21909087 (number)

21909087 is an odd 8-digits composite number following 21909086 and preceding 21909088. In scientific notation, it is written as 2.1909087 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 13700544 positive integers (up to 21909087) that are relatively prime to 21909087.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand eighty-seven

Notation

Scientific notation 2.1909087 × 10^7
Engineering notation 2.1909087 × 10^6

Prime Factorization of 21909087

Prime Factorization 23 × 9 × 53 × 1997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21909087
Product of the distinct prime numbers

The prime factorization of 21909087 is 23 × 9 × 53 × 1997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 22, 31, 161, 642, 8599, 6117, 43420, 81040, 562503, 655462, 634566, 8837834, 61886337, 60525883, 306543525, 500837685, 7393241510, 3627089192

Basic calculations (n = 21909087)

Multiplication

n×y
n×2 43818174
n×3 65727261
n×4 87636348
n×5 109545435

Division

n÷y
n÷2 10954543.5
n÷3 7303029
n÷3 5477271.75
n÷5 4381817.4

Exponentiation

ny
n2 480008093173569
n3 1.0516539074044E+22
n4 2.3040776951213E+29
n5 5.0480238677171E+36

Nth Root

y√n
2√n 4680.7143685553
3√n 279.81742774949
4√n 68.415746495637
5√n 29.384943227707

Divisors of 21909087

1, 9, 23, 53, 207, 477, 1219, 1997, 10971, 17973, 45931, 105841, 413379, 952569, 2434343, 21909087

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 -21909086
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 21909087 can be divided by 16 positive divisors. The sum of these divisors (counting 21909087) is 1, the average is 0.0625.

Base conversion 21909087

Base System Value
2 Binary 1010011100100111001011111
3 Ternary 1112020002121200
4 Quaternary 1103210321133
5 Quinary 21102042322
6 Senary 2101330543
8 Octal 123447137
10 Decimal 21909087
12 Duodecimal 7406a53
16 Hexadecimal 14e4e5f
20 Vigesimal 6gice7
36 Base36 d1l5r

Cryptographic Hash Functions

md5 a20f32b168120d06bcf18d6f232fbe24
sha1 aed55c23e87f7b0c4567629bffac9b35db636de8
sha256 e7b3430bed2eec3edb8434c5135709cbd54204ef2fa4457fbbc89c59133770a5
sha512 df5c7b4eadb299fc52a79ca28a005f97ef2e3bc12fd9f53969dcea45f3a84e2510c94a564eff82f1a4bf60586b94638287137aca808ab537f3f4058a9f269499
ripemd-160 e370f3e86519424a9ad1b54d11572eb371fe9a82

21909087 as geometric shapes

Circle

Radius = n
Diameter 43818174
Circumference 137658853.53212
Area 1.5079898991777E+15

Sphere

Radius = n
Volume 4.4051575861608E+22
Surface area 6.0319595967109E+15
Circumference 137658853.53212

Square

Length = n
Perimeter 87636348
Area 480008093173569
Diagonal 30984127.974612

Cube

Length = n
Surface area 2880048559041414
Volume 1.0516539074044E+22
Space diagonal 37947651.831447

Equilateral Triangle

Length = n
Perimeter 65727261
Area 2.0784960135522E+14
Altitude 18973825.915723

Triangular Pyramid

Length = n
Surface area 2.0784960135522E+14
Volume 1.2393860156449E+21
Height 10328042.658204