28732021 (number)

28732021 is an odd 8-digits composite number following 28732020 and preceding 28732022. In scientific notation, it is written as 2.8732021 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 28031200 positive integers (up to 28732021) that are relatively prime to 28732021.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred thirty-two thousand twenty-one

Notation

Scientific notation 2.8732021 × 10^7
Engineering notation 2.8732021 × 10^6

Prime Factorization of 28732021

Prime Factorization 41 × 700781

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28732021
Product of the distinct prime numbers

The prime factorization of 28732021 is 41 × 700781. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28732021)

Multiplication

n×y
n×2 57464042
n×3 86196063
n×4 114928084
n×5 143660105

Division

n÷y
n÷2 14366010.5
n÷3 9577340.3333333
n÷3 7183005.25
n÷5 5746404.2

Exponentiation

ny
n2 825529030744441
n3 2.3719117447459E+22
n4 6.8149818060186E+29
n5 1.9580820036514E+37

Nth Root

y√n
2√n 5360.2258347946
3√n 306.28241189652
4√n 73.213563188761
5√n 31.022245832059

Divisors of 28732021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28732020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28732021 can be divided by 4 positive divisors. The sum of these divisors (counting 28732021) is 1, the average is 0.25.

Base conversion 28732021

Base System Value
2 Binary 1101101100110101001110101
3 Ternary 2000001201220221
4 Quaternary 1231212221311
5 Quinary 24323411041
6 Senary 2503454341
8 Octal 155465165
10 Decimal 28732021
12 Duodecimal 97573b1
16 Hexadecimal 1b66a75
20 Vigesimal 8jba11
36 Base36 h3trp

Cryptographic Hash Functions

md5 5e6165d4051b333df6bc3826c2dc696e
sha1 d596e2417ebbe559504033d9f48c708d2d8cbcf5
sha256 06543777c211f4d04c9870d3931079d0b20d6174668375bcbdb2cf6caeac3f54
sha512 7589fec39ea022c67c60fd030db620202b18bba7e40f9fc1e959ca486c8f7ea9b576c09db8e4a1b46e06af9d5352e9850225043369d34acacf5f8d4c47d5ecf4
ripemd-160 9672b822307fd8b8c298dbc760aa89091de9c296

28732021 as geometric shapes

Circle

Radius = n
Diameter 57464042
Circumference 180528612.19278
Area 2.5934759383118E+15

Sphere

Radius = n
Volume 9.9354406830094E+22
Surface area 1.0373903753247E+16
Circumference 180528612.19278

Square

Length = n
Perimeter 114928084
Area 825529030744441
Diagonal 40633213.772589

Cube

Length = n
Surface area 4953174184466646
Volume 2.3719117447459E+22
Space diagonal 49765320.176136

Equilateral Triangle

Length = n
Perimeter 86196063
Area 3.5746455609312E+14
Altitude 24882660.088068

Triangular Pyramid

Length = n
Surface area 3.5746455609312E+14
Volume 2.7953247984764E+21
Height 13544404.590863