20081442 is an even 8-digits composite number following 20081441
and preceding 20081443 . In scientific notation, it is written as 2.0081442 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6341472 positive integers (up to 20081442) that are relatively prime to 20081442.
20081442 has 16 divisors, whose sum is 42276960
The reverse of 20081442 is 24418002
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eighty-one thousand four hundred forty-two
Scientific notation
2.0081442 × 10^7
Engineering notation
2.0081442 × 10^6
Prime Factorization
2 × 3 × 19 × 176153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081442
Product of the distinct prime numbers
The prime factorization of 20081442 is 2 × 3 × 19 × 176153.
Since it has a total of 4 prime factors.
1 , 6 , 7 , 34 , 885 , 648 , 4165 , 8422 , 76199 , 18667 , 5923 , 557461 , 7395947 , 955073 , 65532342 , 35435305 , 865837927 , 304511770 , 7961778354 , 1851453304
n×2
40162884
n×3
60244326
n×4
80325768
n×5
100407210
n÷2
10040721
n÷3
6693814
n÷3
5020360.5
n÷5
4016288.4
n2
403264312799364
n3
8.0981289081503E+21
n4
1.6262210597754E+29
n5
3.2656863891059E+36
2 √n
4481.2321966174
3 √n
271.80970867073
4 √n
66.942006218946
5 √n
28.877459207989
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 176153 , 352306 , 528459 , 1056918 , 3346907 , 6693814 , 10040721 , 20081442
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081441
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081442 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081442) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110101100100010
3
Ternary
1101210020120010
4
Quaternary
1030212230202
5
Quinary
20120101232
6
Senary
1554225350
8
Octal
114465442
10
Decimal
20081442
12
Duodecimal
6885256
16
Hexadecimal
1326b22
20
Vigesimal
65a3c2
36
Base36
byexu
md5
f1ef9a94a4e662b5c9425d20470c835c
sha1
85cdf05e5073dfda7f242ac66f6667b6c34bca2c
sha256
6db111c4c5d59d0f758f670c8320e68823a753ea829f230d66512a3c857fdf7f
sha512
22a75cfb0c3f33651d19f13686030c1c87e1bbb9cae0e0026a195aa06ccc5e06a4c155eb11c0cb29a6704890a3490fbedc552f81313ae1f7069b20a1f43f9c64
ripemd-160
d8f63dc405d6915bb05cef07c1af990369bde51e
Diameter
40162884
Circumference
126175421.32138
Area
1.2668922025454E+15
Volume
3.3921363047557E+22
Surface area
5.0675688101817E+15
Circumference
126175421.32138
Perimeter
80325768
Area
403264312799364
Diagonal
28399447.628409
Surface area
2419585876796184
Volume
8.0981289081503E+21
Space diagonal
34782077.833248
Perimeter
60244326
Area
1.7461856966196E+14
Altitude
17391038.916624
Surface area
1.7461856966196E+14
Volume
9.5437364431265E+20
Height
9466482.5428029