21105879 (number)

21105879 is an odd 8-digits composite number following 21105878 and preceding 21105880. In scientific notation, it is written as 2.1105879 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14070584 positive integers (up to 21105879) that are relatively prime to 21105879.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand eight hundred seventy-nine

Notation

Scientific notation 2.1105879 × 10^7
Engineering notation 2.1105879 × 10^6

Prime Factorization of 21105879

Prime Factorization 3 × 7035293

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21105879
Product of the distinct prime numbers

The prime factorization of 21105879 is 3 × 7035293. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105879)

Multiplication

n×y
n×2 42211758
n×3 63317637
n×4 84423516
n×5 105529395

Division

n÷y
n÷2 10552939.5
n÷3 7035293
n÷3 5276469.75
n÷5 4221175.8

Exponentiation

ny
n2 445458128362641
n3 9.4017853567884E+21
n4 1.9843294412435E+29
n5 4.1881017083022E+36

Nth Root

y√n
2√n 4594.1135162292
3√n 276.35531061297
4√n 67.779890205202
5√n 29.166256363109

Divisors of 21105879

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 -21105878
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 21105879 can be divided by 4 positive divisors. The sum of these divisors (counting 21105879) is 1, the average is 0.25.

Base conversion 21105879

Base System Value
2 Binary 1010000100000110011010111
3 Ternary 1110201021211020
4 Quaternary 1100200303113
5 Quinary 20400342004
6 Senary 2032212223
8 Octal 120406327
10 Decimal 21105879
12 Duodecimal 709a073
16 Hexadecimal 1420cd7
20 Vigesimal 6bi4dj
36 Base36 ckdef

Cryptographic Hash Functions

md5 5f1fde8d5a09ad638eb93fe078072f77
sha1 5f890411fa511081d9ba64ea73a0b701724e1c0a
sha256 a5f9de26516f17604d771241be6be8822eeab519d0e0a9bbadb5b22efc0e523d
sha512 5d91bece516f4cc94aa187fa70b2e23b8ce2ef773b4dd1b79d7cfe06c39916b0416f1c32fffbc360a2c7b2ff278a97faf9a69f81620aaa01dd290276cddf2a3d
ripemd-160 313cd6c95a3bde235d91bdd7cb429921cb8571ae

21105879 as geometric shapes

Circle

Radius = n
Diameter 42211758
Circumference 132612148.82791
Area 1.3994479835459E+15

Sphere

Radius = n
Volume 3.9382106410019E+22
Surface area 5.5977919341837E+15
Circumference 132612148.82791

Square

Length = n
Perimeter 84423516
Area 445458128362641
Diagonal 29848220.327606

Cube

Length = n
Surface area 2672748770175846
Volume 9.4017853567884E+21
Space diagonal 36556454.766401

Equilateral Triangle

Length = n
Perimeter 63317637
Area 1.9288902774216E+14
Altitude 18278227.383201

Triangular Pyramid

Length = n
Surface area 1.9288902774216E+14
Volume 1.1080110301742E+21
Height 9949406.7758685