21207880 (number)

21207880 is an even 8-digits composite number following 21207879 and preceding 21207881. In scientific notation, it is written as 2.1207880 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 8483136 positive integers (up to 21207880) that are relatively prime to 21207880.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seven thousand eight hundred eighty

Notation

Scientific notation 2.1207880 × 10^7
Engineering notation 2.1207880 × 10^6

Prime Factorization of 21207880

Prime Factorization 2 × 2 × 2 × 5 × 530197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5301970
Product of the distinct prime numbers

The prime factorization of 21207880 is 2 × 2 × 2 × 5 × 530197. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 7, 48, 120, 837, 7308, 5561, 60219, 73872, 501647, 947394, 8780939, 8549096, 52582163, 58338178, 943060987, 320568476, 6152934354, 7345169928

Basic calculations (n = 21207880)

Multiplication

n×y
n×2 42415760
n×3 63623640
n×4 84831520
n×5 106039400

Division

n÷y
n÷2 10603940
n÷3 7069293.3333333
n÷3 5301970
n÷5 4241576

Exponentiation

ny
n2 449774174094400
n3 9.5387567112931E+21
n4 2.022968076823E+29
n5 4.2902864217093E+36

Nth Root

y√n
2√n 4605.2014071048
3√n 276.7997875526
4√n 67.861634279649
5√n 29.194393100738

Divisors of 21207880

1, 2, 4, 5, 8, 10, 20, 40, 530197, 1060394, 2120788, 2650985, 4241576, 5301970, 10603940, 21207880

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 -21207879
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 21207880 can be divided by 16 positive divisors. The sum of these divisors (counting 21207880) is 1, the average is 0.0625.

Base conversion 21207880

Base System Value
2 Binary 1010000111001101101001000
3 Ternary 1110220110202001
4 Quaternary 1100321231020
5 Quinary 20412123010
6 Senary 2034320344
8 Octal 120715510
10 Decimal 21207880
12 Duodecimal 71290b4
16 Hexadecimal 1439b48
20 Vigesimal 6caje0
36 Base36 cmk3s

Cryptographic Hash Functions

md5 22276c8a1bb9615728939f32b5460fca
sha1 14a9fb4624e0c08ff82a9a0ddbb41e49fdea71bc
sha256 ecde4ec6b470bb36c0492a9a1f34a7f7a3694e6f02a4e1e7f4148345ad8f5fc9
sha512 3b0da546161a60662d1fbf1cc5ce1e1f791cd374dee0b0cc5032ee5af8bea50197eb6c28b79c608a044eb38ae1b313f0fa3d709766872e2382a0c77c0402f294
ripemd-160 3324852da2b06d4a0c230099dd45801bd9de3b57

21207880 as geometric shapes

Circle

Radius = n
Diameter 42415760
Circumference 133253040.01243
Area 1.4130072411094E+15

Sphere

Radius = n
Volume 3.9955850678105E+22
Surface area 5.6520289644375E+15
Circumference 133253040.01243

Square

Length = n
Perimeter 84831520
Area 449774174094400
Diagonal 29992471.525181

Cube

Length = n
Surface area 2698645044566400
Volume 9.5387567112931E+21
Space diagonal 36733125.680824

Equilateral Triangle

Length = n
Perimeter 63623640
Area 1.9475793036596E+14
Altitude 18366562.840412

Triangular Pyramid

Length = n
Surface area 1.9475793036596E+14
Volume 1.1241532591073E+21
Height 9997490.5083937