21490189 (number)

21490189 is an odd 8-digits composite number following 21490188 and preceding 21490190. In scientific notation, it is written as 2.1490189 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 17784816 positive integers (up to 21490189) that are relatively prime to 21490189.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand one hundred eighty-nine

Notation

Scientific notation 2.1490189 × 10^7
Engineering notation 2.1490189 × 10^6

Prime Factorization of 21490189

Prime Factorization 29 × 7 × 105863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490189
Product of the distinct prime numbers

The prime factorization of 21490189 is 29 × 7 × 105863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490189)

Multiplication

n×y
n×2 42980378
n×3 64470567
n×4 85960756
n×5 107450945

Division

n÷y
n÷2 10745094.5
n÷3 7163396.3333333
n÷3 5372547.25
n÷5 4298037.8

Exponentiation

ny
n2 461828223255721
n3 9.9247758032996E+21
n4 2.1328530779554E+29
n5 4.5835415754492E+36

Nth Root

y√n
2√n 4635.7511796903
3√n 278.02258585023
4√n 68.086350905966
5√n 29.271706841122

Divisors of 21490189

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 -21490188
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 21490189 can be divided by 8 positive divisors. The sum of these divisors (counting 21490189) is 1, the average is 0.125.

Base conversion 21490189

Base System Value
2 Binary 1010001111110101000001101
3 Ternary 1111102210222221
4 Quaternary 1101332220031
5 Quinary 21000141224
6 Senary 2044335341
8 Octal 121765015
10 Decimal 21490189
12 Duodecimal 7244551
16 Hexadecimal 147ea0d
20 Vigesimal 6e6599
36 Base36 cslxp

Cryptographic Hash Functions

md5 c9152159f9c5c2bb62edcc980b54d85b
sha1 716c9d93681489dff881843c976156ebed667505
sha256 30151efa6ae53872cc3dd43fe5a9305edd6ccb577b0835b9359e44adbb24d9a8
sha512 df984f477c6bc9b8119088c960fe9c5f04bcc1030f70e75cc051945176c0c5b8ac70e2727711cd79c14cf0e3fbded1eb3b1fc8ac23187ca9ba7763b287a0f480
ripemd-160 6dd2bc0b8411a912d4760231c2186fcd8f5f8b15

21490189 as geometric shapes

Circle

Radius = n
Diameter 42980378
Circumference 135026839.77331
Area 1.4508761534006E+15

Sphere

Radius = n
Volume 4.1572803669563E+22
Surface area 5.8035046136024E+15
Circumference 135026839.77331

Square

Length = n
Perimeter 85960756
Area 461828223255721
Diagonal 30391716.741761

Cube

Length = n
Surface area 2770969339534326
Volume 9.9247758032996E+21
Space diagonal 37222099.212258

Equilateral Triangle

Length = n
Perimeter 64470567
Area 1.9997748676204E+14
Altitude 18611049.606129

Triangular Pyramid

Length = n
Surface area 1.9997748676204E+14
Volume 1.1696460453782E+21
Height 10130572.247254