28418638 (number)

28418638 is an even 8-digits composite number following 28418637 and preceding 28418639. In scientific notation, it is written as 2.8418638 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 14195544 positive integers (up to 28418638) that are relatively prime to 28418638.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eighteen thousand six hundred thirty-eight

Notation

Scientific notation 2.8418638 × 10^7
Engineering notation 2.8418638 × 10^6

Prime Factorization of 28418638

Prime Factorization 2 × 1123 × 12653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28418638
Product of the distinct prime numbers

The prime factorization of 28418638 is 2 × 1123 × 12653. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 25, 85, 476, 376, 657, 7692, 62594, 7179, 396266, 741765, 8047038, 8094382, 81932481, 65255707, 378271644, 63154540, 6491349588, 1940244514

Basic calculations (n = 28418638)

Multiplication

n×y
n×2 56837276
n×3 85255914
n×4 113674552
n×5 142093190

Division

n÷y
n÷2 14209319
n÷3 9472879.3333333
n÷3 7104659.5
n÷5 5683727.6

Exponentiation

ny
n2 807618985775044
n3 2.2951431598668E+22
n4 6.5224842618431E+29
n5 1.8536011909802E+37

Nth Root

y√n
2√n 5330.9134301731
3√n 305.16478777637
4√n 73.013104509897
5√n 30.954276098745

Divisors of 28418638

1, 2, 1123, 2246, 12653, 25306, 14209319, 28418638

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 -28418637
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 28418638 can be divided by 8 positive divisors. The sum of these divisors (counting 28418638) is 1, the average is 0.125.

Base conversion 28418638

Base System Value
2 Binary 1101100011010001001001110
3 Ternary 1222110211001011
4 Quaternary 1230122021032
5 Quinary 24233344023
6 Senary 2453035434
8 Octal 154321116
10 Decimal 28418638
12 Duodecimal 9625b7a
16 Hexadecimal 1b1a24e
20 Vigesimal 8hc6bi
36 Base36 gx3ym

Cryptographic Hash Functions

md5 9793518d347dc7ea9122256c257c8e0a
sha1 26609fed3eca1804d690c2272e0d20cadff067f3
sha256 3425d9770a831d4d6ee2295887fb1549cfd231b1a82877114a2a550b59172d8c
sha512 e3504fa421a83144e2b480957316263f6aefbe7b51c5f9d441e1071b7b2c8e7dbeb1143dff4be396a4ccf9cd8445338ff8e5d5e70f873246d318703144bcda96
ripemd-160 85da7c7a4cb2f45fe94c6081569480e590f9e665

28418638 as geometric shapes

Circle

Radius = n
Diameter 56837276
Circumference 178559568.73166
Area 2.5372098726105E+15

Sphere

Radius = n
Volume 9.6138731866326E+22
Surface area 1.0148839490442E+16
Circumference 178559568.73166

Square

Length = n
Perimeter 113674552
Area 807618985775044
Diagonal 40190023.283771

Cube

Length = n
Surface area 4845713914650264
Volume 2.2951431598668E+22
Space diagonal 49222524.897908

Equilateral Triangle

Length = n
Perimeter 85255914
Area 3.4970927912991E+14
Altitude 24611262.448954

Triangular Pyramid

Length = n
Surface area 3.4970927912991E+14
Volume 2.7048521535596E+21
Height 13396674.427924