20681745 (number)

20681745 is an odd 8-digits composite number following 20681744 and preceding 20681746. In scientific notation, it is written as 2.0681745 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 9296640 positive integers (up to 20681745) that are relatively prime to 20681745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681745 × 10^7
Engineering notation 2.0681745 × 10^6

Prime Factorization of 20681745

Prime Factorization 15 × 7 × 61 × 3229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20681745
Product of the distinct prime numbers

The prime factorization of 20681745 is 15 × 7 × 61 × 3229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 50, 90, 280, 442, 1636, 7632, 37124, 30807, 46913, 24835, 5240745, 880483, 1787429, 24346850, 735553337, 606668810, 8516697537, 5200091024

Basic calculations (n = 20681745)

Multiplication

n×y
n×2 41363490
n×3 62045235
n×4 82726980
n×5 103408725

Division

n÷y
n÷2 10340872.5
n÷3 6893915
n÷3 5170436.25
n÷5 4136349

Exponentiation

ny
n2 427734576245025
n3 8.8462974335827E+21
n4 1.8295686771551E+29
n5 3.7838672840909E+36

Nth Root

y√n
2√n 4547.7186588442
3√n 274.4916006335
4√n 67.436775270206
5√n 29.048080256998

Divisors of 20681745

1, 7, 15, 61, 105, 427, 915, 3229, 6405, 22603, 48435, 196969, 339045, 1378783, 2954535, 20681745

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 -20681744
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 20681745 can be divided by 16 positive divisors. The sum of these divisors (counting 20681745) is 1, the average is 0.0625.

Base conversion 20681745

Base System Value
2 Binary 1001110111001010000010001
3 Ternary 1102220202000120
4 Quaternary 1032321100101
5 Quinary 20243303440
6 Senary 2015140453
8 Octal 116712021
10 Decimal 20681745
12 Duodecimal 6b14729
16 Hexadecimal 13b9411
20 Vigesimal 695475
36 Base36 cba4x

Cryptographic Hash Functions

md5 021c6156af20971e5755ef9f547c9c29
sha1 637a9bd77e570f38f12ec6d6b0e01f0431aba549
sha256 11eb06373eeb9ef01c72db594b479b905d28fa3fa71aae237f649f854eeb0e76
sha512 6bbeb5e19fa7099158052e4cefb5506448e21ddef39d61383eeab580ace63fb50037d84fc04a08b7895bf0cda93be06a7316ec439d88fbe094f6506a05ce9cca
ripemd-160 0d396855bee71df40eb8d0813c5a173caecc6a3b

20681745 as geometric shapes

Circle

Radius = n
Diameter 41363490
Circumference 129947236.31083
Area 1.3437678024177E+15

Sphere

Radius = n
Volume 3.7055284038418E+22
Surface area 5.3750712096709E+15
Circumference 129947236.31083

Square

Length = n
Perimeter 82726980
Area 427734576245025
Diagonal 29248404.272542

Cube

Length = n
Surface area 2566407457470150
Volume 8.8462974335827E+21
Space diagonal 35821833.129184

Equilateral Triangle

Length = n
Perimeter 62045235
Area 1.8521450455258E+14
Altitude 17910916.564592

Triangular Pyramid

Length = n
Surface area 1.8521450455258E+14
Volume 1.0425461506132E+21
Height 9749468.0908473