21000621 (number)

21000621 is an odd 8-digits composite number following 21000620 and preceding 21000622. In scientific notation, it is written as 2.1000621 × 10^7. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 13980672 positive integers (up to 21000621) that are relatively prime to 21000621.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred twenty-one

Notation

Scientific notation 2.1000621 × 10^7
Engineering notation 2.1000621 × 10^6

Prime Factorization of 21000621

Prime Factorization 3 × 769 × 9103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000621
Product of the distinct prime numbers

The prime factorization of 21000621 is 3 × 769 × 9103. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000621)

Multiplication

n×y
n×2 42001242
n×3 63001863
n×4 84002484
n×5 105003105

Division

n÷y
n÷2 10500310.5
n÷3 7000207
n÷3 5250155.25
n÷5 4200124.2

Exponentiation

ny
n2 441026082385641
n3 9.2618216072956E+21
n4 1.9450400534443E+29
n5 4.0847048992203E+36

Nth Root

y√n
2√n 4582.6434511099
3√n 275.89513712228
4√n 67.695224729
5√n 29.13710690788

Divisors of 21000621

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000621 can be divided by 8 positive divisors. The sum of these divisors (counting 21000621) is 1, the average is 0.125.

Base conversion 21000621

Base System Value
2 Binary 1010000000111000110101101
3 Ternary 1110111221102210
4 Quaternary 1100013012231
5 Quinary 20334004441
6 Senary 2030041033
8 Octal 120070655
10 Decimal 21000621
12 Duodecimal 7049179
16 Hexadecimal 14071ad
20 Vigesimal 6b51b1
36 Base36 ci46l

Cryptographic Hash Functions

md5 8e84c6dfb253b7905bdbbab707da03d0
sha1 a7761e83308ca09411c3de66c2c26f8cf8b1bfe8
sha256 ccb062295992f68f77429630e3835c14d9cc94d2a0f4c85f9c99571c79421040
sha512 60b2180e660a879332de0f04e26f29aa99bc1d8020eff82372ab52f25a13f400f28469af73a7461a33a65da3a938d059c590c5f403755961bdda26886b07cbbe
ripemd-160 b6b08800c7a5f3750878d6ce642778bc4de91dd5

21000621 as geometric shapes

Circle

Radius = n
Diameter 42001242
Circumference 131950793.30885
Area 1.3855243004642E+15

Sphere

Radius = n
Volume 3.8795827627119E+22
Surface area 5.5420972018569E+15
Circumference 131950793.30885

Square

Length = n
Perimeter 84002484
Area 441026082385641
Diagonal 29699363.036457

Cube

Length = n
Surface area 2646156494313846
Volume 9.2618216072956E+21
Space diagonal 36374142.562498

Equilateral Triangle

Length = n
Perimeter 63001863
Area 1.9096989553875E+14
Altitude 18187071.281249

Triangular Pyramid

Length = n
Surface area 1.9096989553875E+14
Volume 1.0915161441098E+21
Height 9899787.6788191