21308811 (number)

21308811 is an odd 8-digits composite number following 21308810 and preceding 21308812. In scientific notation, it is written as 2.1308811 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13747560 positive integers (up to 21308811) that are relatively prime to 21308811.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1308811 × 10^7
Engineering notation 2.1308811 × 10^6

Prime Factorization of 21308811

Prime Factorization 3 × 31 × 229127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21308811
Product of the distinct prime numbers

The prime factorization of 21308811 is 3 × 31 × 229127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21308811)

Multiplication

n×y
n×2 42617622
n×3 63926433
n×4 85235244
n×5 106544055

Division

n÷y
n÷2 10654405.5
n÷3 7102937
n÷3 5327202.75
n÷5 4261762.2

Exponentiation

ny
n2 454065426233721
n3 9.6755943492488E+21
n4 2.0617541130081E+29
n5 4.3933528722562E+36

Nth Root

y√n
2√n 4616.1467697637
3√n 277.23820126972
4√n 67.942231121473
5√n 29.222128319154

Divisors of 21308811

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 -21308810
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 21308811 can be divided by 8 positive divisors. The sum of these divisors (counting 21308811) is 1, the average is 0.125.

Base conversion 21308811

Base System Value
2 Binary 1010001010010010110001011
3 Ternary 1111002121012020
4 Quaternary 1101102112023
5 Quinary 20423340221
6 Senary 2040415523
8 Octal 121222613
10 Decimal 21308811
12 Duodecimal 71775a3
16 Hexadecimal 145258b
20 Vigesimal 6d3c0b
36 Base36 copzf

Cryptographic Hash Functions

md5 e7f9e0df0e4ddeeef34c9c147305fc84
sha1 32d9264f8f525564ac4bc20e6c4a5374276977b0
sha256 7b9221fa4164f94119ad15df255ad91724016040f7b667f7a3d4dd9330e49a15
sha512 60ed24126b599cb3da1e800961d0cd042bab34ad0a6d1f4ef8146cf7133a7855d160b2cba32bf220a7a3b8d85334bc5971f83fc2b1c6a590850302bed4343665
ripemd-160 aaec5e5bb0c6625f77e994a7c72113e660f7693b

21308811 as geometric shapes

Circle

Radius = n
Diameter 42617622
Circumference 133887208.18867
Area 1.426488607305E+15

Sphere

Radius = n
Volume 4.052903483562E+22
Surface area 5.7059544292199E+15
Circumference 133887208.18867

Square

Length = n
Perimeter 85235244
Area 454065426233721
Diagonal 30135209.514245

Cube

Length = n
Surface area 2724392557402326
Volume 9.6755943492488E+21
Space diagonal 36907943.300883

Equilateral Triangle

Length = n
Perimeter 63926433
Area 1.9661609704931E+14
Altitude 18453971.650441

Triangular Pyramid

Length = n
Surface area 1.9661609704931E+14
Volume 1.140279729394E+21
Height 10045069.838082