20681685 (number)

20681685 is an odd 8-digits composite number following 20681684 and preceding 20681686. In scientific notation, it is written as 2.0681685 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 11030208 positive integers (up to 20681685) that are relatively prime to 20681685.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681685 × 10^7
Engineering notation 2.0681685 × 10^6

Prime Factorization of 20681685

Prime Factorization 45 × 459593

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20681685
Product of the distinct prime numbers

The prime factorization of 20681685 is 45 × 459593. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681685)

Multiplication

n×y
n×2 41363370
n×3 62045055
n×4 82726740
n×5 103408425

Division

n÷y
n÷2 10340842.5
n÷3 6893895
n÷3 5170421.25
n÷5 4136337

Exponentiation

ny
n2 427732094439225
n3 8.8462204415823E+21
n4 1.8295474461337E+29
n5 3.7838123973491E+36

Nth Root

y√n
2√n 4547.7120621253
3√n 274.49133518988
4√n 67.436726359791
5√n 29.048063402648

Divisors of 20681685

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681684
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681685 can be divided by 4 positive divisors. The sum of these divisors (counting 20681685) is 1, the average is 0.25.

Base conversion 20681685

Base System Value
2 Binary 1001110111001001111010101
3 Ternary 1102220201221100
4 Quaternary 1032321033111
5 Quinary 20243303220
6 Senary 2015140313
8 Octal 116711725
10 Decimal 20681685
12 Duodecimal 6b14699
16 Hexadecimal 13b93d5
20 Vigesimal 695445
36 Base36 cba39

Cryptographic Hash Functions

md5 06cec8a732d4f7604c8b49fb7d79c29f
sha1 e6950f7fdb5b46c57ff672c3419f84b15328e524
sha256 2dc19ea7b92c10ef5723376aae4dd43cdc4cc2c7ca7a461e7e630cdf266ed108
sha512 dcda2cfe4cb9ce5c5efabf2ad2935cfa500820ecb2d18fd5e174b07a96492471cdfe44463a8b06ace0e4e44866d29ff5c09b931dc519d1c20a0ba3b757086288
ripemd-160 0e08aaa4750eab1d973e6e68f6b510897e3e3afa

20681685 as geometric shapes

Circle

Radius = n
Diameter 41363370
Circumference 129946859.31972
Area 1.3437600055948E+15

Sphere

Radius = n
Volume 3.7054961535081E+22
Surface area 5.3750400223794E+15
Circumference 129946859.31972

Square

Length = n
Perimeter 82726740
Area 427732094439225
Diagonal 29248319.419728

Cube

Length = n
Surface area 2566392566635350
Volume 8.8462204415823E+21
Space diagonal 35821729.206135

Equilateral Triangle

Length = n
Perimeter 62045055
Area 1.8521342989915E+14
Altitude 17910864.603068

Triangular Pyramid

Length = n
Surface area 1.8521342989915E+14
Volume 1.042537077019E+21
Height 9749439.8065761