21291009 (number)

21291009 is an odd 8-digits composite number following 21291008 and preceding 21291010. In scientific notation, it is written as 2.1291009 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 14183136 positive integers (up to 21291009) that are relatively prime to 21291009.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand nine

Notation

Scientific notation 2.1291009 × 10^7
Engineering notation 2.1291009 × 10^6

Prime Factorization of 21291009

Prime Factorization 3 × 2179 × 3257

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21291009
Product of the distinct prime numbers

The prime factorization of 21291009 is 3 × 2179 × 3257. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291009)

Multiplication

n×y
n×2 42582018
n×3 63873027
n×4 85164036
n×5 106455045

Division

n÷y
n÷2 10645504.5
n÷3 7097003
n÷3 5322752.25
n÷5 4258201.8

Exponentiation

ny
n2 453307064238081
n3 9.6513647844566E+21
n4 2.0548729448815E+29
n5 4.3750318363328E+36

Nth Root

y√n
2√n 4614.2181352858
3√n 277.16097547663
4√n 67.928036445092
5√n 29.217244083654

Divisors of 21291009

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 -21291008
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 21291009 can be divided by 8 positive divisors. The sum of these divisors (counting 21291009) is 1, the average is 0.125.

Base conversion 21291009

Base System Value
2 Binary 1010001001110000000000001
3 Ternary 1111001200202220
4 Quaternary 1101032000001
5 Quinary 20422303014
6 Senary 2040201253
8 Octal 121160001
10 Decimal 21291009
12 Duodecimal 7169229
16 Hexadecimal 144e001
20 Vigesimal 6d17a9
36 Base36 coc8x

Cryptographic Hash Functions

md5 696e56687188fd59a023c702e2deb880
sha1 8ed3b25a81e1f8ff4b40177c30b16d250394c8ac
sha256 acf14bc4a53adbdf42c2d07a36e517ed6e7c4f326d10192983548f32509b7a63
sha512 143e34aedbf91c7c372bd15bc2bb7fa8ffc91d9adf617a50ab2bc34b6d856b128235d9f2c2c47c871a100859ea7483f2d9ec20141451f98d445a166c171f794c
ripemd-160 96f700d1f6289285d324b259e2b31a4a4af7ce6b

21291009 as geometric shapes

Circle

Radius = n
Diameter 42582018
Circumference 133775354.92383
Area 1.4241061428307E+15

Sphere

Radius = n
Volume 4.0427542271952E+22
Surface area 5.6964245713228E+15
Circumference 133775354.92383

Square

Length = n
Perimeter 85164036
Area 453307064238081
Diagonal 30110033.684408

Cube

Length = n
Surface area 2719842385428486
Volume 9.6513647844566E+21
Space diagonal 36877109.332406

Equilateral Triangle

Length = n
Perimeter 63873027
Area 1.9628771667256E+14
Altitude 18438554.666203

Triangular Pyramid

Length = n
Surface area 1.9628771667256E+14
Volume 1.137424247799E+21
Height 10036677.894803