21000869 (number)

21000869 is an odd 8-digits composite number following 21000868 and preceding 21000870. In scientific notation, it is written as 2.1000869 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20553996 positive integers (up to 21000869) that are relatively prime to 21000869.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-nine

Notation

Scientific notation 2.1000869 × 10^7
Engineering notation 2.1000869 × 10^6

Prime Factorization of 21000869

Prime Factorization 47 × 446827

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000869
Product of the distinct prime numbers

The prime factorization of 21000869 is 47 × 446827. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000869)

Multiplication

n×y
n×2 42001738
n×3 63002607
n×4 84003476
n×5 105004345

Division

n÷y
n÷2 10500434.5
n÷3 7000289.6666667
n÷3 5250217.25
n÷5 4200173.8

Exponentiation

ny
n2 441036498755161
n3 9.2621497345758E+21
n4 1.9451319323421E+29
n5 4.0849460898834E+36

Nth Root

y√n
2√n 4582.6705096483
3√n 275.89622314929
4√n 67.695424584297
5√n 29.137175724591

Divisors of 21000869

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 -21000868
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 21000869 can be divided by 4 positive divisors. The sum of these divisors (counting 21000869) is 1, the average is 0.25.

Base conversion 21000869

Base System Value
2 Binary 1010000000111001010100101
3 Ternary 1110111221202222
4 Quaternary 1100013022211
5 Quinary 20334011434
6 Senary 2030042125
8 Octal 120071245
10 Decimal 21000869
12 Duodecimal 7049345
16 Hexadecimal 14072a5
20 Vigesimal 6b5239
36 Base36 ci4dh

Cryptographic Hash Functions

md5 b840bb7829b57ed7289d32b8b96b5dc7
sha1 814df32c753dc4417d837f4320ac9989aa7a5a25
sha256 647fe2be041aa337e059c015178d9f84d685631c9d73df94eeebce814e544163
sha512 839f0c61c46d547f63b24600fa54c2d57ea48b962e91c061257021a41f93cedd804554fb9d6e956737138ea91aca335e0fbde031e1cb4763ac0e7e6f9bf07ec7
ripemd-160 9ce202e33d9bef9668206d7c74cfac7e3fc7e977

21000869 as geometric shapes

Circle

Radius = n
Diameter 42001738
Circumference 131952351.5388
Area 1.3855570244542E+15

Sphere

Radius = n
Volume 3.8797202083456E+22
Surface area 5.5422280978167E+15
Circumference 131952351.5388

Square

Length = n
Perimeter 84003476
Area 441036498755161
Diagonal 29699713.761421

Cube

Length = n
Surface area 2646218992530966
Volume 9.2621497345758E+21
Space diagonal 36374572.111098

Equilateral Triangle

Length = n
Perimeter 63002607
Area 1.9097440595906E+14
Altitude 18187286.055549

Triangular Pyramid

Length = n
Surface area 1.9097440595906E+14
Volume 1.0915548142806E+21
Height 9899904.5871402