20687907 (number)

20687907 is an odd 8-digits composite number following 20687906 and preceding 20687908. In scientific notation, it is written as 2.0687907 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13791936 positive integers (up to 20687907) that are relatively prime to 20687907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687907 × 10^7
Engineering notation 2.0687907 × 10^6

Prime Factorization of 20687907

Prime Factorization 3 × 6895969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20687907
Product of the distinct prime numbers

The prime factorization of 20687907 is 3 × 6895969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 42, 13, 986, 250, 3168, 4380, 3031, 62347, 62719, 774826, 2386176, 1908395, 66322280, 62228741, 360866744, 617358522, 7845254179, 890608504

Basic calculations (n = 20687907)

Multiplication

n×y
n×2 41375814
n×3 62063721
n×4 82751628
n×5 103439535

Division

n÷y
n÷2 10343953.5
n÷3 6895969
n÷3 5171976.75
n÷5 4137581.4

Exponentiation

ny
n2 427989496040649
n3 8.8542068910658E+21
n4 1.8317500872113E+29
n5 3.7895075451469E+36

Nth Root

y√n
2√n 4548.3960909314
3√n 274.51885896024
4√n 67.441797803227
5√n 29.049810990476

Divisors of 20687907

1, 3, 6895969, 20687907

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 -20687906
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 20687907 can be divided by 4 positive divisors. The sum of these divisors (counting 20687907) is 1, the average is 0.25.

Base conversion 20687907

Base System Value
2 Binary 1001110111010110000100011
3 Ternary 1102221001110210
4 Quaternary 1032322300203
5 Quinary 20244003112
6 Senary 2015225203
8 Octal 116726043
10 Decimal 20687907
12 Duodecimal 6b18203
16 Hexadecimal 13bac23
20 Vigesimal 695jf7
36 Base36 cbew3

Cryptographic Hash Functions

md5 d81400a70109e93b42aa110b14dca0f7
sha1 1855d985269d1b8c3e877d7bf6dfcfb02f088d7c
sha256 20c3a97a38f2b6a5277a25d0c325319e50ef4f5c9c723b4441620a52b046b2b8
sha512 758f5bffcaa9c3d5fa4086b7ea83c6171c4f71e1c710472fc642383abf163026e557ad178deb6d4485247221bc769ba14b9ea16c789bb5daded812da059a33e4
ripemd-160 f7417f07589061debb483cb40bcd22f7f370abc4

20687907 as geometric shapes

Circle

Radius = n
Diameter 41375814
Circumference 129985953.2987
Area 1.3445686565749E+15

Sphere

Radius = n
Volume 3.7088415096449E+22
Surface area 5.3782746262996E+15
Circumference 129985953.2987

Square

Length = n
Perimeter 82751628
Area 427989496040649
Diagonal 29257118.656513

Cube

Length = n
Surface area 2567936976243894
Volume 8.8542068910658E+21
Space diagonal 35832506.02626

Equilateral Triangle

Length = n
Perimeter 62063721
Area 1.8532488806205E+14
Altitude 17916253.01313

Triangular Pyramid

Length = n
Surface area 1.8532488806205E+14
Volume 1.0434782891169E+21
Height 9752372.8855044