21090912 (number)

21090912 is an even 8-digits composite number following 21090911 and preceding 21090913. In scientific notation, it is written as 2.1090912 × 10^7. The sum of its digits is 24. It has a total of 9 prime factors and 96 positive divisors. There are 6428160 positive integers (up to 21090912) that are relatively prime to 21090912.

Interesting facts

Basic properties

Name

Name twenty-one million ninety thousand nine hundred twelve

Notation

Scientific notation 2.1090912 × 10^7
Engineering notation 2.1090912 × 10^6

Prime Factorization of 21090912

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 19 × 31 × 373

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1318182
Product of the distinct prime numbers

The prime factorization of 21090912 is 2 × 2 × 2 × 2 × 2 × 3 × 19 × 31 × 373. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21090912)

Multiplication

n×y
n×2 42181824
n×3 63272736
n×4 84363648
n×5 105454560

Division

n÷y
n÷2 10545456
n÷3 7030304
n÷3 5272728
n÷5 4218182.4

Exponentiation

ny
n2 444826568991744
n3 9.3817980218668E+21
n4 1.9787067648097E+29
n5 4.1732730250405E+36

Nth Root

y√n
2√n 4592.4842950194
3√n 276.28997039765
4√n 67.767870669067
5√n 29.162118603803

Divisors of 21090912

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21090911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21090912 can be divided by 96 positive divisors. The sum of these divisors (counting 21090912) is 1, the average is 0.010416666666667.

Base conversion 21090912

Base System Value
2 Binary 1010000011101001001100000
3 Ternary 1110200112021220
4 Quaternary 1100131021200
5 Quinary 20344402122
6 Senary 2032015040
8 Octal 120351140
10 Decimal 21090912
12 Duodecimal 7091480
16 Hexadecimal 141d260
20 Vigesimal 6bg75c
36 Base36 ck1uo

Cryptographic Hash Functions

md5 5aa70b336a23e63a8dbcaea09445187a
sha1 df37b6249a2f718d4839fcc2109546ebd2311ad0
sha256 8e673fab5db1ed54bbedc5b4b95c9b009c9ed4ed30847cff10348ae0200a414b
sha512 23cca976717e4f73e1c67d5dbd5d5a3437a9db59717541e68a4133cd31274412695189749c1c7e6539bdc86b52284ca3763b8098eaec386cbbb917f914a85aea
ripemd-160 e0ac3bbaa94fd342b491871dfe20dd3e16ae36c5

21090912 as geometric shapes

Circle

Radius = n
Diameter 42181824
Circumference 132518108.39342
Area 1.397463881266E+15

Sphere

Radius = n
Volume 3.929838365728E+22
Surface area 5.5898555250641E+15
Circumference 132518108.39342

Square

Length = n
Perimeter 84363648
Area 444826568991744
Diagonal 29827053.793217

Cube

Length = n
Surface area 2668959413950464
Volume 9.3817980218668E+21
Space diagonal 36530531.161964

Equilateral Triangle

Length = n
Perimeter 63272736
Area 1.9261555451256E+14
Altitude 18265265.580982

Triangular Pyramid

Length = n
Surface area 1.9261555451256E+14
Volume 1.1056555001641E+21
Height 9942351.2644058