21492869 (number)

21492869 is an odd 8-digits composite number following 21492868 and preceding 21492870. In scientific notation, it is written as 2.1492869 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21463500 positive integers (up to 21492869) that are relatively prime to 21492869.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand eight hundred sixty-nine

Notation

Scientific notation 2.1492869 × 10^7
Engineering notation 2.1492869 × 10^6

Prime Factorization of 21492869

Prime Factorization 751 × 28619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492869
Product of the distinct prime numbers

The prime factorization of 21492869 is 751 × 28619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492869)

Multiplication

n×y
n×2 42985738
n×3 64478607
n×4 85971476
n×5 107464345

Division

n÷y
n÷2 10746434.5
n÷3 7164289.6666667
n÷3 5373217.25
n÷5 4298573.8

Exponentiation

ny
n2 461943417851161
n3 9.9284893652873E+21
n4 2.1339172129601E+29
n5 4.5864003114997E+36

Nth Root

y√n
2√n 4636.0402284708
3√n 278.0341425899
4√n 68.088473536061
5√n 29.272436888321

Divisors of 21492869

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 -21492868
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 21492869 can be divided by 4 positive divisors. The sum of these divisors (counting 21492869) is 1, the average is 0.25.

Base conversion 21492869

Base System Value
2 Binary 1010001111111010010000101
3 Ternary 1111102221200012
4 Quaternary 1101333102011
5 Quinary 21000232434
6 Senary 2044400005
8 Octal 121772205
10 Decimal 21492869
12 Duodecimal 7246005
16 Hexadecimal 147f485
20 Vigesimal 6e6c39
36 Base36 cso05

Cryptographic Hash Functions

md5 ee4543facfd4e998d31f076163483539
sha1 c78658a3330a39d6497267282d572ece28a5a961
sha256 03072e35eaef65264ed62405c6a1ad0f92f3b03724e6d3002528f7ed28bb6942
sha512 85e39e14e8e86a2f7282bc3fca254d26b00f4af87512ca118df018754ce9e4d0a2bab1e33e9cc8e0d88589c9566aeefd729385506fbd701e5cda240aedfa9919
ripemd-160 5e818e6f6021de15e1b00e1e6482ee2902be77e7

21492869 as geometric shapes

Circle

Radius = n
Diameter 42985738
Circumference 135043678.70994
Area 1.4512380478954E+15

Sphere

Radius = n
Volume 4.1588359001641E+22
Surface area 5.8049521915815E+15
Circumference 135043678.70994

Square

Length = n
Perimeter 85971476
Area 461943417851161
Diagonal 30395506.834108

Cube

Length = n
Surface area 2771660507106966
Volume 9.9284893652873E+21
Space diagonal 37226741.108422

Equilateral Triangle

Length = n
Perimeter 64478607
Area 2.0002736748506E+14
Altitude 18613370.554211

Triangular Pyramid

Length = n
Surface area 2.0002736748506E+14
Volume 1.1700836928555E+21
Height 10131835.611369