21003872 (number)

21003872 is an even 8-digits composite number following 21003871 and preceding 21003873. In scientific notation, it is written as 2.1003872 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 12 positive divisors. There are 10501920 positive integers (up to 21003872) that are relatively prime to 21003872.

Interesting facts

Basic properties

Name

Name twenty-one million three thousand eight hundred seventy-two

Notation

Scientific notation 2.1003872 × 10^7
Engineering notation 2.1003872 × 10^6

Prime Factorization of 21003872

Prime Factorization 2 × 2 × 2 × 2 × 2 × 656371

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1312742
Product of the distinct prime numbers

The prime factorization of 21003872 is 2 × 2 × 2 × 2 × 2 × 656371. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 2, 11, 96, 629, 644, 3330, 841, 30096, 70460, 396427, 431534, 1424361, 7127800, 51372253, 69915906, 703711398, 852476472, 3682209735, 5591642429

Basic calculations (n = 21003872)

Multiplication

n×y
n×2 42007744
n×3 63011616
n×4 84015488
n×5 105019360

Division

n÷y
n÷2 10501936
n÷3 7001290.6666667
n÷3 5250968
n÷5 4200774.4

Exponentiation

ny
n2 441162638992384
n3 9.2661236005782E+21
n4 1.9462447404272E+29
n5 4.0878675408607E+36

Nth Root

y√n
2√n 4582.9981453193
3√n 275.90937303164
4√n 67.697844465827
5√n 29.138008965676

Divisors of 21003872

1, 2, 4, 8, 16, 32, 656371, 1312742, 2625484, 5250968, 10501936, 21003872

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21003871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21003872 can be divided by 12 positive divisors. The sum of these divisors (counting 21003872) is 1, the average is 0.083333333333333.

Base conversion 21003872

Base System Value
2 Binary 1010000000111111001100000
3 Ternary 1110112002220012
4 Quaternary 1100013321200
5 Quinary 20334110442
6 Senary 2030104052
8 Octal 120077140
10 Decimal 21003872
12 Duodecimal 704b028
16 Hexadecimal 1407e60
20 Vigesimal 6b59dc
36 Base36 ci6ow

Cryptographic Hash Functions

md5 b03159c9134c61aaab5ab8d5e3d477b8
sha1 4f38bf596c918e6d2f221dab8db392ff573a7301
sha256 ce38449e27d85e09944a0c974515f0e502f6fd7c126eef37f768088954af729d
sha512 53db3a1db5b4e43c55a57cf5245b633495c2d959e0f0803ed708b7084e31862425d198279cfcecb51efabd699cf756773a03c5c3d4bf9523e7287c564d571ce0
ripemd-160 042fdc7e37705541b29b3499b03abce3f1b5570c

21003872 as geometric shapes

Circle

Radius = n
Diameter 42007744
Circumference 131971219.94428
Area 1.3859533056968E+15

Sphere

Radius = n
Volume 3.8813847774442E+22
Surface area 5.543813222787E+15
Circumference 131971219.94428

Square

Length = n
Perimeter 84015488
Area 441162638992384
Diagonal 29703960.644749

Cube

Length = n
Surface area 2646975833954304
Volume 9.2661236005782E+21
Space diagonal 36379773.459673

Equilateral Triangle

Length = n
Perimeter 63011616
Area 1.9102902628399E+14
Altitude 18189886.729837

Triangular Pyramid

Length = n
Surface area 1.9102902628399E+14
Volume 1.0920231388803E+21
Height 9901320.2149162