20081868 (number)

20081868 is an even 8-digits composite number following 20081867 and preceding 20081869. In scientific notation, it is written as 2.0081868 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 6693952 positive integers (up to 20081868) that are relatively prime to 20081868.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081868 × 10^7
Engineering notation 2.0081868 × 10^6

Prime Factorization of 20081868

Prime Factorization 2 × 2 × 3 × 1673489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10040934
Product of the distinct prime numbers

The prime factorization of 20081868 is 2 × 2 × 3 × 1673489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081868)

Multiplication

n×y
n×2 40163736
n×3 60245604
n×4 80327472
n×5 100409340

Division

n÷y
n÷2 10040934
n÷3 6693956
n÷3 5020467
n÷5 4016373.6

Exponentiation

ny
n2 403281422369424
n3 8.098644290875E+21
n4 1.6263590562831E+29
n5 3.2660327888881E+36

Nth Root

y√n
2√n 4481.2797279349
3√n 271.8116306794
4√n 66.942361236626
5√n 28.877581726016

Divisors of 20081868

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 -20081867
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 20081868 can be divided by 12 positive divisors. The sum of these divisors (counting 20081868) is 1, the average is 0.083333333333333.

Base conversion 20081868

Base System Value
2 Binary 1001100100110110011001100
3 Ternary 1101210021010220
4 Quaternary 1030212303030
5 Quinary 20120104433
6 Senary 1554231340
8 Octal 114466314
10 Decimal 20081868
12 Duodecimal 6885550
16 Hexadecimal 1326ccc
20 Vigesimal 65a4d8
36 Base36 byf9o

Cryptographic Hash Functions

md5 4b326842c153319ae36ad21e1fdf9a1e
sha1 5a6cb8ae805cf8e102ea92eac52db2360befa4df
sha256 5d3930ea04dafb439c6d7f3d2f746b9c444dd6f3ca3b2f4eece3759e47fa1f0a
sha512 5af88130176973bb1651a0cc2a014a98b62fca67bc07e041978e668f0bda0507ee695b1bb02ad73f700c22aa0d050bee7207db6c219e37c5da998fb248d97da7
ripemd-160 3f699165ca27d74c19bb433590473e380d4691a0

20081868 as geometric shapes

Circle

Radius = n
Diameter 40163736
Circumference 126178097.95832
Area 1.266945953845E+15

Sphere

Radius = n
Volume 3.3923521877667E+22
Surface area 5.0677838153801E+15
Circumference 126178097.95832

Square

Length = n
Perimeter 80327472
Area 403281422369424
Diagonal 28400050.083386

Cube

Length = n
Surface area 2419688534216544
Volume 8.098644290875E+21
Space diagonal 34782815.686892

Equilateral Triangle

Length = n
Perimeter 60245604
Area 1.7462597832312E+14
Altitude 17391407.843446

Triangular Pyramid

Length = n
Surface area 1.7462597832312E+14
Volume 9.5443438274924E+20
Height 9466683.3611288