20686939 (number)

20686939 is an odd 8-digits composite number following 20686938 and preceding 20686940. In scientific notation, it is written as 2.0686939 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 16289280 positive integers (up to 20686939) that are relatively prime to 20686939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0686939 × 10^7
Engineering notation 2.0686939 × 10^6

Prime Factorization of 20686939

Prime Factorization 7 × 809 × 13 × 281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20686939
Product of the distinct prime numbers

The prime factorization of 20686939 is 7 × 809 × 13 × 281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 33, 49, 337, 617, 1434, 8656, 26728, 99460, 522224, 455382, 651644, 2614306, 73240118, 66643270, 922539496, 207850050, 5727447760, 2059362035

Basic calculations (n = 20686939)

Multiplication

n×y
n×2 41373878
n×3 62060817
n×4 82747756
n×5 103434695

Division

n÷y
n÷2 10343469.5
n÷3 6895646.3333333
n÷3 5171734.75
n÷5 4137387.8

Exponentiation

ny
n2 427949445189721
n3 8.8529640677236E+21
n4 1.8314072763819E+29
n5 3.7886210610669E+36

Nth Root

y√n
2√n 4548.2896785495
3√n 274.51457725757
4√n 67.441008878497
5√n 29.049539133653

Divisors of 20686939

1, 7, 13, 91, 281, 809, 1967, 3653, 5663, 10517, 25571, 73619, 227329, 1591303, 2955277, 20686939

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 -20686938
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 20686939 can be divided by 16 positive divisors. The sum of these divisors (counting 20686939) is 1, the average is 0.0625.

Base conversion 20686939

Base System Value
2 Binary 1001110111010100001011011
3 Ternary 1102221000010221
4 Quaternary 1032322201123
5 Quinary 20243440224
6 Senary 2015220511
8 Octal 116724133
10 Decimal 20686939
12 Duodecimal 6b17737
16 Hexadecimal 13ba85b
20 Vigesimal 695h6j
36 Base36 cbe57

Cryptographic Hash Functions

md5 85b5d8e9d2042acc064ab1c5d4789558
sha1 52dabaf906194c6c56932f69e6c1958878868c0a
sha256 43323049773d568e512b592f53cbc206110b35587d4535c385dcd4a1f880ed40
sha512 93b19b6cb39144a877966d3a8ad2867107d1f6354e5632dc0fcdf24f68ca9c9213bf5ca8b77d141bdf5ea1f8c17e8cbaa09d5ccefc0d02e62aa10389914bd7e3
ripemd-160 d3bb650e2ec83add35261b0b28d06865a8fcf2ef

20686939 as geometric shapes

Circle

Radius = n
Diameter 41373878
Circumference 129979871.17532
Area 1.3444428331159E+15

Sphere

Radius = n
Volume 3.7083209170207E+22
Surface area 5.3777713324634E+15
Circumference 129979871.17532

Square

Length = n
Perimeter 82747756
Area 427949445189721
Diagonal 29255749.697785

Cube

Length = n
Surface area 2567696671138326
Volume 8.8529640677236E+21
Space diagonal 35830829.401078

Equilateral Triangle

Length = n
Perimeter 62060817
Area 1.8530754553488E+14
Altitude 17915414.700539

Triangular Pyramid

Length = n
Surface area 1.8530754553488E+14
Volume 1.0433318209814E+21
Height 9751916.5659283