21124991 (number)

21124991 is an odd 8-digits composite number following 21124990 and preceding 21124992. In scientific notation, it is written as 2.1124991 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20919792 positive integers (up to 21124991) that are relatively prime to 21124991.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-four thousand nine hundred ninety-one

Notation

Scientific notation 2.1124991 × 10^7
Engineering notation 2.1124991 × 10^6

Prime Factorization of 21124991

Prime Factorization 103 × 205097

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21124991
Product of the distinct prime numbers

The prime factorization of 21124991 is 103 × 205097. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21124991)

Multiplication

n×y
n×2 42249982
n×3 63374973
n×4 84499964
n×5 105624955

Division

n÷y
n÷2 10562495.5
n÷3 7041663.6666667
n÷3 5281247.75
n÷5 4224998.2

Exponentiation

ny
n2 446265244750081
n3 9.4273492789583E+21
n4 1.9915266867185E+29
n5 4.2070983333188E+36

Nth Root

y√n
2√n 4596.1930986415
3√n 276.43870142637
4√n 67.795229173162
5√n 29.171536633077

Divisors of 21124991

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 -21124990
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 21124991 can be divided by 4 positive divisors. The sum of these divisors (counting 21124991) is 1, the average is 0.25.

Base conversion 21124991

Base System Value
2 Binary 1010000100101011101111111
3 Ternary 1110202021001002
4 Quaternary 1100211131333
5 Quinary 20401444431
6 Senary 2032440515
8 Octal 120453577
10 Decimal 21124991
12 Duodecimal 70a913b
16 Hexadecimal 142577f
20 Vigesimal 6c0c9b
36 Base36 cks5b

Cryptographic Hash Functions

md5 c4b3677b399a3b3b2ffb717bc877c59b
sha1 118c01899b843615b0075afd27442be28f8ddc32
sha256 336729ce2df460e44ca9f172e999e12a8814c428b270e432b227c96428f9d8d7
sha512 5a07ffd17fd209520d9d9c178ceb05f6b57473cd90c114bf7319365a752a2393b114d7545c51fcccf1d78dbefe16b4265a7b71cbabe59c7811ce075583acf4c0
ripemd-160 afe2413ef73d0f42ca7adb9798c48e73ade89f35

21124991 as geometric shapes

Circle

Radius = n
Diameter 42249982
Circumference 132732233.0655
Area 1.4019836144593E+15

Sphere

Radius = n
Volume 3.94891883168E+22
Surface area 5.6079344578372E+15
Circumference 132732233.0655

Square

Length = n
Perimeter 84499964
Area 446265244750081
Diagonal 29875248.77721

Cube

Length = n
Surface area 2677591468500486
Volume 9.4273492789583E+21
Space diagonal 36589557.721435

Equilateral Triangle

Length = n
Perimeter 63374973
Area 1.9323851938983E+14
Altitude 18294778.860718

Triangular Pyramid

Length = n
Surface area 1.9323851938983E+14
Volume 1.1110237672942E+21
Height 9958416.2590699