21897009 (number)

21897009 is an odd 8-digits composite number following 21897008 and preceding 21897010. In scientific notation, it is written as 2.1897009 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 14598000 positive integers (up to 21897009) that are relatively prime to 21897009.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand nine

Notation

Scientific notation 2.1897009 × 10^7
Engineering notation 2.1897009 × 10^6

Prime Factorization of 21897009

Prime Factorization 9 × 2433001

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21897009
Product of the distinct prime numbers

The prime factorization of 21897009 is 9 × 2433001. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21897009)

Multiplication

n×y
n×2 43794018
n×3 65691027
n×4 87588036
n×5 109485045

Division

n÷y
n÷2 10948504.5
n÷3 7299003
n÷3 5474252.25
n÷5 4379401.8

Exponentiation

ny
n2 479479003146081
n3 1.0499156047201E+22
n4 2.2990011445796E+29
n5 5.034124875387E+36

Nth Root

y√n
2√n 4679.4240030158
3√n 279.76599922393
4√n 68.406315519956
5√n 29.381702657873

Divisors of 21897009

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 -21897008
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 21897009 can be divided by 4 positive divisors. The sum of these divisors (counting 21897009) is 1, the average is 0.25.

Base conversion 21897009

Base System Value
2 Binary 1010011100001111100110001
3 Ternary 1112012111001100
4 Quaternary 1103201330301
5 Quinary 21101201014
6 Senary 2101155013
8 Octal 123417461
10 Decimal 21897009
12 Duodecimal 73bba69
16 Hexadecimal 14e1f31
20 Vigesimal 6gh2a9
36 Base36 d1bu9

Cryptographic Hash Functions

md5 c20b4123ab1eeb2df66301cac9c83b47
sha1 eb7e27800f0e5fa968f857712b41829b00d52c6f
sha256 1e052c2fe430c993fb387157bb37abc8c5bce39ce5cedecb98e690363dd20598
sha512 c739fdb120345e4c0c3b2ada0184b6a1538ca46d430c2c6cc244d00acf3fc9865b58947dc37435fbecbca87e469daef270e927058b2750e45d9ae30b90184592
ripemd-160 91f6af9eded4a23a00f393d8a893153d31155bab

21897009 as geometric shapes

Circle

Radius = n
Diameter 43794018
Circumference 137582965.21998
Area 1.5063277138343E+15

Sphere

Radius = n
Volume 4.3978762009038E+22
Surface area 6.0253108553371E+15
Circumference 137582965.21998

Square

Length = n
Perimeter 87588036
Area 479479003146081
Diagonal 30967047.103206

Cube

Length = n
Surface area 2876874018876486
Volume 1.0499156047201E+22
Space diagonal 37926732.121793

Equilateral Triangle

Length = n
Perimeter 65691027
Area 2.0762049865287E+14
Altitude 18963366.060896

Triangular Pyramid

Length = n
Surface area 2.0762049865287E+14
Volume 1.2373374062852E+21
Height 10322349.034402