21008873 (number)

21008873 is an odd 8-digits composite number following 21008872 and preceding 21008874. In scientific notation, it is written as 2.1008873 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20941440 positive integers (up to 21008873) that are relatively prime to 21008873.

Interesting facts

Basic properties

Name

Name twenty-one million eight thousand eight hundred seventy-three

Notation

Scientific notation 2.1008873 × 10^7
Engineering notation 2.1008873 × 10^6

Prime Factorization of 21008873

Prime Factorization 313 × 67121

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21008873
Product of the distinct prime numbers

The prime factorization of 21008873 is 313 × 67121. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21008873)

Multiplication

n×y
n×2 42017746
n×3 63026619
n×4 84035492
n×5 105044365

Division

n÷y
n÷2 10504436.5
n÷3 7002957.6666667
n÷3 5252218.25
n÷5 4201774.6

Exponentiation

ny
n2 441372744730129
n3 9.2727439396967E+21
n4 1.9480989979061E+29
n5 4.0927364438436E+36

Nth Root

y√n
2√n 4583.5437163836
3√n 275.93126920516
4√n 67.701873802603
5√n 29.13939637945

Divisors of 21008873

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21008872
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21008873 can be divided by 4 positive divisors. The sum of these divisors (counting 21008873) is 1, the average is 0.25.

Base conversion 21008873

Base System Value
2 Binary 1010000001001000111101001
3 Ternary 1110112100202102
4 Quaternary 1100021013221
5 Quinary 20334240443
6 Senary 2030143145
8 Octal 120110751
10 Decimal 21008873
12 Duodecimal 7051ab5
16 Hexadecimal 14091e9
20 Vigesimal 6b623d
36 Base36 ciajt

Cryptographic Hash Functions

md5 519f14e5599640bf2c7de0abdf081442
sha1 e8124520d5cca84e70030cf64f1d4afcbaef6933
sha256 a5e191c1504391bb688219b69392a97814b640d68db40a08c59680a230a0dbdd
sha512 162858bb01a82dd3efcd2b3812a5287abfbf7a41856e0e6ed9f07b3ea0303f8dca63b62b75d04186ca676d49aca6aacfca1c45ac1f68ceaab9899820cfa9dfc9
ripemd-160 00629af77260273f9930509a668ef8fedb3394da

21008873 as geometric shapes

Circle

Radius = n
Diameter 42017746
Circumference 132002642.154
Area 1.3866133723389E+15

Sphere

Radius = n
Volume 3.8841578986094E+22
Surface area 5.5464534893557E+15
Circumference 132002642.154

Square

Length = n
Perimeter 84035492
Area 441372744730129
Diagonal 29711033.126774

Cube

Length = n
Surface area 2648236468380774
Volume 9.2727439396967E+21
Space diagonal 36388435.445762

Equilateral Triangle

Length = n
Perimeter 63026619
Area 1.9112000473718E+14
Altitude 18194217.722881

Triangular Pyramid

Length = n
Surface area 1.9112000473718E+14
Volume 1.0928033533277E+21
Height 9903677.7089246