21082913 (number)

21082913 is an odd 8-digits composite number following 21082912 and preceding 21082914. In scientific notation, it is written as 2.1082913 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 19010880 positive integers (up to 21082913) that are relatively prime to 21082913.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand nine hundred thirteen

Notation

Scientific notation 2.1082913 × 10^7
Engineering notation 2.1082913 × 10^6

Prime Factorization of 21082913

Prime Factorization 83 × 29 × 19 × 461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21082913
Product of the distinct prime numbers

The prime factorization of 21082913 is 83 × 29 × 19 × 461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082913)

Multiplication

n×y
n×2 42165826
n×3 63248739
n×4 84331652
n×5 105414565

Division

n÷y
n÷2 10541456.5
n÷3 7027637.6666667
n÷3 5270728.25
n÷5 4216582.6

Exponentiation

ny
n2 444489220565569
n3 9.3711275666217E+21
n4 1.9757066719899E+29
n5 4.1653651879082E+36

Nth Root

y√n
2√n 4591.6133330236
3√n 276.2550371378
4√n 67.761444295584
5√n 29.159906246341

Divisors of 21082913

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 -21082912
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 21082913 can be divided by 16 positive divisors. The sum of these divisors (counting 21082913) is 1, the average is 0.0625.

Base conversion 21082913

Base System Value
2 Binary 1010000011011001100100001
3 Ternary 1110200010022122
4 Quaternary 1100123030201
5 Quinary 20344123123
6 Senary 2031514025
8 Octal 120331441
10 Decimal 21082913
12 Duodecimal 7088915
16 Hexadecimal 141b321
20 Vigesimal 6bf75d
36 Base36 cjvoh

Cryptographic Hash Functions

md5 2dcb69b801a2e9203e0634a1d8aa8268
sha1 962e4190283cffc85468ce5564d6ec03ad49ef23
sha256 6aecf41c77ccd08199dc4f1322038735aefab7458a930508faecc9b4b79607bd
sha512 cec02f78446d64371a4c61efd6f7fc98982b69a439764cf1b26196c167cfe2ff3ce0d6c60b04d638bc84611e81658ed483f96340f05e53e6701e9936fcd13b31
ripemd-160 74c404a6d8a6e3ed34fdef3f08597dd4445cc8e0

21082913 as geometric shapes

Circle

Radius = n
Diameter 42165826
Circumference 132467849.19415
Area 1.3964040699286E+15

Sphere

Radius = n
Volume 3.9253687358869E+22
Surface area 5.5856162797146E+15
Circumference 132467849.19415

Square

Length = n
Perimeter 84331652
Area 444489220565569
Diagonal 29815741.498932

Cube

Length = n
Surface area 2666935323393414
Volume 9.3711275666217E+21
Space diagonal 36516676.487554

Equilateral Triangle

Length = n
Perimeter 63248739
Area 1.9246947835906E+14
Altitude 18258338.243777

Triangular Pyramid

Length = n
Surface area 1.9246947835906E+14
Volume 1.1043979749537E+21
Height 9938580.499644