21000868 (number)

21000868 is an even 8-digits composite number following 21000867 and preceding 21000869. In scientific notation, it is written as 2.1000868 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 8952768 positive integers (up to 21000868) that are relatively prime to 21000868.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-eight

Notation

Scientific notation 2.1000868 × 10^7
Engineering notation 2.1000868 × 10^6

Prime Factorization of 21000868

Prime Factorization 2 × 2 × 7 × 199 × 3769

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10500434
Product of the distinct prime numbers

The prime factorization of 21000868 is 2 × 2 × 7 × 199 × 3769. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 62, 12, 120, 370, 1483, 2840, 91787, 57775, 136063, 916418, 5262619, 7665556, 90219489, 47351220, 664505189, 153721247, 426400027, 4224405204

Basic calculations (n = 21000868)

Multiplication

n×y
n×2 42001736
n×3 63002604
n×4 84003472
n×5 105004340

Division

n÷y
n÷2 10500434
n÷3 7000289.3333333
n÷3 5250217
n÷5 4200173.6

Exponentiation

ny
n2 441036456753424
n3 9.2621484114664E+21
n4 1.9451315618561E+29
n5 4.0849451173175E+36

Nth Root

y√n
2√n 4582.6704005416
3√n 275.89621877016
4√n 67.695423778433
5√n 29.137175447106

Divisors of 21000868

1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3769, 5572, 7538, 15076, 26383, 52766, 105532, 750031, 1500062, 3000124, 5250217, 10500434, 21000868

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000868 can be divided by 24 positive divisors. The sum of these divisors (counting 21000868) is 1, the average is 0.041666666666667.

Base conversion 21000868

Base System Value
2 Binary 1010000000111001010100100
3 Ternary 1110111221202221
4 Quaternary 1100013022210
5 Quinary 20334011433
6 Senary 2030042124
8 Octal 120071244
10 Decimal 21000868
12 Duodecimal 7049344
16 Hexadecimal 14072a4
20 Vigesimal 6b5238
36 Base36 ci4dg

Cryptographic Hash Functions

md5 475d8344b5f9506ea7ebe2b40a215274
sha1 2bfa3157785f176e23246b33905c2a54ca330a50
sha256 36908fe1c55aafed9735f0cdccaad1c3ecd6fb59b3c78abd1b77ca0bdf08f9b7
sha512 fd7c83ad454dd537361ec5b178033b2fe3ee91b8d5b77bc9a7875fd4f8874531192d7a87bad618d53bf78a79e48718d2bfdce0867ac9bb7b6c6acf88c12ff686
ripemd-160 c3541337ff6cdcdf29a06d8c016b973bc067f7e7

21000868 as geometric shapes

Circle

Radius = n
Diameter 42001736
Circumference 131952345.25562
Area 1.3855568925018E+15

Sphere

Radius = n
Volume 3.8797196541228E+22
Surface area 5.5422275700073E+15
Circumference 131952345.25562

Square

Length = n
Perimeter 84003472
Area 441036456753424
Diagonal 29699712.347207

Cube

Length = n
Surface area 2646218740520544
Volume 9.2621484114664E+21
Space diagonal 36374570.379047

Equilateral Triangle

Length = n
Perimeter 63002604
Area 1.9097438777177E+14
Altitude 18187285.189524

Triangular Pyramid

Length = n
Surface area 1.9097438777177E+14
Volume 1.0915546583507E+21
Height 9899904.1157357