28668726 (number)

28668726 is an even 8-digits composite number following 28668725 and preceding 28668727. In scientific notation, it is written as 2.8668726 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 9480240 positive integers (up to 28668726) that are relatively prime to 28668726.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8668726 × 10^7
Engineering notation 2.8668726 × 10^6

Prime Factorization of 28668726

Prime Factorization 2 × 9 × 127 × 12541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28668726
Product of the distinct prime numbers

The prime factorization of 28668726 is 2 × 9 × 127 × 12541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 30, 23, 770, 994, 6432, 8365, 99294, 65725, 214976, 220961, 7673211, 9428937, 33238962, 64733923, 468641710, 701066936, 6689664152, 6972727769

Basic calculations (n = 28668726)

Multiplication

n×y
n×2 57337452
n×3 86006178
n×4 114674904
n×5 143343630

Division

n÷y
n÷2 14334363
n÷3 9556242
n÷3 7167181.5
n÷5 5733745.2

Exponentiation

ny
n2 821895850463076
n3 2.3562706937463E+22
n4 6.7551278900842E+29
n5 1.9366091057578E+37

Nth Root

y√n
2√n 5354.3184440225
3√n 306.0573389923
4√n 73.17320851256
5√n 31.008565725265

Divisors of 28668726

1, 2, 9, 18, 127, 254, 1143, 2286, 12541, 25082, 112869, 225738, 1592707, 3185414, 14334363, 28668726

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28668725
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28668726 can be divided by 16 positive divisors. The sum of these divisors (counting 28668726) is 1, the average is 0.0625.

Base conversion 28668726

Base System Value
2 Binary 1101101010111001100110110
3 Ternary 1222221112002200
4 Quaternary 1231113030312
5 Quinary 24314344401
6 Senary 2502245330
8 Octal 155271466
10 Decimal 28668726
12 Duodecimal 9726846
16 Hexadecimal 1b57336
20 Vigesimal 8j3bg6
36 Base36 h2gxi

Cryptographic Hash Functions

md5 6a8c7e1fbba72cc208634b54cea896b1
sha1 e10d01b98801e4a56be52ba62f59ce615e90607b
sha256 6c3730c172f52bff1ab678627412bb96111503960d8e271e1917d6b0c3be1b31
sha512 241756bfa399ddf6cdc08eadeb667dc491fda05b1a73a77d897ec56cf5127dea044b84fcfdeee4ea903945a88b234306bf5dff35d26063916acc601e019f8743
ripemd-160 88c13d1cdaff8edbf80d686b77c7c80ccb262d68

28668726 as geometric shapes

Circle

Radius = n
Diameter 57337452
Circumference 180130917.97876
Area 2.5820619658307E+15

Sphere

Radius = n
Volume 9.8699236017897E+22
Surface area 1.0328247863323E+16
Circumference 180130917.97876

Square

Length = n
Perimeter 114674904
Area 821895850463076
Diagonal 40543701.125158

Cube

Length = n
Surface area 4931375102778456
Volume 2.3562706937463E+22
Space diagonal 49655690.020271

Equilateral Triangle

Length = n
Perimeter 86006178
Area 3.5589134288302E+14
Altitude 24827845.010135

Triangular Pyramid

Length = n
Surface area 3.5589134288302E+14
Volume 2.7768916430986E+21
Height 13514567.041719