21689870 (number)

21689870 is an even 8-digits composite number following 21689869 and preceding 21689871. In scientific notation, it is written as 2.1689870 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 8675944 positive integers (up to 21689870) that are relatively prime to 21689870.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand eight hundred seventy

Notation

Scientific notation 2.1689870 × 10^7
Engineering notation 2.1689870 × 10^6

Prime Factorization of 21689870

Prime Factorization 2 × 5 × 2168987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21689870
Product of the distinct prime numbers

The prime factorization of 21689870 is 2 × 5 × 2168987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21689870)

Multiplication

n×y
n×2 43379740
n×3 65069610
n×4 86759480
n×5 108449350

Division

n÷y
n÷2 10844935
n÷3 7229956.6666667
n÷3 5422467.5
n÷5 4337974

Exponentiation

ny
n2 470450460616900
n3 1.0204009332221E+22
n4 2.2132363589465E+29
n5 4.8004808904824E+36

Nth Root

y√n
2√n 4657.2384521302
3√n 278.88103594115
4√n 68.243962752248
5√n 29.325902734413

Divisors of 21689870

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 -21689869
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 21689870 can be divided by 8 positive divisors. The sum of these divisors (counting 21689870) is 1, the average is 0.125.

Base conversion 21689870

Base System Value
2 Binary 1010010101111011000001110
3 Ternary 1111210221220112
4 Quaternary 1102233120032
5 Quinary 21023033440
6 Senary 2052520022
8 Octal 122573016
10 Decimal 21689870
12 Duodecimal 7320012
16 Hexadecimal 14af60e
20 Vigesimal 6fb4da
36 Base36 cww0e

Cryptographic Hash Functions

md5 7d01f3d8aa2e42ff848476affc3248ef
sha1 1880fe3008d1090aab1bbc7a97fdaeb40db2c024
sha256 f5c7fe2afa2289ef510b429c0e5fbd5d26e11f3b50bbb75bb218c8b3ab53f79f
sha512 3ab7445420f8da31410ff1e33ae13f4ab2bd957e94c1a5432202ebf66ba39850d86d9ef13037d9d8acfb7370ada4762cc111f030679aac653fca6c6a7908f90a
ripemd-160 50228a5aafd16c32bf3a18ec7623eca7b6874b06

21689870 as geometric shapes

Circle

Radius = n
Diameter 43379740
Circumference 136281472.49864
Area 1.477963710952E+15

Sphere

Radius = n
Volume 4.2742454340355E+22
Surface area 5.9118548438079E+15
Circumference 136281472.49864

Square

Length = n
Perimeter 86759480
Area 470450460616900
Diagonal 30674108.320109

Cube

Length = n
Surface area 2822702763701400
Volume 1.0204009332221E+22
Space diagonal 37567956.849564

Equilateral Triangle

Length = n
Perimeter 65069610
Area 2.0371102505816E+14
Altitude 18783978.424782

Triangular Pyramid

Length = n
Surface area 2.0371102505816E+14
Volume 1.2025540323507E+21
Height 10224702.77337