21102009 (number)

21102009 is an odd 8-digits composite number following 21102008 and preceding 21102010. In scientific notation, it is written as 2.1102009 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 14068004 positive integers (up to 21102009) that are relatively prime to 21102009.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred two thousand nine

Notation

Scientific notation 2.1102009 × 10^7
Engineering notation 2.1102009 × 10^6

Prime Factorization of 21102009

Prime Factorization 3 × 7034003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21102009
Product of the distinct prime numbers

The prime factorization of 21102009 is 3 × 7034003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21102009)

Multiplication

n×y
n×2 42204018
n×3 63306027
n×4 84408036
n×5 105510045

Division

n÷y
n÷2 10551004.5
n÷3 7034003
n÷3 5275502.25
n÷5 4220401.8

Exponentiation

ny
n2 445294783836081
n3 9.396614536162E+21
n4 1.9828744451162E+29
n5 4.1842634386713E+36

Nth Root

y√n
2√n 4593.6923057601
3√n 276.3384186303
4√n 67.776782940474
5√n 29.165186692505

Divisors of 21102009

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21102008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21102009 can be divided by 4 positive divisors. The sum of these divisors (counting 21102009) is 1, the average is 0.25.

Base conversion 21102009

Base System Value
2 Binary 1010000011111110110111001
3 Ternary 1110201002111220
4 Quaternary 1100133312321
5 Quinary 20400231014
6 Senary 2032142253
8 Octal 120376671
10 Decimal 21102009
12 Duodecimal 7097989
16 Hexadecimal 141fdb9
20 Vigesimal 6bhf09
36 Base36 ckaex

Cryptographic Hash Functions

md5 f61df0163dc68d31db762bd758c1b575
sha1 77b1a4119ff43ce5edf8cd8a67efa664cc758435
sha256 df8a8f512c0cfd23dafd5674e22543dd0f2b0dbdedc7c70b7cad35354f6b5837
sha512 7a30960ac3d69a7dd6d0a23c368aabb35279605231ed9d40eebfbb02492a6121c8bea52c65f20f5564e4f215c4190a30ac381885458ac53c184d19d6272bf8bf
ripemd-160 5e45e1017b8e170d33622e3e11184e580e47d362

21102009 as geometric shapes

Circle

Radius = n
Diameter 42204018
Circumference 132587832.90077
Area 1.3989348215813E+15

Sphere

Radius = n
Volume 3.9360446927229E+22
Surface area 5.5957392863251E+15
Circumference 132587832.90077

Square

Length = n
Perimeter 84408036
Area 445294783836081
Diagonal 29842747.321119

Cube

Length = n
Surface area 2671768703016486
Volume 9.396614536162E+21
Space diagonal 36549751.729776

Equilateral Triangle

Length = n
Perimeter 63306027
Area 1.9281829748737E+14
Altitude 18274875.864888

Triangular Pyramid

Length = n
Surface area 1.9281829748737E+14
Volume 1.1074016431194E+21
Height 9947582.440373