21084890 (number)

21084890 is an even 8-digits composite number following 21084889 and preceding 21084891. In scientific notation, it is written as 2.1084890 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8346624 positive integers (up to 21084890) that are relatively prime to 21084890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1084890 × 10^7
Engineering notation 2.1084890 × 10^6

Prime Factorization of 21084890

Prime Factorization 2 × 5 × 97 × 21737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21084890
Product of the distinct prime numbers

The prime factorization of 21084890 is 2 × 5 × 97 × 21737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 75, 60, 168, 205, 4507, 4404, 20988, 99247, 20408, 700209, 9721858, 4232487, 60660120, 3886865, 196419757, 318035414, 7524680784, 1585401588

Basic calculations (n = 21084890)

Multiplication

n×y
n×2 42169780
n×3 63254670
n×4 84339560
n×5 105424450

Division

n÷y
n÷2 10542445
n÷3 7028296.6666667
n÷3 5271222.5
n÷5 4216978

Exponentiation

ny
n2 444572586312100
n3 9.3737640794061E+21
n4 1.9764478450023E+29
n5 4.167318540261E+36

Nth Root

y√n
2√n 4591.8286117842
3√n 276.26367192083
4√n 67.763032781777
5√n 29.160453105994

Divisors of 21084890

1, 2, 5, 10, 97, 194, 485, 970, 21737, 43474, 108685, 217370, 2108489, 4216978, 10542445, 21084890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084890 can be divided by 16 positive divisors. The sum of these divisors (counting 21084890) is 1, the average is 0.0625.

Base conversion 21084890

Base System Value
2 Binary 1010000011011101011011010
3 Ternary 1110200020000212
4 Quaternary 1100123223122
5 Quinary 20344204030
6 Senary 2031531122
8 Octal 120335332
10 Decimal 21084890
12 Duodecimal 7089aa2
16 Hexadecimal 141bada
20 Vigesimal 6bfc4a
36 Base36 cjx7e

Cryptographic Hash Functions

md5 774360dbc99926c2612b2d6452fd1e59
sha1 a94523fd23d05a915b2d60ded89d48720a47b052
sha256 39a17ef57420a972e0dc57fadb2858a456491d1af62961e88f3230846f92c322
sha512 e9dc76339cddcf036747a48867e9f814ac8795483d70c4fbdae6e9e565f566ad1ffd497326c1d685fa721707ad0f1646ff1ca92a4159d6a668a6be1001737231
ripemd-160 08bffba170f459e2c9a08d0bce431c606b874e4b

21084890 as geometric shapes

Circle

Radius = n
Diameter 42169780
Circumference 132480271.0515
Area 1.3966659711455E+15

Sphere

Radius = n
Volume 3.9264731157795E+22
Surface area 5.586663884582E+15
Circumference 132480271.0515

Square

Length = n
Perimeter 84339560
Area 444572586312100
Diagonal 29818537.399145

Cube

Length = n
Surface area 2667435517872600
Volume 9.3737640794061E+21
Space diagonal 36520100.752001

Equilateral Triangle

Length = n
Perimeter 63254670
Area 1.9250557678621E+14
Altitude 18260050.376

Triangular Pyramid

Length = n
Surface area 1.9250557678621E+14
Volume 1.1047086909652E+21
Height 9939512.4663816