21084872 (number)

21084872 is an even 8-digits composite number following 21084871 and preceding 21084873. In scientific notation, it is written as 2.1084872 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 10486480 positive integers (up to 21084872) that are relatively prime to 21084872.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand eight hundred seventy-two

Notation

Scientific notation 2.1084872 × 10^7
Engineering notation 2.1084872 × 10^6

Prime Factorization of 21084872

Prime Factorization 2 × 2 × 2 × 191 × 13799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5271218
Product of the distinct prime numbers

The prime factorization of 21084872 is 2 × 2 × 2 × 191 × 13799. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084872)

Multiplication

n×y
n×2 42169744
n×3 63254616
n×4 84339488
n×5 105424360

Division

n÷y
n÷2 10542436
n÷3 7028290.6666667
n÷3 5271218
n÷5 4216974.4

Exponentiation

ny
n2 444571827256384
n3 9.373740072507E+21
n4 1.9764410959008E+29
n5 4.1673007522608E+36

Nth Root

y√n
2√n 4591.8266517803
3√n 276.26359330612
4√n 67.763018319584
5√n 29.160448127183

Divisors of 21084872

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 -21084871
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 21084872 can be divided by 16 positive divisors. The sum of these divisors (counting 21084872) is 1, the average is 0.0625.

Base conversion 21084872

Base System Value
2 Binary 1010000011011101011001000
3 Ternary 1110200020000012
4 Quaternary 1100123223020
5 Quinary 20344203442
6 Senary 2031531052
8 Octal 120335310
10 Decimal 21084872
12 Duodecimal 7089a88
16 Hexadecimal 141bac8
20 Vigesimal 6bfc3c
36 Base36 cjx6w

Cryptographic Hash Functions

md5 cb886cb906eaf3da782ee4984cf7bccb
sha1 95ec73671f42d3d28d4e0ab5b124998673cf0755
sha256 ffc4b7aa3645593c37488917b7f800778bd0a6a3aa83512d5ff4cdb112422c06
sha512 a75eef7027ebd34883589c8aac7a57a75f1aedf74e19e018e510eabe71da8810cdc55a2d6f6463f1d5ba7bc649d3c1fba4a87390502f78f4dcec47fac82bd6fd
ripemd-160 ffab5324ccafd8661d25bd6989b4566f333ecb80

21084872 as geometric shapes

Circle

Radius = n
Diameter 42169744
Circumference 132480157.95416
Area 1.3966635865016E+15

Sphere

Radius = n
Volume 3.9264630597931E+22
Surface area 5.5866543460066E+15
Circumference 132480157.95416

Square

Length = n
Perimeter 84339488
Area 444571827256384
Diagonal 29818511.943301

Cube

Length = n
Surface area 2667430963538304
Volume 9.373740072507E+21
Space diagonal 36520069.575086

Equilateral Triangle

Length = n
Perimeter 63254616
Area 1.9250524810545E+14
Altitude 18260034.787543

Triangular Pyramid

Length = n
Surface area 1.9250524810545E+14
Volume 1.104705861725E+21
Height 9939503.9811002