20807872 (number)

20807872 is an even 8-digits composite number following 20807871 and preceding 20807873. In scientific notation, it is written as 2.0807872 × 10^7. The sum of its digits is 34. It has a total of 8 prime factors and 28 positive divisors. There are 10160640 positive integers (up to 20807872) that are relatively prime to 20807872.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seven thousand eight hundred seventy-two

Notation

Scientific notation 2.0807872 × 10^7
Engineering notation 2.0807872 × 10^6

Prime Factorization of 20807872

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 43 × 7561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 650246
Product of the distinct prime numbers

The prime factorization of 20807872 is 2 × 2 × 2 × 2 × 2 × 2 × 43 × 7561. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 2, 90, 51, 705, 631, 9560, 5798, 68878, 43085, 526859, 613603, 491648, 6748681, 819194, 73249126, 7507520, 843851065, 4346966457, 9864327144

Basic calculations (n = 20807872)

Multiplication

n×y
n×2 41615744
n×3 62423616
n×4 83231488
n×5 104039360

Division

n÷y
n÷2 10403936
n÷3 6935957.3333333
n÷3 5201968
n÷5 4161574.4

Exponentiation

ny
n2 432967537168384
n3 9.009133093555E+21
n4 1.8746088824166E+29
n5 3.9006621675387E+36

Nth Root

y√n
2√n 4561.5646438475
3√n 275.04846308422
4√n 67.539356258759
5√n 29.083423913745

Divisors of 20807872

1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7561, 15122, 30244, 60488, 120976, 241952, 325123, 483904, 650246, 1300492, 2600984, 5201968, 10403936, 20807872

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20807871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20807872 can be divided by 28 positive divisors. The sum of these divisors (counting 20807872) is 1, the average is 0.035714285714286.

Base conversion 20807872

Base System Value
2 Binary 1001111011000000011000000
3 Ternary 1110011011000221
4 Quaternary 1033120003000
5 Quinary 20311322442
6 Senary 2021552424
8 Octal 117300300
10 Decimal 20807872
12 Duodecimal 6b75714
16 Hexadecimal 13d80c0
20 Vigesimal 6a0jdc
36 Base36 cdzgg

Cryptographic Hash Functions

md5 211e273619c2cde95b3218da263b0028
sha1 eb74d30747151c7dce1ff30043d3436ca3f40241
sha256 295f7ae242fa5c32dbe8f21b83efd71f4871d216522a849e41e03b37a3217d76
sha512 9ea196655e286293ff89e3114f00ae98338a04a86dee2ef004ae177f3cc2a6b2cb1a1e2d3cc497b6b57d6b48af7134887d6b27236c9357e2ff012e388d69df4d
ripemd-160 7c712ffe2bb50c136fd2fac35902c738f26ff555

20807872 as geometric shapes

Circle

Radius = n
Diameter 41615744
Circumference 130739715.62407
Area 1.3602076340111E+15

Sphere

Radius = n
Volume 3.77373684559E+22
Surface area 5.4408305360442E+15
Circumference 130739715.62407

Square

Length = n
Perimeter 83231488
Area 432967537168384
Diagonal 29426774.786523

Cube

Length = n
Surface area 2597805223010304
Volume 9.009133093555E+21
Space diagonal 36040291.50139

Equilateral Triangle

Length = n
Perimeter 62423616
Area 1.874804431009E+14
Altitude 18020145.750695

Triangular Pyramid

Length = n
Surface area 1.874804431009E+14
Volume 1.0617365171775E+21
Height 9808924.9288411