21461605 (number)

21461605 is an odd 8-digits composite number following 21461604 and preceding 21461606. In scientific notation, it is written as 2.1461605 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 15608400 positive integers (up to 21461605) that are relatively prime to 21461605.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand six hundred five

Notation

Scientific notation 2.1461605 × 10^7
Engineering notation 2.1461605 × 10^6

Prime Factorization of 21461605

Prime Factorization 5 × 11 × 390211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21461605
Product of the distinct prime numbers

The prime factorization of 21461605 is 5 × 11 × 390211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21461605)

Multiplication

n×y
n×2 42923210
n×3 64384815
n×4 85846420
n×5 107308025

Division

n÷y
n÷2 10730802.5
n÷3 7153868.3333333
n÷3 5365401.25
n÷5 4292321

Exponentiation

ny
n2 460600489176025
n3 9.8852257615026E+21
n4 2.1215281062919E+29
n5 4.5531398213636E+36

Nth Root

y√n
2√n 4632.6671583441
3√n 277.89926564395
4√n 68.063699270199
5√n 29.263915862815

Divisors of 21461605

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 -21461604
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 21461605 can be divided by 8 positive divisors. The sum of these divisors (counting 21461605) is 1, the average is 0.125.

Base conversion 21461605

Base System Value
2 Binary 1010001110111101001100101
3 Ternary 1111101100210021
4 Quaternary 1101313221211
5 Quinary 20443232410
6 Senary 2043555141
8 Octal 121675145
10 Decimal 21461605
12 Duodecimal 722bab1
16 Hexadecimal 1477a65
20 Vigesimal 6e2e05
36 Base36 crzvp

Cryptographic Hash Functions

md5 656c3faf813fb5b0af9227e385140e7e
sha1 f71b1ba3768eac60ba247b130c486b5a7cc3aa85
sha256 bd63477e33acc96380007790f561bb12708c9f83ab60bc530cf39313267f684e
sha512 6caea98552eef4428d23fbb85f8433b4336450f479901ec88007293306f7fe99fa0a9424d820ff2b34bc07c323586d8b3d79d297cba4f3d447fdb19c3f12f8dd
ripemd-160 9b4d01c7ed6e80682dff8dac8b81aa34203cbb63

21461605 as geometric shapes

Circle

Radius = n
Diameter 42923210
Circumference 134847241.20449
Area 1.4470191130353E+15

Sphere

Radius = n
Volume 4.1407136841884E+22
Surface area 5.7880764521411E+15
Circumference 134847241.20449

Square

Length = n
Perimeter 85846420
Area 460600489176025
Diagonal 30351292.861294

Cube

Length = n
Surface area 2763602935056150
Volume 9.8852257615026E+21
Space diagonal 37172590.271974

Equilateral Triangle

Length = n
Perimeter 64384815
Area 1.9944586231099E+14
Altitude 18586295.135987

Triangular Pyramid

Length = n
Surface area 1.9944586231099E+14
Volume 1.1649850282531E+21
Height 10117097.620431