21067905 (number)

21067905 is an odd 8-digits composite number following 21067904 and preceding 21067906. In scientific notation, it is written as 2.1067905 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11236208 positive integers (up to 21067905) that are relatively prime to 21067905.

Interesting facts

Basic properties

Name

Name twenty-one million sixty-seven thousand nine hundred five

Notation

Scientific notation 2.1067905 × 10^7
Engineering notation 2.1067905 × 10^6

Prime Factorization of 21067905

Prime Factorization 3 × 5 × 1404527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21067905
Product of the distinct prime numbers

The prime factorization of 21067905 is 3 × 5 × 1404527. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21067905)

Multiplication

n×y
n×2 42135810
n×3 63203715
n×4 84271620
n×5 105339525

Division

n÷y
n÷2 10533952.5
n÷3 7022635
n÷3 5266976.25
n÷5 4213581

Exponentiation

ny
n2 443856621089025
n3 9.3511291267246E+21
n4 1.9700870008457E+29
n5 4.1505605775551E+36

Nth Root

y√n
2√n 4589.9787581208
3√n 276.18947030049
4√n 67.749381975932
5√n 29.155753532354

Divisors of 21067905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21067904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21067905 can be divided by 8 positive divisors. The sum of these divisors (counting 21067905) is 1, the average is 0.125.

Base conversion 21067905

Base System Value
2 Binary 1010000010111100010000001
3 Ternary 1110122100201210
4 Quaternary 1100113202001
5 Quinary 20343133110
6 Senary 2031320333
8 Octal 120274201
10 Decimal 21067905
12 Duodecimal 70800a9
16 Hexadecimal 1417881
20 Vigesimal 6bd9f5
36 Base36 cjk3l

Cryptographic Hash Functions

md5 dd16226253c61f021f2a01a33f6ca858
sha1 8cc630c44fc32572e57986b065ae2440869c1fdb
sha256 6da07d62b4021280d2d2a41951c3fb92d4210d533dca2c6534f23123dc822134
sha512 1717a091cb9fa13b7ab21864ff9049191ab16209a993bb0f97fc8de815697926e2399dec9a6d9b611fd0d3d17002f365166cbc2e2d1e5273ee317249bf73c576
ripemd-160 5166fce0bac58316c8f83a2aceca6099b5b750e2

21067905 as geometric shapes

Circle

Radius = n
Diameter 42135810
Circumference 132373551.14906
Area 1.3944167000605E+15

Sphere

Radius = n
Volume 3.9169918089717E+22
Surface area 5.5776668002419E+15
Circumference 132373551.14906

Square

Length = n
Perimeter 84271620
Area 443856621089025
Diagonal 29794516.981788

Cube

Length = n
Surface area 2663139726534150
Volume 9.3511291267246E+21
Space diagonal 36490681.869034

Equilateral Triangle

Length = n
Perimeter 63203715
Area 1.9219555475051E+14
Altitude 18245340.934517

Triangular Pyramid

Length = n
Surface area 1.9219555475051E+14
Volume 1.1020411362097E+21
Height 9931505.660596