638541666 (number)

638541666 is an even 9-digits composite number following 638541665 and preceding 638541667. In scientific notation, it is written as 6.38541666 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 182103552 positive integers (up to 638541666) that are relatively prime to 638541666.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred forty-one thousand six hundred sixty-six

Notation

Scientific notation 6.38541666 × 10^8
Engineering notation 6.38541666 × 10^6

Prime Factorization of 638541666

Prime Factorization 2 × 9 × 7 × 577 × 8783

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 638541666
Product of the distinct prime numbers

The prime factorization of 638541666 is 2 × 9 × 7 × 577 × 8783. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 97, 36, 81, 280, 2767, 4476, 70998, 41791, 205310, 855917, 3489249, 1009192, 7776519, 78491300, 979195566, 342052487, 1027577370, 65633631

Basic calculations (n = 638541666)

Multiplication

n×y
n×2 1277083332
n×3 1915624998
n×4 2554166664
n×5 3192708330

Division

n÷y
n÷2 319270833
n÷3 212847222
n÷3 159635416.5
n÷5 127708333.2

Exponentiation

ny
n2 407735459218055556
n3 2.6035607941637E+26
n4 1.6624820470376E+35
n5 1.0615640560105E+44

Nth Root

y√n
2√n 25269.381986903
3√n 861.11881876263
4√n 158.96346116923
5√n 57.681673003744

Divisors of 638541666

1, 2, 7, 9, 14, 18, 63, 126, 577, 1154, 4039, 5193, 8078, 8783, 10386, 17566, 36351, 61481, 72702, 79047, 122962, 158094, 553329, 1106658, 5067791, 10135582, 35474537, 45610119, 70949074, 91220238, 319270833, 638541666

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638541665
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638541666 can be divided by 32 positive divisors. The sum of these divisors (counting 638541666) is 1, the average is 0.03125.

Base conversion 638541666

Base System Value
2 Binary 100110000011110101111101100010
3 Ternary 1122111112021111100
4 Quaternary 212003311331202
5 Quinary 2301431313131
6 Senary 143210055230
8 Octal 4603657542
10 Decimal 638541666
12 Duodecimal 159a1a516
16 Hexadecimal 260f5f62
20 Vigesimal 9jahe36
36 Base36 ak65wi

Cryptographic Hash Functions

md5 13b63d50b54ee811e7e44ecef32ac72d
sha1 303148ea751b5bc414040668db7a73517a8f3ca1
sha256 9f95e2e2399494313844fa7ee060fdbacee24bf2b638330c344bcadbd61eff77
sha512 788dbf14c10db9287dbd0bab84bfa15a80cda30aeaa4a1d5bf6dd54310cfca7b614ec9015b09e311d5c33fcf08500e7792b7344c11d8b72add73ec749e6277b0
ripemd-160 1ea6e6cf6211529b338aa1b760afa0c048d4f144

638541666 as geometric shapes

Circle

Radius = n
Diameter 1277083332
Circumference 4012075613.8332
Area 1.2809387232875E+18

Sphere

Radius = n
Volume 1.0905769952159E+27
Surface area 5.12375489315E+18
Circumference 4012075613.8332

Square

Length = n
Perimeter 2554166664
Area 407735459218055556
Diagonal 903034284.19751

Cube

Length = n
Surface area 2446412755308333336
Volume 2.6035607941637E+26
Space diagonal 1105986608.2617

Equilateral Triangle

Length = n
Perimeter 1915624998
Area 1.7655463285328E+17
Altitude 552993304.13084

Triangular Pyramid

Length = n
Surface area 1.7655463285328E+17
Volume 3.0683258213077E+25
Height 301011428.06584