20808887 (number)

20808887 is an odd 8-digits composite number following 20808886 and preceding 20808888. In scientific notation, it is written as 2.0808887 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 18595960 positive integers (up to 20808887) that are relatively prime to 20808887.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand eight hundred eighty-seven

Notation

Scientific notation 2.0808887 × 10^7
Engineering notation 2.0808887 × 10^6

Prime Factorization of 20808887

Prime Factorization 11 × 59 × 32063

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20808887
Product of the distinct prime numbers

The prime factorization of 20808887 is 11 × 59 × 32063. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20808887)

Multiplication

n×y
n×2 41617774
n×3 62426661
n×4 83235548
n×5 104044435

Division

n÷y
n÷2 10404443.5
n÷3 6936295.6666667
n÷3 5202221.75
n÷5 4161777.4

Exponentiation

ny
n2 433009778178769
n3 9.0104515440171E+21
n4 1.8749746799843E+29
n5 3.9016136243654E+36

Nth Root

y√n
2√n 4561.675898176
3√n 275.05293526428
4√n 67.540179879654
5√n 29.083707643857

Divisors of 20808887

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808886
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808887 can be divided by 8 positive divisors. The sum of these divisors (counting 20808887) is 1, the average is 0.125.

Base conversion 20808887

Base System Value
2 Binary 1001111011000010010110111
3 Ternary 1110011012102112
4 Quaternary 1033120102313
5 Quinary 20311341022
6 Senary 2022001235
8 Octal 117302267
10 Decimal 20808887
12 Duodecimal 6b7621b
16 Hexadecimal 13d84b7
20 Vigesimal 6a1247
36 Base36 ce08n

Cryptographic Hash Functions

md5 e5fb41d18757c26d06fefeb9f8f40d8c
sha1 5057d18fcc4687bceca1f76e4e36bce4679a2f77
sha256 97ab6f442a2363a0e4c85544815695aa6e74fa350f2de7d704e8075ff6d813e0
sha512 f3b679c21eedf6f908d6795ab2839adb23f53f5f38cfca710aec0c86ed22b1c9b51cf7106616ed8fd42eee70545a8d334ee7fdd5b149a7bad3015a317b3b196c
ripemd-160 5fd2611f5e42e649a2e35e0597f803ae0fb2221d

20808887 as geometric shapes

Circle

Radius = n
Diameter 41617774
Circumference 130746093.05716
Area 1.360340338059E+15

Sphere

Radius = n
Volume 3.7742891168281E+22
Surface area 5.4413613522359E+15
Circumference 130746093.05716

Square

Length = n
Perimeter 83235548
Area 433009778178769
Diagonal 29428210.213289

Cube

Length = n
Surface area 2598058669072614
Volume 9.0104515440171E+21
Space diagonal 36042049.53296

Equilateral Triangle

Length = n
Perimeter 62426661
Area 1.8749873399494E+14
Altitude 18021024.76648

Triangular Pyramid

Length = n
Surface area 1.8749873399494E+14
Volume 1.0618918980545E+21
Height 9809403.4044297