21003912 (number)

21003912 is an even 8-digits composite number following 21003911 and preceding 21003913. In scientific notation, it is written as 2.1003912 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors. There are 7001280 positive integers (up to 21003912) that are relatively prime to 21003912.

Interesting facts

Basic properties

Name

Name twenty-one million three thousand nine hundred twelve

Notation

Scientific notation 2.1003912 × 10^7
Engineering notation 2.1003912 × 10^6

Prime Factorization of 21003912

Prime Factorization 2 × 2 × 2 × 9 × 291721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5250978
Product of the distinct prime numbers

The prime factorization of 21003912 is 2 × 2 × 2 × 9 × 291721. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 2, 36, 758, 657, 3281, 8641, 75763, 33184, 799762, 465035, 4261308, 1596419, 660996, 88982501, 257599335, 227679455, 21852124, 302736062

Basic calculations (n = 21003912)

Multiplication

n×y
n×2 42007824
n×3 63011736
n×4 84015648
n×5 105019560

Division

n÷y
n÷2 10501956
n÷3 7001304
n÷3 5250978
n÷5 4200782.4

Exponentiation

ny
n2 441164319303744
n3 9.2661765401957E+21
n4 1.9462595662674E+29
n5 4.0879064659038E+36

Nth Root

y√n
2√n 4583.0025092727
3√n 275.90954817979
4√n 67.69787669693
5√n 29.138020063816

Divisors of 21003912

1, 2, 4, 8, 9, 18, 36, 72, 291721, 583442, 1166884, 2333768, 2625489, 5250978, 10501956, 21003912

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 -21003911
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 21003912 can be divided by 16 positive divisors. The sum of these divisors (counting 21003912) is 1, the average is 0.0625.

Base conversion 21003912

Base System Value
2 Binary 1010000000111111010001000
3 Ternary 1110112002221200
4 Quaternary 1100013322020
5 Quinary 20334111122
6 Senary 2030104200
8 Octal 120077210
10 Decimal 21003912
12 Duodecimal 704b060
16 Hexadecimal 1407e88
20 Vigesimal 6b59fc
36 Base36 ci6q0

Cryptographic Hash Functions

md5 45d378992e10483201a651f1c2850ad2
sha1 15d16aa798358caf3724bfbac6279b8616cb8f9c
sha256 463f57aa6df193efe13c32d49cd8e53901ec0b9de03593b8e670dec5ecac5bc6
sha512 44edd61314bbdcd7f39d02f9b0afa12aa5f59a42b8ec29431d0e4f20fc30e18600e456ad90da9896e1c0a1251a1607385e7cd7e540279551f1228c614684eca5
ripemd-160 fb7b7dd913e236e990f74a2e4572b16e0da1671b

21003912 as geometric shapes

Circle

Radius = n
Diameter 42007824
Circumference 131971471.27169
Area 1.3859585845506E+15

Sphere

Radius = n
Volume 3.8814069527393E+22
Surface area 5.5438343382023E+15
Circumference 131971471.27169

Square

Length = n
Perimeter 84015648
Area 441164319303744
Diagonal 29704017.213291

Cube

Length = n
Surface area 2646985915822464
Volume 9.2661765401957E+21
Space diagonal 36379842.741706

Equilateral Triangle

Length = n
Perimeter 63011736
Area 1.9102975388016E+14
Altitude 18189921.370853

Triangular Pyramid

Length = n
Surface area 1.9102975388016E+14
Volume 1.092029377874E+21
Height 9901339.071097