21820912 (number)

21820912 is an even 8-digits composite number following 21820911 and preceding 21820913. In scientific notation, it is written as 2.1820912 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 10 positive divisors. There are 10910448 positive integers (up to 21820912) that are relatively prime to 21820912.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred twenty thousand nine hundred twelve

Notation

Scientific notation 2.1820912 × 10^7
Engineering notation 2.1820912 × 10^6

Prime Factorization of 21820912

Prime Factorization 2 × 2 × 2 × 2 × 1363807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2727614
Product of the distinct prime numbers

The prime factorization of 21820912 is 2 × 2 × 2 × 2 × 1363807. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21820912)

Multiplication

n×y
n×2 43641824
n×3 65462736
n×4 87283648
n×5 109104560

Division

n÷y
n÷2 10910456
n÷3 7273637.3333333
n÷3 5455228
n÷5 4364182.4

Exponentiation

ny
n2 476152200511744
n3 1.0390075265973E+22
n4 2.2672091805218E+29
n5 4.9472572013757E+36

Nth Root

y√n
2√n 4671.2859043308
3√n 279.44153995309
4√n 68.346806101901
5√n 29.361252614051

Divisors of 21820912

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21820911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21820912 can be divided by 10 positive divisors. The sum of these divisors (counting 21820912) is 1, the average is 0.1.

Base conversion 21820912

Base System Value
2 Binary 1010011001111010111110000
3 Ternary 1112001121122221
4 Quaternary 1103033113300
5 Quinary 21041232122
6 Senary 2055410424
8 Octal 123172760
10 Decimal 21820912
12 Duodecimal 7383a14
16 Hexadecimal 14cf5f0
20 Vigesimal 6g7c5c
36 Base36 czp4g

Cryptographic Hash Functions

md5 7637acc10f9d7fc31e3f22875d1d6aec
sha1 1560b82482908d617d45df6052487d96f2fb6dd7
sha256 983ccb464f55b3340217f61c9ee34c74fe51d9488b48ccd779d01203dc44adb6
sha512 fd4f75ffa31ca5efe68e5ec1700e77db5d2e09d0c7b64631b48545d96dbb294f0d71ac4236db075bf8437a2d5aacc33c40be1ec076c5c6e207148cd3f3ee2f21
ripemd-160 d73ef6c4fbe897f43afaf49b924196530df8efc1

21820912 as geometric shapes

Circle

Radius = n
Diameter 43641824
Circumference 137104833.66766
Area 1.4958762551183E+15

Sphere

Radius = n
Volume 4.3521845501102E+22
Surface area 5.9835050204732E+15
Circumference 137104833.66766

Square

Length = n
Perimeter 87283648
Area 476152200511744
Diagonal 30859429.69375

Cube

Length = n
Surface area 2856913203070464
Volume 1.0390075265973E+22
Space diagonal 37794928.251489

Equilateral Triangle

Length = n
Perimeter 65462736
Area 2.0617995085552E+14
Altitude 18897464.125745

Triangular Pyramid

Length = n
Surface area 2.0617995085552E+14
Volume 1.2244821129347E+21
Height 10286476.564583