21093921 (number)

21093921 is an odd 8-digits composite number following 21093920 and preceding 21093922. In scientific notation, it is written as 2.1093921 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13353120 positive integers (up to 21093921) that are relatively prime to 21093921.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-three thousand nine hundred twenty-one

Notation

Scientific notation 2.1093921 × 10^7
Engineering notation 2.1093921 × 10^6

Prime Factorization of 21093921

Prime Factorization 9 × 23 × 563 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21093921
Product of the distinct prime numbers

The prime factorization of 21093921 is 9 × 23 × 563 × 181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21093921)

Multiplication

n×y
n×2 42187842
n×3 63281763
n×4 84375684
n×5 105469605

Division

n÷y
n÷2 10546960.5
n÷3 7031307
n÷3 5273480.25
n÷5 4218784.2

Exponentiation

ny
n2 444953503154241
n3 9.3858140442088E+21
n4 1.9798361996923E+29
n5 4.176250838925E+36

Nth Root

y√n
2√n 4592.8118838028
3√n 276.3031090264
4√n 67.770287617825
5√n 29.162950657037

Divisors of 21093921

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21093920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21093921 can be divided by 16 positive divisors. The sum of these divisors (counting 21093921) is 1, the average is 0.0625.

Base conversion 21093921

Base System Value
2 Binary 1010000011101111000100001
3 Ternary 1110200200102100
4 Quaternary 1100131320201
5 Quinary 20400001141
6 Senary 2032041013
8 Octal 120357041
10 Decimal 21093921
12 Duodecimal 7093169
16 Hexadecimal 141de21
20 Vigesimal 6bgeg1
36 Base36 ck469

Cryptographic Hash Functions

md5 17fd35b7c778787339c2dbb2790957a1
sha1 5e6b005a22d67687e1b3010f302b357136e39839
sha256 ff1d7ec0d5159b237c75f9b8034991c83de2c105fdd25d2b82dfb1a4ef5266d4
sha512 925520502ace75a9777fed78c1fa105ed4758981b29ec2d85f4f36beb3759647af60adccb68a98f2aa1a4335ee4f5977ce7bb345cdfad8dfc51216a57f3cfe32
ripemd-160 0109c10e6e1caeb5b9f52ff9730e829e92396434

21093921 as geometric shapes

Circle

Radius = n
Diameter 42187842
Circumference 132537014.49801
Area 1.3978626566984E+15

Sphere

Radius = n
Volume 3.9315205932328E+22
Surface area 5.5914506267936E+15
Circumference 132537014.49801

Square

Length = n
Perimeter 84375684
Area 444953503154241
Diagonal 29831309.161827

Cube

Length = n
Surface area 2669721018925446
Volume 9.3858140442088E+21
Space diagonal 36535742.902844

Equilateral Triangle

Length = n
Perimeter 63281763
Area 1.9267051861723E+14
Altitude 18267871.451422

Triangular Pyramid

Length = n
Surface area 1.9267051861723E+14
Volume 1.106128792936E+21
Height 9943769.7206089