20681520 (number)

20681520 is an even 8-digits composite number following 20681519 and preceding 20681521. In scientific notation, it is written as 2.0681520 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 80 positive divisors. There are 5013504 positive integers (up to 20681520) that are relatively prime to 20681520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681520 × 10^7
Engineering notation 2.0681520 × 10^6

Prime Factorization of 20681520

Prime Factorization 2 × 2 × 2 × 2 × 17 × 3 × 685 × 37

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2585190
Product of the distinct prime numbers

The prime factorization of 20681520 is 2 × 2 × 2 × 2 × 17 × 3 × 685 × 37. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681520)

Multiplication

n×y
n×2 41363040
n×3 62044560
n×4 82726080
n×5 103407600

Division

n÷y
n÷2 10340760
n÷3 6893840
n÷3 5170380
n÷5 4136304

Exponentiation

ny
n2 427725269510400
n3 8.8460087158847E+21
n4 1.8294890617774E+29
n5 3.7836614620931E+36

Nth Root

y√n
2√n 4547.6939210989
3√n 274.49060521727
4√n 67.436591855601
5√n 29.048017052984

Divisors of 20681520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681520 can be divided by 80 positive divisors. The sum of these divisors (counting 20681520) is 1, the average is 0.0125.

Base conversion 20681520

Base System Value
2 Binary 1001110111001001100110000
3 Ternary 1102220201201020
4 Quaternary 1032321030300
5 Quinary 20243302040
6 Senary 2015135440
8 Octal 116711460
10 Decimal 20681520
12 Duodecimal 6b14580
16 Hexadecimal 13b9330
20 Vigesimal 6953g0
36 Base36 cb9yo

Cryptographic Hash Functions

md5 27dd29239bd5b81fde368bef6a4a63bf
sha1 f7b9095b1340c88a1ef46164e3885aaead53252f
sha256 697fa4f830d98c562b0657b3d14fd42c17d939b680cc2509fcd853507c135165
sha512 86e434cdf26a7a8a369bb14cbecf2675ba648046c78a8b5aaa244ab6d3b83739a6fbaf34cf449469cb73cc9c63ec4de6aa617f5b2e675dd6fee464aa96ef444a
ripemd-160 b597da06093f313d4abe4a086861549f65755abd

20681520 as geometric shapes

Circle

Radius = n
Diameter 41363040
Circumference 129945822.59414
Area 1.3437385644486E+15

Sphere

Radius = n
Volume 3.7054074660553E+22
Surface area 5.3749542577943E+15
Circumference 129945822.59414

Square

Length = n
Perimeter 82726080
Area 427725269510400
Diagonal 29248086.07449

Cube

Length = n
Surface area 2566351617062400
Volume 8.8460087158847E+21
Space diagonal 35821443.417752

Equilateral Triangle

Length = n
Perimeter 62044560
Area 1.8521047461828E+14
Altitude 17910721.708876

Triangular Pyramid

Length = n
Surface area 1.8521047461828E+14
Volume 1.0425121249062E+21
Height 9749362.0248301