21082890 (number)

21082890 is an even 8-digits composite number following 21082889 and preceding 21082891. In scientific notation, it is written as 2.1082890 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 64 positive divisors. There are 5203968 positive integers (up to 21082890) that are relatively prime to 21082890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082890 × 10^7
Engineering notation 2.1082890 × 10^6

Prime Factorization of 21082890

Prime Factorization 2 × 3 × 17 × 5 × 67 × 617

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21082890
Product of the distinct prime numbers

The prime factorization of 21082890 is 2 × 3 × 17 × 5 × 67 × 617. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082890)

Multiplication

n×y
n×2 42165780
n×3 63248670
n×4 84331560
n×5 105414450

Division

n÷y
n÷2 10541445
n÷3 7027630
n÷3 5270722.5
n÷5 4216578

Exponentiation

ny
n2 444488250752100
n3 9.3710968968989E+21
n4 1.9756980505666E+29
n5 4.165342467331E+36

Nth Root

y√n
2√n 4591.6108284566
3√n 276.25493667939
4√n 67.761425814815
5√n 29.15989988405

Divisors of 21082890

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 -21082889
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 21082890 can be divided by 64 positive divisors. The sum of these divisors (counting 21082890) is 1, the average is 0.015625.

Base conversion 21082890

Base System Value
2 Binary 1010000011011001100001010
3 Ternary 1110200010021210
4 Quaternary 1100123030022
5 Quinary 20344123030
6 Senary 2031513550
8 Octal 120331412
10 Decimal 21082890
12 Duodecimal 70888b6
16 Hexadecimal 141b30a
20 Vigesimal 6bf74a
36 Base36 cjvnu

Cryptographic Hash Functions

md5 6b37c5ce66ea3d1726c380ee061d7557
sha1 492bac888ad892f85d8ecfd3ffd4f011d4421e14
sha256 131bd9055271fe04f0726f11aa1f8c613ab7debdd9d0ff367fdb4017b361ca6a
sha512 cea3a128693f3486f8fe6ecfe7c01ce3387092ff363cc2d16da6241e6e8e8534870c06550d08fe7f26ea92619e673559d154f9b25e4c2a8d6798e181041808f3
ripemd-160 6c4a47128ef7d04bff5536ada9856636cbf31b5d

21082890 as geometric shapes

Circle

Radius = n
Diameter 42165780
Circumference 132467704.68088
Area 1.3964010231698E+15

Sphere

Radius = n
Volume 3.9253558889834E+22
Surface area 5.5856040926791E+15
Circumference 132467704.68088

Square

Length = n
Perimeter 84331560
Area 444488250752100
Diagonal 29815708.97202

Cube

Length = n
Surface area 2666929504512600
Volume 9.3710968968989E+21
Space diagonal 36516636.650386

Equilateral Triangle

Length = n
Perimeter 63248670
Area 1.9246905841751E+14
Altitude 18258318.325193

Triangular Pyramid

Length = n
Surface area 1.9246905841751E+14
Volume 1.1043943604922E+21
Height 9938569.65734