28821423 (number)

28821423 is an odd 8-digits composite number following 28821422 and preceding 28821424. In scientific notation, it is written as 2.8821423 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 18202968 positive integers (up to 28821423) that are relatively prime to 28821423.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred twenty-three

Notation

Scientific notation 2.8821423 × 10^7
Engineering notation 2.8821423 × 10^6

Prime Factorization of 28821423

Prime Factorization 3 × 19 × 505639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28821423
Product of the distinct prime numbers

The prime factorization of 28821423 is 3 × 19 × 505639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 4, 34, 18, 196, 307, 7891, 2267, 29085, 57506, 69065, 704220, 2202760, 7183802, 63842596, 85536795, 388324740, 129997643, 717212331, 6524558607

Basic calculations (n = 28821423)

Multiplication

n×y
n×2 57642846
n×3 86464269
n×4 115285692
n×5 144107115

Division

n÷y
n÷2 14410711.5
n÷3 9607141
n÷3 7205355.75
n÷5 5764284.6

Exponentiation

ny
n2 830674423744929
n3 2.3941218942034E+22
n4 6.9001999826397E+29
n5 1.9887358248425E+37

Nth Root

y√n
2√n 5368.5587451382
3√n 306.59975711539
4√n 73.270449330806
5√n 31.04152749224

Divisors of 28821423

1, 3, 19, 57, 505639, 1516917, 9607141, 28821423

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 -28821422
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 28821423 can be divided by 8 positive divisors. The sum of these divisors (counting 28821423) is 1, the average is 0.125.

Base conversion 28821423

Base System Value
2 Binary 1101101111100011110101111
3 Ternary 2000020021120010
4 Quaternary 1231330132233
5 Quinary 24334241143
6 Senary 2505424303
8 Octal 155743657
10 Decimal 28821423
12 Duodecimal 979b093
16 Hexadecimal 1b7c7af
20 Vigesimal 902db3
36 Base36 h5qr3

Cryptographic Hash Functions

md5 d943e2bea6a590e44982591c55534cf7
sha1 4b7df13b76885003c7392b796e8ac8e4d5195093
sha256 99f5a935d9b5beb9fc2d4fec8c5676fae5d2effb5e375d48437515889380a8f3
sha512 b3e0898a78394266a79ddf01d004d6873602c5de48d0115a16a17d0f5c1d289fe39f0bb93271354510a526e0f3d8f624d9d8c718283649310d8a7250350843c3
ripemd-160 a8c2c05b8c92e04030eb0f854e16c4b305e0b2ee

28821423 as geometric shapes

Circle

Radius = n
Diameter 57642846
Circumference 181090341.52561
Area 2.609640667162E+15

Sphere

Radius = n
Volume 1.0028474339504E+23
Surface area 1.0438562668648E+16
Circumference 181090341.52561

Square

Length = n
Perimeter 115285692
Area 830674423744929
Diagonal 40759647.293492

Cube

Length = n
Surface area 4984046542469574
Volume 2.3941218942034E+22
Space diagonal 49920168.982434

Equilateral Triangle

Length = n
Perimeter 86464269
Area 3.5969257661855E+14
Altitude 24960084.491217

Triangular Pyramid

Length = n
Surface area 3.5969257661855E+14
Volume 2.8214997106307E+21
Height 13586549.097831