21861189 (number)

21861189 is an odd 8-digits composite number following 21861188 and preceding 21861190. In scientific notation, it is written as 2.1861189 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 12492072 positive integers (up to 21861189) that are relatively prime to 21861189.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand one hundred eighty-nine

Notation

Scientific notation 2.1861189 × 10^7
Engineering notation 2.1861189 × 10^6

Prime Factorization of 21861189

Prime Factorization 3 × 3 × 7 × 347003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7287063
Product of the distinct prime numbers

The prime factorization of 21861189 is 3 × 3 × 7 × 347003. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21861189)

Multiplication

n×y
n×2 43722378
n×3 65583567
n×4 87444756
n×5 109305945

Division

n÷y
n÷2 10930594.5
n÷3 7287063
n÷3 5465297.25
n÷5 4372237.8

Exponentiation

ny
n2 477911584493721
n3 1.0447715473907E+22
n4 2.283994825933E+29
n5 4.9930842564743E+36

Nth Root

y√n
2√n 4675.5950423449
3√n 279.61336517494
4√n 68.378322898013
5√n 29.372083609687

Divisors of 21861189

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861188
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861189 can be divided by 12 positive divisors. The sum of these divisors (counting 21861189) is 1, the average is 0.083333333333333.

Base conversion 21861189

Base System Value
2 Binary 1010011011001001101000101
3 Ternary 1112010122220200
4 Quaternary 1103121031011
5 Quinary 21044024224
6 Senary 2100321113
8 Octal 123311505
10 Decimal 21861189
12 Duodecimal 73a3199
16 Hexadecimal 14d9345
20 Vigesimal 6gccj9
36 Base36 d0k79

Cryptographic Hash Functions

md5 10c044c1da6c53270742ba45acc0adaf
sha1 31330f473927c8bb886b303514b03d6b8d89268c
sha256 8b971f5db864d145286821a97c26dac87def16db2c9d510f3fae2c674a4a62d2
sha512 36f53920df837b49c895841eb27058842954f9f7746fba69a8be20e28cdc66c05031ad22576a88bee6cce55f0191288fa29bc358a5110adb7af25538be3178bc
ripemd-160 d454e62953f86a4c1b192a351f0892688e3817a4

21861189 as geometric shapes

Circle

Radius = n
Diameter 43722378
Circumference 137357901.52228
Area 1.5014035229109E+15

Sphere

Radius = n
Volume 4.3763288239496E+22
Surface area 6.0056140916437E+15
Circumference 137357901.52228

Square

Length = n
Perimeter 87444756
Area 477911584493721
Diagonal 30916389.973402

Cube

Length = n
Surface area 2867469506962326
Volume 1.0447715473907E+22
Space diagonal 37864690.061866

Equilateral Triangle

Length = n
Perimeter 65583567
Area 2.0694178646722E+14
Altitude 18932345.030933

Triangular Pyramid

Length = n
Surface area 2.0694178646722E+14
Volume 1.2312750765845E+21
Height 10305463.324467