20808868 (number)

20808868 is an even 8-digits composite number following 20808867 and preceding 20808869. In scientific notation, it is written as 2.0808868 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10341800 positive integers (up to 20808868) that are relatively prime to 20808868.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand eight hundred sixty-eight

Notation

Scientific notation 2.0808868 × 10^7
Engineering notation 2.0808868 × 10^6

Prime Factorization of 20808868

Prime Factorization 2 × 2 × 167 × 31151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10404434
Product of the distinct prime numbers

The prime factorization of 20808868 is 2 × 2 × 167 × 31151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 77, 49, 353, 335, 971, 7296, 19730, 4306, 747846, 765684, 4252748, 9704235, 50456679, 67431815, 433827758, 242308828, 8520746247, 3764722953

Basic calculations (n = 20808868)

Multiplication

n×y
n×2 41617736
n×3 62426604
n×4 83235472
n×5 104044340

Division

n÷y
n÷2 10404434
n÷3 6936289.3333333
n÷3 5202217
n÷5 4161773.6

Exponentiation

ny
n2 433008987441424
n3 9.0104268624823E+21
n4 1.8749678320505E+29
n5 3.9015958121384E+36

Nth Root

y√n
2√n 4561.6738156076
3√n 275.05285154993
4√n 67.540164462397
5√n 29.083702332755

Divisors of 20808868

1, 2, 4, 167, 334, 668, 31151, 62302, 124604, 5202217, 10404434, 20808868

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808868 can be divided by 12 positive divisors. The sum of these divisors (counting 20808868) is 1, the average is 0.083333333333333.

Base conversion 20808868

Base System Value
2 Binary 1001111011000010010100100
3 Ternary 1110011012101211
4 Quaternary 1033120102210
5 Quinary 20311340433
6 Senary 2022001204
8 Octal 117302244
10 Decimal 20808868
12 Duodecimal 6b76204
16 Hexadecimal 13d84a4
20 Vigesimal 6a1238
36 Base36 ce084

Cryptographic Hash Functions

md5 48045fda16cfcbb1029d40868aa7af7b
sha1 bd0ac94484b37bc43a500a676daefa414683aa0b
sha256 17a20c11242a7a73093e68d6c3a3f51697a8dd4bc7e1a0907eefe91786ebd34e
sha512 ee6eafadf24ea70263254c60e07afe57b7a8002558c171b6ad7a40c8ba6954668cd02d4efe2e774bbe12c15e86acf68f3927ebfebc9a49aa4dc12c268276c13c
ripemd-160 3f13452f801623b9deaa9275a6efd3e86b7a3a3e

20808868 as geometric shapes

Circle

Radius = n
Diameter 41617736
Circumference 130745973.67664
Area 1.3603378538843E+15

Sphere

Radius = n
Volume 3.774278778251E+22
Surface area 5.4413514155373E+15
Circumference 130745973.67664

Square

Length = n
Perimeter 83235472
Area 433008987441424
Diagonal 29428183.343232

Cube

Length = n
Surface area 2598053924648544
Volume 9.0104268624823E+21
Space diagonal 36042016.623994

Equilateral Triangle

Length = n
Perimeter 62426604
Area 1.8749839159563E+14
Altitude 18021008.311997

Triangular Pyramid

Length = n
Surface area 1.8749839159563E+14
Volume 1.0618889893078E+21
Height 9809394.4477438