21081024 (number)

21081024 is an even 8-digits composite number following 21081023 and preceding 21081025. In scientific notation, it is written as 2.1081024 × 10^7. The sum of its digits is 18. It has a total of 8 prime factors and 28 positive divisors. There are 7026816 positive integers (up to 21081024) that are relatively prime to 21081024.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand twenty-four

Notation

Scientific notation 2.1081024 × 10^7
Engineering notation 2.1081024 × 10^6

Prime Factorization of 21081024

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 36599

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 658782
Product of the distinct prime numbers

The prime factorization of 21081024 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 36599. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081024)

Multiplication

n×y
n×2 42162048
n×3 63243072
n×4 84324096
n×5 105405120

Division

n÷y
n÷2 10540512
n÷3 7027008
n÷3 5270256
n÷5 4216204.8

Exponentiation

ny
n2 444409572888576
n3 9.3686088718938E+21
n4 1.9749986847501E+29
n5 4.1634994673185E+36

Nth Root

y√n
2√n 4591.4076272969
3√n 276.24678620095
4√n 67.759926411537
5√n 29.159383690116

Divisors of 21081024

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081023
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081024 can be divided by 28 positive divisors. The sum of these divisors (counting 21081024) is 1, the average is 0.035714285714286.

Base conversion 21081024

Base System Value
2 Binary 1010000011010101111000000
3 Ternary 1110200000201200
4 Quaternary 1100122233000
5 Quinary 20344043044
6 Senary 2031501200
8 Octal 120325700
10 Decimal 21081024
12 Duodecimal 7087800
16 Hexadecimal 141abc0
20 Vigesimal 6bf2b4
36 Base36 cju80

Cryptographic Hash Functions

md5 9f5c83557cc3eb8e02fa35aab1afb2a7
sha1 917bed0968dd18747f840e3c3ceba5dde473cbba
sha256 a226fd6a8c449923d506715a0c1bbb90e54fb9a186c9f3ba0bcfd63165c987d7
sha512 c239ec4ffe820abfba7c9ecd3aaf3ff9a2fa53f2c70cbe4fb7ac28c1a15835f162daf090ac998404b316cda45f338954ec24787cd9cd1cf2e5a846e8e97da6a1
ripemd-160 75022822b54babe720de5da1f74daa93fa33035e

21081024 as geometric shapes

Circle

Radius = n
Diameter 42162048
Circumference 132455980.2571
Area 1.3961538493717E+15

Sphere

Radius = n
Volume 3.9243137075064E+22
Surface area 5.5846153974869E+15
Circumference 132455980.2571

Square

Length = n
Perimeter 84324096
Area 444409572888576
Diagonal 29813070.049513

Cube

Length = n
Surface area 2666457437331456
Volume 9.3686088718938E+21
Space diagonal 36513404.643579

Equilateral Triangle

Length = n
Perimeter 63243072
Area 1.9243498990325E+14
Altitude 18256702.321789

Triangular Pyramid

Length = n
Surface area 1.9243498990325E+14
Volume 1.1041011439334E+21
Height 9937690.0165042