28668744 (number)

28668744 is an even 8-digits composite number following 28668743 and preceding 28668745. In scientific notation, it is written as 2.8668744 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors. There are 8709120 positive integers (up to 28668744) that are relatively prime to 28668744.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8668744 × 10^7
Engineering notation 2.8668744 × 10^6

Prime Factorization of 28668744

Prime Factorization 2 × 2 × 2 × 117 × 281 × 109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7167186
Product of the distinct prime numbers

The prime factorization of 28668744 is 2 × 2 × 2 × 117 × 281 × 109. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 6, 79, 46, 258, 114, 5554, 1148, 47194, 8675, 901429, 181936, 3370489, 1460963, 39937063, 41369699, 782713422, 981707718, 4408016303, 9574555808

Basic calculations (n = 28668744)

Multiplication

n×y
n×2 57337488
n×3 86006232
n×4 114674976
n×5 143343720

Division

n÷y
n÷2 14334372
n÷3 9556248
n÷3 7167186
n÷5 5733748.8

Exponentiation

ny
n2 821896882537536
n3 2.3562751319867E+22
n4 6.7551448552492E+29
n5 1.9366151853806E+37

Nth Root

y√n
2√n 5354.3201249085
3√n 306.05740304619
4√n 73.173219998224
5√n 31.008569619083

Divisors of 28668744

1, 2, 4, 8, 109, 117, 218, 234, 281, 436, 468, 562, 872, 936, 1124, 2248, 12753, 25506, 30629, 32877, 51012, 61258, 65754, 102024, 122516, 131508, 245032, 263016, 3583593, 7167186, 14334372, 28668744

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 -28668743
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 28668744 can be divided by 32 positive divisors. The sum of these divisors (counting 28668744) is 1, the average is 0.03125.

Base conversion 28668744

Base System Value
2 Binary 1101101010111001101001000
3 Ternary 1222221112010100
4 Quaternary 1231113031020
5 Quinary 24314344434
6 Senary 2502245400
8 Octal 155271510
10 Decimal 28668744
12 Duodecimal 9726860
16 Hexadecimal 1b57348
20 Vigesimal 8j3bh4
36 Base36 h2gy0

Cryptographic Hash Functions

md5 ea68afd2dcf5bf2083d3995df1838266
sha1 eacb9a33d4f30459839be5aeae8881a64628ce81
sha256 564554bf2b37502b9322ba17d3b4c19ecddc5b0407c282a23d93e7ff18399628
sha512 5f03ba10ac02128d725156260fbc540f4f46d9ad04d21f365248f2f5bd0c8063fad3ef0b138874d1ffac606475c5a08f47044f5ea4172cf6a75381d8112d6c8f
ripemd-160 cedfdb73179107e7571b032bcee2fd7d50c26a17

28668744 as geometric shapes

Circle

Radius = n
Diameter 57337488
Circumference 180131031.07609
Area 2.5820652081883E+15

Sphere

Radius = n
Volume 9.8699421926475E+22
Surface area 1.0328260832753E+16
Circumference 180131031.07609

Square

Length = n
Perimeter 114674976
Area 821896882537536
Diagonal 40543726.581002

Cube

Length = n
Surface area 4931381295225216
Volume 2.3562751319867E+22
Space diagonal 49655721.197185

Equilateral Triangle

Length = n
Perimeter 86006232
Area 3.5589178978437E+14
Altitude 24827860.598593

Triangular Pyramid

Length = n
Surface area 3.5589178978437E+14
Volume 2.776896873615E+21
Height 13514575.527001