673988.1461

Cube

Length = n
Surface area 2449880030555640150
Volume 2.6090977541571E+26
Space diagonal 1106770082.3919

Equilateral Triangle

Length = n
Perimeter 1916982015
Area 1.7680486189045E+17
Altitude 553385041.19596

Triangular Pyramid

Length = n
Surface area 1.7680486189045E+17
Volume 3.0748511912385E+25
Height 301224662.71537