20681790 (number)

20681790 is an even 8-digits composite number following 20681789 and preceding 20681791. In scientific notation, it is written as 2.0681790 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 5515136 positive integers (up to 20681790) that are relatively prime to 20681790.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand seven hundred ninety

Notation

Scientific notation 2.0681790 × 10^7
Engineering notation 2.0681790 × 10^6

Prime Factorization of 20681790

Prime Factorization 2 × 3 × 5 × 689393

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20681790
Product of the distinct prime numbers

The prime factorization of 20681790 is 2 × 3 × 5 × 689393. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 3, 85, 867, 365, 9128, 4131, 22885, 3652, 993178, 635856, 7668690, 2140095, 16198025, 67027994, 164389223, 467406580, 8118871619, 7713666897

Basic calculations (n = 20681790)

Multiplication

n×y
n×2 41363580
n×3 62045370
n×4 82727160
n×5 103408950

Division

n÷y
n÷2 10340895
n÷3 6893930
n÷3 5170447.5
n÷5 4136358

Exponentiation

ny
n2 427736437604100
n3 8.8463551778761E+21
n4 1.8295846005425E+29
n5 3.7839084495653E+36

Nth Root

y√n
2√n 4547.7236063772
3√n 274.49179971588
4√n 67.436811952947
5√n 29.048092897735

Divisors of 20681790

1, 2, 3, 5, 6, 10, 15, 30, 689393, 1378786, 2068179, 3446965, 4136358, 6893930, 10340895, 20681790

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 -20681789
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 20681790 can be divided by 16 positive divisors. The sum of these divisors (counting 20681790) is 1, the average is 0.0625.

Base conversion 20681790

Base System Value
2 Binary 1001110111001010000111110
3 Ternary 1102220202002020
4 Quaternary 1032321100332
5 Quinary 20243304130
6 Senary 2015141010
8 Octal 116712076
10 Decimal 20681790
12 Duodecimal 6b14766
16 Hexadecimal 13b943e
20 Vigesimal 69549a
36 Base36 cba66

Cryptographic Hash Functions

md5 5cff9a3a9349ce334005671f6d3ac0fd
sha1 a5080aa8440767ea1f89b09aecb49769efd63b43
sha256 c322df07837819d5b86393b11b4604de5db31e0d5a6c85514644c657d7f4c77c
sha512 fc729cc39829180671edf9e1fb855d89fe3338e69c7824b34b9fca29135ea6e272e689fbad2573a9536772a1f2187e3167777f509d4cd169fe743466a9590d69
ripemd-160 021ee410ed00efb5f08501f2a739ee0984ad8527

20681790 as geometric shapes

Circle

Radius = n
Diameter 41363580
Circumference 129947519.05417
Area 1.3437736500497E+15

Sphere

Radius = n
Volume 3.7055525917149E+22
Surface area 5.3750946001988E+15
Circumference 129947519.05417

Square

Length = n
Perimeter 82727160
Area 427736437604100
Diagonal 29248467.912152

Cube

Length = n
Surface area 2566418625624600
Volume 8.8463551778761E+21
Space diagonal 35821911.07147

Equilateral Triangle

Length = n
Perimeter 62045370
Area 1.852153105447E+14
Altitude 17910955.535735

Triangular Pyramid

Length = n
Surface area 1.852153105447E+14
Volume 1.0425529558435E+21
Height 9749489.3040508