28668738 (number)

28668738 is an even 8-digits composite number following 28668737 and preceding 28668739. In scientific notation, it is written as 2.8668738 × 10^7. The sum of its digits is 48. It has a total of 6 prime factors and 64 positive divisors. There are 7810560 positive integers (up to 28668738) that are relatively prime to 28668738.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-eight thousand seven hundred thirty-eight

Notation

Scientific notation 2.8668738 × 10^7
Engineering notation 2.8668738 × 10^6

Prime Factorization of 28668738

Prime Factorization 2 × 3 × 31 × 7 × 227 × 97

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 28668738
Product of the distinct prime numbers

The prime factorization of 28668738 is 2 × 3 × 31 × 7 × 227 × 97. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 8, 89, 38, 131, 250, 2395, 8645, 4135, 9649, 266627, 778284, 2490186, 8997952, 91725184, 31996574, 155976040, 904016993, 1560128228, 5761941683

Basic calculations (n = 28668738)

Multiplication

n×y
n×2 57337476
n×3 86006214
n×4 114674952
n×5 143343690

Division

n÷y
n÷2 14334369
n÷3 9556246
n÷3 7167184.5
n÷5 5733747.6

Exponentiation

ny
n2 821896538512644
n3 2.3562736525726E+22
n4 6.7551392001907E+29
n5 1.936613158838E+37

Nth Root

y√n
2√n 5354.3195646132
3√n 306.0573816949
4√n 73.17321616967
5√n 31.008568321144

Divisors of 28668738

1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 97, 186, 194, 217, 227, 291, 434, 454, 582, 651, 679, 681, 1302, 1358, 1362, 1589, 2037, 3007, 3178, 4074, 4767, 6014, 7037, 9021, 9534, 14074, 18042, 21049, 21111, 22019, 42098, 42222, 44038, 49259, 63147, 66057, 98518, 126294, 132114, 147777, 154133, 295554, 308266, 462399, 682589, 924798, 1365178, 2047767, 4095534, 4778123, 9556246, 14334369, 28668738

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28668737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28668738 can be divided by 64 positive divisors. The sum of these divisors (counting 28668738) is 1, the average is 0.015625.

Base conversion 28668738

Base System Value
2 Binary 1101101010111001101000010
3 Ternary 1222221112010010
4 Quaternary 1231113031002
5 Quinary 24314344423
6 Senary 2502245350
8 Octal 155271502
10 Decimal 28668738
12 Duodecimal 9726856
16 Hexadecimal 1b57342
20 Vigesimal 8j3bgi
36 Base36 h2gxu

Cryptographic Hash Functions

md5 9ba2066799644e0052f28bf77bebf12d
sha1 40be3433f82ace1254e164c46ada5e1e8c9f2480
sha256 5a51aecdc2e3c23e9d51445ba1ee5345897544a97d46a7b9be995dececce6a3c
sha512 7d4ce1459fe2b6b88ec32fb013855b4a3c6ab7f82f69a7d69ebc622e87e6db32c3eae3b4c3e76af4f613a8edee29e96bb5768a119fac7c5a9e0e3dec526adb6b
ripemd-160 39b8470cc597c33d0b714f4747eace62d24bc96b

28668738 as geometric shapes

Circle

Radius = n
Diameter 57337476
Circumference 180130993.37698
Area 2.5820641274022E+15

Sphere

Radius = n
Volume 9.8699359956923E+22
Surface area 1.0328256509609E+16
Circumference 180130993.37698

Square

Length = n
Perimeter 114674952
Area 821896538512644
Diagonal 40543718.095721

Cube

Length = n
Surface area 4931379231075864
Volume 2.3562736525726E+22
Space diagonal 49655710.804881

Equilateral Triangle

Length = n
Perimeter 86006214
Area 3.5589164081722E+14
Altitude 24827855.40244

Triangular Pyramid

Length = n
Surface area 3.5589164081722E+14
Volume 2.7768951301088E+21
Height 13514572.698574