20685938 (number)

20685938 is an even 8-digits composite number following 20685937 and preceding 20685939. In scientific notation, it is written as 2.0685938 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 8176896 positive integers (up to 20685938) that are relatively prime to 20685938.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand nine hundred thirty-eight

Notation

Scientific notation 2.0685938 × 10^7
Engineering notation 2.0685938 × 10^6

Prime Factorization of 20685938

Prime Factorization 2 × 7 × 7 × 169 × 1249

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2955134
Product of the distinct prime numbers

The prime factorization of 20685938 is 2 × 7 × 7 × 169 × 1249. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 1, 85, 679, 48, 2572, 6191, 71472, 92539, 358876, 385025, 422326, 4544842, 36098893, 75145260, 454282918, 471161760, 4349134672, 7417453977

Basic calculations (n = 20685938)

Multiplication

n×y
n×2 41371876
n×3 62057814
n×4 82743752
n×5 103429690

Division

n÷y
n÷2 10342969
n÷3 6895312.6666667
n÷3 5171484.5
n÷5 4137187.6

Exponentiation

ny
n2 427908030939844
n3 8.8516789977237E+21
n4 1.8310528294281E+29
n5 3.7877045304275E+36

Nth Root

y√n
2√n 4548.1796358543
3√n 274.51014944728
4√n 67.440193029486
5√n 29.04925799828

Divisors of 20685938

1, 2, 7, 14, 49, 98, 169, 338, 1183, 1249, 2366, 2498, 8281, 8743, 16562, 17486, 61201, 122402, 211081, 422162, 1477567, 2955134, 10342969, 20685938

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685938 can be divided by 24 positive divisors. The sum of these divisors (counting 20685938) is 1, the average is 0.041666666666667.

Base conversion 20685938

Base System Value
2 Binary 1001110111010010001110010
3 Ternary 1102220221202212
4 Quaternary 1032322101302
5 Quinary 20243422223
6 Senary 2015212122
8 Octal 116722162
10 Decimal 20685938
12 Duodecimal 6b17042
16 Hexadecimal 13ba472
20 Vigesimal 695egi
36 Base36 cbdde

Cryptographic Hash Functions

md5 182c7ccfaeb344bae1349a965c741c26
sha1 1d48613d25745a6538a099cbf9bf47df3e865fe6
sha256 bbbcd0bcc55bd21884b585ac158e4bb1c75b190784f1c7b8ca89676eabf30e52
sha512 7d3731911a4b7f94815c9ad333e188477ab81a06004882c6f1452111ec36863cf80f3583f8612fceef2a7e9daba0751aca68a3d6219cf8c05559e8348cbea151
ripemd-160 791e958a8c5ac8b32ee994b6de578c1e1d0a8e4a

20685938 as geometric shapes

Circle

Radius = n
Diameter 41371876
Circumference 129973581.70683
Area 1.3443127264127E+15

Sphere

Radius = n
Volume 3.7077826281578E+22
Surface area 5.3772509056508E+15
Circumference 129973581.70683

Square

Length = n
Perimeter 82743752
Area 427908030939844
Diagonal 29254334.070009

Cube

Length = n
Surface area 2567448185639064
Volume 8.8516789977237E+21
Space diagonal 35829095.61822

Equilateral Triangle

Length = n
Perimeter 62057814
Area 1.8528961263864E+14
Altitude 17914547.80911

Triangular Pyramid

Length = n
Surface area 1.8528961263864E+14
Volume 1.0431803740295E+21
Height 9751444.690003