28963721 (number)

28963721 is an odd 8-digits composite number following 28963720 and preceding 28963722. In scientific notation, it is written as 2.8963721 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 27964944 positive integers (up to 28963721) that are relatively prime to 28963721.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred sixty-three thousand seven hundred twenty-one

Notation

Scientific notation 2.8963721 × 10^7
Engineering notation 2.8963721 × 10^6

Prime Factorization of 28963721

Prime Factorization 29 × 998749

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28963721
Product of the distinct prime numbers

The prime factorization of 28963721 is 29 × 998749. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28963721)

Multiplication

n×y
n×2 57927442
n×3 86891163
n×4 115854884
n×5 144818605

Division

n÷y
n÷2 14481860.5
n÷3 9654573.6666667
n÷3 7240930.25
n÷5 5792744.2

Exponentiation

ny
n2 838897134165841
n3 2.4297582541679E+22
n4 7.0374840171166E+29
n5 2.0383172361372E+37

Nth Root

y√n
2√n 5381.7953324146
3√n 307.10351349558
4√n 73.360720637236
5√n 31.07211897027

Divisors of 28963721

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 -28963720
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 28963721 can be divided by 4 positive divisors. The sum of these divisors (counting 28963721) is 1, the average is 0.25.

Base conversion 28963721

Base System Value
2 Binary 1101110011111001110001001
3 Ternary 2000111111202102
4 Quaternary 1232133032021
5 Quinary 24403314341
6 Senary 2512443145
8 Octal 156371611
10 Decimal 28963721
12 Duodecimal 98494b5
16 Hexadecimal 1b9f389
20 Vigesimal 910961
36 Base36 h8sjt

Cryptographic Hash Functions

md5 14eabbbc2c04ce5e06416eb2994dff78
sha1 e22e3016e08fa57fca9ae2f2df54458656d76fb0
sha256 19a833b257587b9743763d604082534db8d245252e5f1d6194cff39c28b86758
sha512 02ec7c46d98f91238fbf815f5e32e28496f6bb7593827d77aa81f526f1b8e5a9ef306502d9a6b54d891683b282365a3824d6a7d6b3d8f1ea0eda430a837bcaaa
ripemd-160 af33ec5735558a9608281e1d1a1bfa6b24e4b123

28963721 as geometric shapes

Circle

Radius = n
Diameter 57927442
Circumference 181984426.22845
Area 2.6354730738129E+15

Sphere

Radius = n
Volume 1.0177747575057E+23
Surface area 1.0541892295252E+16
Circumference 181984426.22845

Square

Length = n
Perimeter 115854884
Area 838897134165841
Diagonal 40960887.05499

Cube

Length = n
Surface area 5033382804995046
Volume 2.4297582541679E+22
Space diagonal 50166636.34825

Equilateral Triangle

Length = n
Perimeter 86891163
Area 3.6325311467479E+14
Altitude 25083318.174125

Triangular Pyramid

Length = n
Surface area 3.6325311467479E+14
Volume 2.8634975636102E+21
Height 13653629.01833