21032561 (number)

21032561 is an odd 8-digits composite number following 21032560 and preceding 21032562. In scientific notation, it is written as 2.1032561 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 19019520 positive integers (up to 21032561) that are relatively prime to 21032561.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-two thousand five hundred sixty-one

Notation

Scientific notation 2.1032561 × 10^7
Engineering notation 2.1032561 × 10^6

Prime Factorization of 21032561

Prime Factorization 11 × 193 × 9907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21032561
Product of the distinct prime numbers

The prime factorization of 21032561 is 11 × 193 × 9907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21032561)

Multiplication

n×y
n×2 42065122
n×3 63097683
n×4 84130244
n×5 105162805

Division

n÷y
n÷2 10516280.5
n÷3 7010853.6666667
n÷3 5258140.25
n÷5 4206512.2

Exponentiation

ny
n2 442368622218721
n3 9.3041450313012E+21
n4 1.9568999792369E+29
n5 4.1158618184199E+36

Nth Root

y√n
2√n 4586.1270152494
3√n 276.03493659127
4√n 67.720949603866
5√n 29.145964489228

Divisors of 21032561

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 -21032560
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 21032561 can be divided by 8 positive divisors. The sum of these divisors (counting 21032561) is 1, the average is 0.125.

Base conversion 21032561

Base System Value
2 Binary 1010000001110111001110001
3 Ternary 1110120120020202
4 Quaternary 1100032321301
5 Quinary 20341020221
6 Senary 2030444545
8 Octal 120167161
10 Decimal 21032561
12 Duodecimal 7063755
16 Hexadecimal 140ee71
20 Vigesimal 6b9181
36 Base36 cistt

Cryptographic Hash Functions

md5 7cdfc7b4cc426578610cfe75f947963c
sha1 95a80ed7b26e886e4dd5816c3e41b1544eedacab
sha256 e87f4aa93532c89fbd96d45d3dcb14049fb56c8f8bf24dd3241089ddd36b1c92
sha512 0d0553ac1578d076ea6064969744368ddf8117a7183afc831c2be311b7e05d93f68f6c2496af67d7237c7be046b7480124f4acd5316f7a27f03ffbf4b4c28e5a
ripemd-160 37bbb64b68aa9c32b245293c42e6bdf75c088641

21032561 as geometric shapes

Circle

Radius = n
Diameter 42065122
Circumference 132151478.24756
Area 1.389742013741E+15

Sphere

Radius = n
Volume 3.8973111571026E+22
Surface area 5.5589680549639E+15
Circumference 132151478.24756

Square

Length = n
Perimeter 84130244
Area 442368622218721
Diagonal 29744533.017639

Cube

Length = n
Surface area 2654211733312326
Volume 9.3041450313012E+21
Space diagonal 36429464.265292

Equilateral Triangle

Length = n
Perimeter 63097683
Area 1.9155123233927E+14
Altitude 18214732.132646

Triangular Pyramid

Length = n
Surface area 1.9155123233927E+14
Volume 1.0965040074627E+21
Height 9914844.3392131