20687499 (number)

20687499 is an odd 8-digits composite number following 20687498 and preceding 20687500. In scientific notation, it is written as 2.0687499 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 11821392 positive integers (up to 20687499) that are relatively prime to 20687499.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand four hundred ninety-nine

Notation

Scientific notation 2.0687499 × 10^7
Engineering notation 2.0687499 × 10^6

Prime Factorization of 20687499

Prime Factorization 63 × 328373

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20687499
Product of the distinct prime numbers

The prime factorization of 20687499 is 63 × 328373. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687499)

Multiplication

n×y
n×2 41374998
n×3 62062497
n×4 82749996
n×5 103437495

Division

n÷y
n÷2 10343749.5
n÷3 6895833
n÷3 5171874.75
n÷5 4137499.8

Exponentiation

ny
n2 427972614875001
n3 8.853683042254E+21
n4 1.8316055908295E+29
n5 3.7891338828679E+36

Nth Root

y√n
2√n 4548.3512397351
3√n 274.51705429193
4√n 67.441465284609
5√n 29.049696407436

Divisors of 20687499

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687498
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687499 can be divided by 4 positive divisors. The sum of these divisors (counting 20687499) is 1, the average is 0.25.

Base conversion 20687499

Base System Value
2 Binary 1001110111010101010001011
3 Ternary 1102221000220200
4 Quaternary 1032322222023
5 Quinary 20243444444
6 Senary 2015223243
8 Octal 116725213
10 Decimal 20687499
12 Duodecimal 6b17b23
16 Hexadecimal 13baa8b
20 Vigesimal 695iej
36 Base36 cbekr

Cryptographic Hash Functions

md5 326926c4b86da15211f52f3f4cf38911
sha1 f4305c9a460257e28be5af6224cf2a51b69a2d2f
sha256 3ffe52c3068d88e938b3ca698aa575d4ab94f0bc6954616745a0214a8765f62a
sha512 bb53b273dc78c2018ca77a2d0e7b59d3bbeb3f683949d4415900d7577ae7539bdc1aaeebdf7049a98ec5e9751eaa4561c16b9c211eb69aeee7917662d6619473
ripemd-160 37ff5c0c68412894f9690ddbb5889a37732e4216

20687499 as geometric shapes

Circle

Radius = n
Diameter 41374998
Circumference 129983389.75909
Area 1.3445156228289E+15

Sphere

Radius = n
Volume 3.7086220803677E+22
Surface area 5.3780624913157E+15
Circumference 129983389.75909

Square

Length = n
Perimeter 82749996
Area 427972614875001
Diagonal 29256541.65738

Cube

Length = n
Surface area 2567835689250006
Volume 8.853683042254E+21
Space diagonal 35831799.34953

Equilateral Triangle

Length = n
Perimeter 62062497
Area 1.853175783029E+14
Altitude 17915899.674765

Triangular Pyramid

Length = n
Surface area 1.853175783029E+14
Volume 1.0434165529424E+21
Height 9752180.5524599