21000690 (number)

21000690 is an even 8-digits composite number following 21000689 and preceding 21000691. In scientific notation, it is written as 2.1000690 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 5600160 positive integers (up to 21000690) that are relatively prime to 21000690.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety

Notation

Scientific notation 2.1000690 × 10^7
Engineering notation 2.1000690 × 10^6

Prime Factorization of 21000690

Prime Factorization 2 × 9 × 5 × 233341

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000690
Product of the distinct prime numbers

The prime factorization of 21000690 is 2 × 9 × 5 × 233341. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000690)

Multiplication

n×y
n×2 42001380
n×3 63002070
n×4 84002760
n×5 105003450

Division

n÷y
n÷2 10500345
n÷3 7000230
n÷3 5250172.5
n÷5 4200138

Exponentiation

ny
n2 441028980476100
n3 9.2619128999946E+21
n4 1.9450656161979E+29
n5 4.0847720035431E+36

Nth Root

y√n
2√n 4582.6509795096
3√n 275.89543928388
4√n 67.695280334079
5√n 29.13712605453

Divisors of 21000690

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 -21000689
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 21000690 can be divided by 16 positive divisors. The sum of these divisors (counting 21000690) is 1, the average is 0.0625.

Base conversion 21000690

Base System Value
2 Binary 1010000000111000111110010
3 Ternary 1110111221112100
4 Quaternary 1100013013302
5 Quinary 20334010230
6 Senary 2030041230
8 Octal 120070762
10 Decimal 21000690
12 Duodecimal 7049216
16 Hexadecimal 14071f2
20 Vigesimal 6b51ea
36 Base36 ci48i

Cryptographic Hash Functions

md5 b3557f2619ece162ba7af2db4efbd111
sha1 657901b23e236a19be37aed054c410b47ebd12ca
sha256 0022e541806782ac6cd044b4cde14ec7348e347a1394d5805b7bd05326ce34ec
sha512 12288ea9c63daf1fbe61ae72a38121eb475155cb406fb9b984fac097bda54a7c80c1e8438dec14f13d168689bc8718d93f2d25a94f3fa0208d1c75122fe421ff
ripemd-160 b94f9334e04815ba9a41bd7520fcf60706dd9cfa

21000690 as geometric shapes

Circle

Radius = n
Diameter 42001380
Circumference 131951226.84863
Area 1.3855334050839E+15

Sphere

Radius = n
Volume 3.8796210033082E+22
Surface area 5.5421336203356E+15
Circumference 131951226.84863

Square

Length = n
Perimeter 84002760
Area 441028980476100
Diagonal 29699460.617193

Cube

Length = n
Surface area 2646173882856600
Volume 9.2619128999946E+21
Space diagonal 36374262.074004

Equilateral Triangle

Length = n
Perimeter 63002070
Area 1.9097115044873E+14
Altitude 18187131.037002

Triangular Pyramid

Length = n
Surface area 1.9097115044873E+14
Volume 1.0915269030576E+21
Height 9899820.205731