21102561 (number)

21102561 is an odd 8-digits composite number following 21102560 and preceding 21102562. In scientific notation, it is written as 2.1102561 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 14049504 positive integers (up to 21102561) that are relatively prime to 21102561.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1102561 × 10^7
Engineering notation 2.1102561 × 10^6

Prime Factorization of 21102561

Prime Factorization 9 × 1213 × 1933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21102561
Product of the distinct prime numbers

The prime factorization of 21102561 is 9 × 1213 × 1933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21102561)

Multiplication

n×y
n×2 42205122
n×3 63307683
n×4 84410244
n×5 105512805

Division

n÷y
n÷2 10551280.5
n÷3 7034187
n÷3 5275640.25
n÷5 4220512.2

Exponentiation

ny
n2 445318080758721
n3 9.3973519636138E+21
n4 1.9830819305063E+29
n5 4.1848107406507E+36

Nth Root

y√n
2√n 4593.7523877545
3√n 276.34082815565
4√n 67.777226173358
5√n 29.165339275272

Divisors of 21102561

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 -21102560
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 21102561 can be divided by 8 positive divisors. The sum of these divisors (counting 21102561) is 1, the average is 0.125.

Base conversion 21102561

Base System Value
2 Binary 1010000011111111111100001
3 Ternary 1110201010021100
4 Quaternary 1100133333201
5 Quinary 20400240221
6 Senary 2032145013
8 Octal 120377741
10 Decimal 21102561
12 Duodecimal 7098169
16 Hexadecimal 141ffe1
20 Vigesimal 6bhg81
36 Base36 ckau9

Cryptographic Hash Functions

md5 bf0fbea666f97acbeba40b963a3f2be1
sha1 2db77ecd41ecd262fa069e02c49eda3fd9bc6b16
sha256 3c8010d56f66576672778266b26b8eed71571ec0053d83f81c4b1ed96876e545
sha512 103ac0318d92a361ae668a75e1f96fe3c0a9fb56e89e315ad65f366a939104af00e8d39b88b600616f1cc660b596d4c13734b6c13e49bdc854fa9caf857f76c8
ripemd-160 349e4cf7e134ca21c89a3f30e430992f688886e4

21102561 as geometric shapes

Circle

Radius = n
Diameter 42205122
Circumference 132591301.21906
Area 1.3990080110223E+15

Sphere

Radius = n
Volume 3.9363535856116E+22
Surface area 5.5960320440892E+15
Circumference 132591301.21906

Square

Length = n
Perimeter 84410244
Area 445318080758721
Diagonal 29843527.967006

Cube

Length = n
Surface area 2671908484552326
Volume 9.3973519636138E+21
Space diagonal 36550707.821821

Equilateral Triangle

Length = n
Perimeter 63307683
Area 1.9282838535079E+14
Altitude 18275353.910911

Triangular Pyramid

Length = n
Surface area 1.9282838535079E+14
Volume 1.107488549778E+21
Height 9947842.6556685