21023904 (number)

21023904 is an even 8-digits composite number following 21023903 and preceding 21023905. In scientific notation, it is written as 2.1023904 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 48 positive divisors. There are 6209280 positive integers (up to 21023904) that are relatively prime to 21023904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1023904 × 10^7
Engineering notation 2.1023904 × 10^6

Prime Factorization of 21023904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 33 × 43 × 463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1313994
Product of the distinct prime numbers

The prime factorization of 21023904 is 2 × 2 × 2 × 2 × 2 × 33 × 43 × 463. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21023904)

Multiplication

n×y
n×2 42047808
n×3 63071712
n×4 84095616
n×5 105119520

Division

n÷y
n÷2 10511952
n÷3 7007968
n÷3 5255976
n÷5 4204780.8

Exponentiation

ny
n2 442004539401216
n3 9.2926610039354E+21
n4 1.9536801285128E+29
n5 4.1073983468561E+36

Nth Root

y√n
2√n 4585.1830933999
3√n 275.99705940996
4√n 67.713980044005
5√n 29.143564798897

Divisors of 21023904

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21023903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21023904 can be divided by 48 positive divisors. The sum of these divisors (counting 21023904) is 1, the average is 0.020833333333333.

Base conversion 21023904

Base System Value
2 Binary 1010000001100110010100000
3 Ternary 1110120010101010
4 Quaternary 1100030302200
5 Quinary 20340231104
6 Senary 2030340520
8 Octal 120146240
10 Decimal 21023904
12 Duodecimal 705a740
16 Hexadecimal 140cca0
20 Vigesimal 6b7jf4
36 Base36 cim5c

Cryptographic Hash Functions

md5 bc8adc95ef075268d046bb6063777c95
sha1 bc2160d58c671abe1f1d2ca60e0fc48a939828eb
sha256 eb74bdb993f842827167f7a72e72646c6df3d275682dcec7ddeb40336978947c
sha512 59b6ea3d88d532b7e2fca3a94c38d0834082bc42274b38b559e5e289911fae35a13d126c84b3b6be4ef04da45e39bea3242fc132d646429129bf490db4264621
ripemd-160 71c1d9789f6727871abf2585225da79d8a802f1b

21023904 as geometric shapes

Circle

Radius = n
Diameter 42047808
Circumference 132097084.71235
Area 1.3885982138362E+15

Sphere

Radius = n
Volume 3.8925007389685E+22
Surface area 5.5543928553448E+15
Circumference 132097084.71235

Square

Length = n
Perimeter 84095616
Area 442004539401216
Diagonal 29732290.17083

Cube

Length = n
Surface area 2652027236407296
Volume 9.2926610039354E+21
Space diagonal 36414469.901451

Equilateral Triangle

Length = n
Perimeter 63071712
Area 1.9139357985475E+14
Altitude 18207234.950725

Triangular Pyramid

Length = n
Surface area 1.9139357985475E+14
Volume 1.0951506018584E+21
Height 9910763.3902767