20681888 (number)

20681888 is an even 8-digits composite number following 20681887 and preceding 20681889. In scientific notation, it is written as 2.0681888 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 12 positive divisors. There are 10340928 positive integers (up to 20681888) that are relatively prime to 20681888.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681888 × 10^7
Engineering notation 2.0681888 × 10^6

Prime Factorization of 20681888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 646309

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1292618
Product of the distinct prime numbers

The prime factorization of 20681888 is 2 × 2 × 2 × 2 × 2 × 646309. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 6, 4, 99, 970, 574, 8839, 1501, 53355, 36596, 956626, 412802, 1922271, 5469410, 14791943, 58243228, 336394960, 638931316, 3991135198, 66486639

Basic calculations (n = 20681888)

Multiplication

n×y
n×2 41363776
n×3 62045664
n×4 82727552
n×5 103409440

Division

n÷y
n÷2 10340944
n÷3 6893962.6666667
n÷3 5170472
n÷5 4136377.6

Exponentiation

ny
n2 427740491244544
n3 8.8464809329846E+21
n4 1.8296192785012E+29
n5 3.7839981000603E+36

Nth Root

y√n
2√n 4547.7343809858
3√n 274.49223327206
4√n 67.436891839599
5√n 29.048120426374

Divisors of 20681888

1, 2, 4, 8, 16, 32, 646309, 1292618, 2585236, 5170472, 10340944, 20681888

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681888 can be divided by 12 positive divisors. The sum of these divisors (counting 20681888) is 1, the average is 0.083333333333333.

Base conversion 20681888

Base System Value
2 Binary 1001110111001010010100000
3 Ternary 1102220202012212
4 Quaternary 1032321102200
5 Quinary 20243310023
6 Senary 2015141252
8 Octal 116712240
10 Decimal 20681888
12 Duodecimal 6b14828
16 Hexadecimal 13b94a0
20 Vigesimal 6954e8
36 Base36 cba8w

Cryptographic Hash Functions

md5 b5049d06d1e79f36b3268d6314e6f955
sha1 4e33d10fac0d5797134e5603898441c1ee5b9fb6
sha256 9cf5156bedf9261a4be1b0ab8a226332bc5fdb74688d7eb53f9d9ede093a2d1c
sha512 16fb18454a58a6c7f2232efd47191710c84a842b736e2f84e9614cd7def9f6988fe9d79687bd91299e57a10f5a8fe347cffb131c4c7a8973ca21942f1d22e070
ripemd-160 90303a3bde03f3f5db92fdf25d34a6b21f97892d

20681888 as geometric shapes

Circle

Radius = n
Diameter 41363776
Circumference 129948134.80633
Area 1.3437863849367E+15

Sphere

Radius = n
Volume 3.7056052678916E+22
Surface area 5.375145539747E+15
Circumference 129948134.80633

Square

Length = n
Perimeter 82727552
Area 427740491244544
Diagonal 29248606.505081

Cube

Length = n
Surface area 2566442947467264
Volume 8.8464809329846E+21
Space diagonal 35822080.812449

Equilateral Triangle

Length = n
Perimeter 62045664
Area 1.8521706582251E+14
Altitude 17911040.406225

Triangular Pyramid

Length = n
Surface area 1.8521706582251E+14
Volume 1.0425677762252E+21
Height 9749535.5016938