21281323 (number)

21281323 is an odd 8-digits composite number following 21281322 and preceding 21281324. In scientific notation, it is written as 2.1281323 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18241128 positive integers (up to 21281323) that are relatively prime to 21281323.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1281323 × 10^7
Engineering notation 2.1281323 × 10^6

Prime Factorization of 21281323

Prime Factorization 7 × 3040189

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21281323
Product of the distinct prime numbers

The prime factorization of 21281323 is 7 × 3040189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21281323)

Multiplication

n×y
n×2 42562646
n×3 63843969
n×4 85125292
n×5 106406615

Division

n÷y
n÷2 10640661.5
n÷3 7093774.3333333
n÷3 5320330.75
n÷5 4256264.6

Exponentiation

ny
n2 452894708630329
n3 9.6381985793529E+21
n4 2.0511361710535E+29
n5 4.3650891373173E+36

Nth Root

y√n
2√n 4613.1684339508
3√n 277.11893913453
4√n 67.920309436506
5√n 29.21458521729

Divisors of 21281323

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 -21281322
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 21281323 can be divided by 4 positive divisors. The sum of these divisors (counting 21281323) is 1, the average is 0.25.

Base conversion 21281323

Base System Value
2 Binary 1010001001011101000101011
3 Ternary 1111001012111011
4 Quaternary 1101023220223
5 Quinary 20422000243
6 Senary 2040044351
8 Octal 121135053
10 Decimal 21281323
12 Duodecimal 71636b7
16 Hexadecimal 144ba2b
20 Vigesimal 6d0363
36 Base36 co4rv

Cryptographic Hash Functions

md5 77963a45a3da56f7c20de5a874122eda
sha1 abd13d74a1fb67b94c8652b390d9d34da04dab0d
sha256 2c6d42dd1b73e1cdeeb9605737baada97c9cad623d043b0afc4d90a29ee8ed8d
sha512 35aa037fbb0cf194c05ef67df8c0d1744f6c74b39955d9ecb8d00af8ed5c40414a02f6ae261e2e8b296e774771d95fd3a3e61179e03e815822a2f82d4b4d61ed
ripemd-160 3dbfea7a31edc67c36f3775e046d2f8d5d8ceff3

21281323 as geometric shapes

Circle

Radius = n
Diameter 42562646
Circumference 133714495.99094
Area 1.4228106894827E+15

Sphere

Radius = n
Volume 4.037239180098E+22
Surface area 5.6912427579309E+15
Circumference 133714495.99094

Square

Length = n
Perimeter 85125292
Area 452894708630329
Diagonal 30096335.611842

Cube

Length = n
Surface area 2717368251781974
Volume 9.6381985793529E+21
Space diagonal 36860332.688284

Equilateral Triangle

Length = n
Perimeter 63843969
Area 1.9610916145671E+14
Altitude 18430166.344142

Triangular Pyramid

Length = n
Surface area 1.9610916145671E+14
Volume 1.1358725956472E+21
Height 10032111.870614