20687500 (number)

20687500 is an even 8-digits composite number following 20687499 and preceding 20687501. In scientific notation, it is written as 2.0687500 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 42 positive divisors. There are 8250000 positive integers (up to 20687500) that are relatively prime to 20687500.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand five hundred

Notation

Scientific notation 2.0687500 × 10^7
Engineering notation 2.0687500 × 10^6

Prime Factorization of 20687500

Prime Factorization 2 × 2 × 5 × 5 × 25 × 25 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 82750
Product of the distinct prime numbers

The prime factorization of 20687500 is 2 × 2 × 5 × 5 × 25 × 25 × 331. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 10, 85, 93, 199, 492, 1040, 5089, 14726, 98664, 829765, 919705, 8855760, 5048676, 2625342, 73549106, 734201009, 319146225, 6400103978, 329278914

Basic calculations (n = 20687500)

Multiplication

n×y
n×2 41375000
n×3 62062500
n×4 82750000
n×5 103437500

Division

n÷y
n÷2 10343750
n÷3 6895833.3333333
n÷3 5171875
n÷5 4137500

Exponentiation

ny
n2 427972656250000
n3 8.8536843261719E+21
n4 1.8316059449768E+29
n5 3.7891347986708E+36

Nth Root

y√n
2√n 4548.3513496651
3√n 274.51705871516
4√n 67.441466099612
5√n 29.049696688279

Divisors of 20687500

1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 331, 500, 625, 662, 1250, 1324, 1655, 2500, 3125, 3310, 6250, 6620, 8275, 12500, 15625, 16550, 31250, 33100, 41375, 62500, 82750, 165500, 206875, 413750, 827500, 1034375, 2068750, 4137500, 5171875, 10343750, 20687500

42 divisors

τ Total Divisors 42
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687499
Sum of the proper positive divisors of n
A Arithmetic Mean 0.023809523809524
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 42
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687500 can be divided by 42 positive divisors. The sum of these divisors (counting 20687500) is 1, the average is 0.023809523809524.

Base conversion 20687500

Base System Value
2 Binary 1001110111010101010001100
3 Ternary 1102221000220201
4 Quaternary 1032322222030
5 Quinary 20244000000
6 Senary 2015223244
8 Octal 116725214
10 Decimal 20687500
12 Duodecimal 6b17b24
16 Hexadecimal 13baa8c
20 Vigesimal 695if0
36 Base36 cbeks

Cryptographic Hash Functions

md5 46c29032e4c23fcb8b5ff935a4d57820
sha1 dd815aa47e12098aa472eb0eafe921c776c1a43b
sha256 1b989faa65207ac916bb42f7d5d5a23fda91b5b0e16417652ede717f785987e8
sha512 24b6d837a24c25f96e4add4a303192fdb46b9d6103b2650c62af8d5b67914a43e2b674794046ffc7807c4a3abfc35452b7dfa04ddbc92ef65bb7a5bc9b08b494
ripemd-160 be17f71ba2be3644cf7a849f5e5fafc5677cc05c

20687500 as geometric shapes

Circle

Radius = n
Diameter 41375000
Circumference 129983396.04228
Area 1.3445157528123E+15

Sphere

Radius = n
Volume 3.708622618174E+22
Surface area 5.3780630112492E+15
Circumference 129983396.04228

Square

Length = n
Perimeter 82750000
Area 427972656250000
Diagonal 29256543.071593

Cube

Length = n
Surface area 2567835937500000
Volume 8.8536843261719E+21
Space diagonal 35831801.081581

Equilateral Triangle

Length = n
Perimeter 62062500
Area 1.853175962188E+14
Altitude 17915900.540791

Triangular Pyramid

Length = n
Surface area 1.853175962188E+14
Volume 1.0434167042535E+21
Height 9752181.0238645