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.
20081868 has 12 divisors, whose sum is 46857720
The reverse of 20081868 is 86818002
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million eighty-one thousand eight hundred sixty-eight
Scientific notation
2.0081868 × 10^7
Engineering notation
2.0081868 × 10^6
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.
10 , 7 , 53 , 92 , 87 , 345 , 1128 , 1429 , 68049 , 23413 , 730403 , 134994 , 8021653 , 4959181 , 35587273 , 96427030 , 726261894 , 929293280 , 3933624520 , 4247944281
n×2
40163736
n×3
60245604
n×4
80327472
n×5
100409340
n÷2
10040934
n÷3
6693956
n÷3
5020467
n÷5
4016373.6
n2
403281422369424
n3
8.098644290875E+21
n4
1.6263590562831E+29
n5
3.2660327888881E+36
2 √n
4481.2797279349
3 √n
271.8116306794
4 √n
66.942361236626
5 √n
28.877581726016
1 , 2 , 3 , 4 , 6 , 12 , 1673489 , 3346978 , 5020467 , 6693956 , 10040934 , 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
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
md5
4b326842c153319ae36ad21e1fdf9a1e
sha1
5a6cb8ae805cf8e102ea92eac52db2360befa4df
sha256
5d3930ea04dafb439c6d7f3d2f746b9c444dd6f3ca3b2f4eece3759e47fa1f0a
sha512
5af88130176973bb1651a0cc2a014a98b62fca67bc07e041978e668f0bda0507ee695b1bb02ad73f700c22aa0d050bee7207db6c219e37c5da998fb248d97da7
ripemd-160
3f699165ca27d74c19bb433590473e380d4691a0
Diameter
40163736
Circumference
126178097.95832
Area
1.266945953845E+15
Volume
3.3923521877667E+22
Surface area
5.0677838153801E+15
Circumference
126178097.95832
Perimeter
80327472
Area
403281422369424
Diagonal
28400050.083386
Surface area
2419688534216544
Volume
8.098644290875E+21
Space diagonal
34782815.686892
Perimeter
60245604
Area
1.7462597832312E+14
Altitude
17391407.843446
Surface area
1.7462597832312E+14
Volume
9.5443438274924E+20
Height
9466683.3611288