21081023 (number)

21081023 is an odd 8-digits composite number following 21081022 and preceding 21081024. In scientific notation, it is written as 2.1081023 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 20196000 positive integers (up to 21081023) that are relatively prime to 21081023.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand twenty-three

Notation

Scientific notation 2.1081023 × 10^7
Engineering notation 2.1081023 × 10^6

Prime Factorization of 21081023

Prime Factorization 101 × 31 × 6733

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21081023
Product of the distinct prime numbers

The prime factorization of 21081023 is 101 × 31 × 6733. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081023)

Multiplication

n×y
n×2 42162046
n×3 63243069
n×4 84324092
n×5 105405115

Division

n÷y
n÷2 10540511.5
n÷3 7027007.6666667
n÷3 5270255.75
n÷5 4216204.6

Exponentiation

ny
n2 444409530726529
n3 9.3686075386652E+21
n4 1.9749983100057E+29
n5 4.1634984798192E+36

Nth Root

y√n
2√n 4591.4075183978
3√n 276.24678183293
4√n 67.759925607971
5√n 29.159383413475

Divisors of 21081023

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081022
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081023 can be divided by 8 positive divisors. The sum of these divisors (counting 21081023) is 1, the average is 0.125.

Base conversion 21081023

Base System Value
2 Binary 1010000011010101110111111
3 Ternary 1110200000201122
4 Quaternary 1100122232333
5 Quinary 20344043043
6 Senary 2031501155
8 Octal 120325677
10 Decimal 21081023
12 Duodecimal 70877bb
16 Hexadecimal 141abbf
20 Vigesimal 6bf2b3
36 Base36 cju7z

Cryptographic Hash Functions

md5 1aa090c650664caa9325582eb867459a
sha1 b501310527a8f60866d7af1d03c0be1f5fe70c85
sha256 51b7aa7eb5216269b2b46cb299ceecda14b7f907995352975693f0ea1ac5c907
sha512 69ed6c20cd732fef4974083ab84a487b2b757c2bdf65c47b8075fd8c027f39effb911984efea5f6cbd89e9effd896cfbf4766b26604d4b7f45ef9ca3ad6fc494
ripemd-160 c5c537042e570852ed7fa035de2864039be87cc4

21081023 as geometric shapes

Circle

Radius = n
Diameter 42162046
Circumference 132455973.97391
Area 1.3961537169158E+15

Sphere

Radius = n
Volume 3.9243131490449E+22
Surface area 5.584614867663E+15
Circumference 132455973.97391

Square

Length = n
Perimeter 84324092
Area 444409530726529
Diagonal 29813068.635299

Cube

Length = n
Surface area 2666457184359174
Volume 9.3686075386652E+21
Space diagonal 36513402.911528

Equilateral Triangle

Length = n
Perimeter 63243069
Area 1.9243497164655E+14
Altitude 18256701.455764

Triangular Pyramid

Length = n
Surface area 1.9243497164655E+14
Volume 1.1041009868109E+21
Height 9937689.5450997