21909425 (number)

21909425 is an odd 8-digits composite number following 21909424 and preceding 21909426. In scientific notation, it is written as 2.1909425 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 17352000 positive integers (up to 21909425) that are relatively prime to 21909425.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909425 × 10^7
Engineering notation 2.1909425 × 10^6

Prime Factorization of 21909425

Prime Factorization 5 × 5 × 101 × 8677

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4381885
Product of the distinct prime numbers

The prime factorization of 21909425 is 5 × 5 × 101 × 8677. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909425)

Multiplication

n×y
n×2 43818850
n×3 65728275
n×4 87637700
n×5 109547125

Division

n÷y
n÷2 10954712.5
n÷3 7303141.6666667
n÷3 5477356.25
n÷5 4381885

Exponentiation

ny
n2 480022903830625
n3 1.0517025809759E+22
n4 2.3042198820199E+29
n5 5.0484132688623E+36

Nth Root

y√n
2√n 4680.7504740159
3√n 279.81886669282
4√n 68.416010363188
5√n 29.385033893736

Divisors of 21909425

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909424
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909425 can be divided by 12 positive divisors. The sum of these divisors (counting 21909425) is 1, the average is 0.083333333333333.

Base conversion 21909425

Base System Value
2 Binary 1010011100100111110110001
3 Ternary 1112020010002012
4 Quaternary 1103210332301
5 Quinary 21102100200
6 Senary 2101332305
8 Octal 123447661
10 Decimal 21909425
12 Duodecimal 7407095
16 Hexadecimal 14e4fb1
20 Vigesimal 6gidb5
36 Base36 d1lf5

Cryptographic Hash Functions

md5 72a940ecb0fe3094dd46e1d267a2d27f
sha1 873f6128cfe9e2065d9d3c0616d11acfad3ca489
sha256 53ca2dda02dbe8ba2951af4dc0ebda2598256785b3ec768c6227623eb88460c3
sha512 d93586f15efb2645b3fc6e520e5e798cb2dbb406343654cb46e0e7827d5ccd4896abc7f93482c0905131cc1f9a9bf8b888a6187e5b8a38afb0242d2068c4367b
ripemd-160 00cdfe46e54056b65ed19256d0e0de92f006fe50

21909425 as geometric shapes

Circle

Radius = n
Diameter 43818850
Circumference 137660977.24875
Area 1.5080364282291E+15

Sphere

Radius = n
Volume 4.4053614695405E+22
Surface area 6.0321457129165E+15
Circumference 137660977.24875

Square

Length = n
Perimeter 87637700
Area 480022903830625
Diagonal 30984605.978796

Cube

Length = n
Surface area 2880137422983750
Volume 1.0517025809759E+22
Space diagonal 37948237.26462

Equilateral Triangle

Length = n
Perimeter 65728275
Area 2.0785601455785E+14
Altitude 18974118.63231

Triangular Pyramid

Length = n
Surface area 2.0785601455785E+14
Volume 1.2394433779991E+21
Height 10328201.992932