21895890 (number)

21895890 is an even 8-digits composite number following 21895889 and preceding 21895891. In scientific notation, it is written as 2.1895890 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 64 positive divisors. There are 5587712 positive integers (up to 21895890) that are relatively prime to 21895890.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-five thousand eight hundred ninety

Notation

Scientific notation 2.1895890 × 10^7
Engineering notation 2.1895890 × 10^6

Prime Factorization of 21895890

Prime Factorization 2 × 3 × 5 × 53 × 47 × 293

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21895890
Product of the distinct prime numbers

The prime factorization of 21895890 is 2 × 3 × 5 × 53 × 47 × 293. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21895890)

Multiplication

n×y
n×2 43791780
n×3 65687670
n×4 87583560
n×5 109479450

Division

n÷y
n÷2 10947945
n÷3 7298630
n÷3 5473972.5
n÷5 4379178

Exponentiation

ny
n2 479429998892100
n3 1.0497546518442E+22
n4 2.2985312383768E+29
n5 5.0328387157062E+36

Nth Root

y√n
2√n 4679.3044354904
3√n 279.7612335276
4√n 68.405441563449
5√n 29.381402353869

Divisors of 21895890

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21895889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21895890 can be divided by 64 positive divisors. The sum of these divisors (counting 21895890) is 1, the average is 0.015625.

Base conversion 21895890

Base System Value
2 Binary 1010011100001101011010010
3 Ternary 1112012102111220
4 Quaternary 1103201223102
5 Quinary 21101132030
6 Senary 2101145510
8 Octal 123415322
10 Decimal 21895890
12 Duodecimal 73bb296
16 Hexadecimal 14e1ad2
20 Vigesimal 6ggjea
36 Base36 d1az6

Cryptographic Hash Functions

md5 f9a52774f4f15e01bbdc331a0b394f30
sha1 d0b0f9c4cc2d56b82a1182ef2adcdceaabf26a74
sha256 6fb88a38334caeec2021c4518d7531c927126199fcffeb24ae2a760b85c5c301
sha512 115687b1c85e9f1ac8f6e4d43e91bbcad2a83f9a62eea19582af788c3428c9d14a8bd0692041e2ea8b144d6468fafffe3160575c2847a4c6dcd26d50825c4b7a
ripemd-160 0d1c361d785a8cbf4191213a44c9e344e451d47e

21895890 as geometric shapes

Circle

Radius = n
Diameter 43791780
Circumference 137575934.33562
Area 1.50617376243E+15

Sphere

Radius = n
Volume 4.3972020030737E+22
Surface area 6.0246950497199E+15
Circumference 137575934.33562

Square

Length = n
Perimeter 87583560
Area 479429998892100
Diagonal 30965464.598229

Cube

Length = n
Surface area 2876579993352600
Volume 1.0497546518442E+22
Space diagonal 37924793.956939

Equilateral Triangle

Length = n
Perimeter 65687670
Area 2.0759927918845E+14
Altitude 18962396.97847

Triangular Pyramid

Length = n
Surface area 2.0759927918845E+14
Volume 1.2371477215019E+21
Height 10321821.532743