20011388 is an even 8-digits composite number following 20011387
and preceding 20011389 . In scientific notation, it is written as 2.0011388 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 6 positive divisors.
There are 10005692 positive integers (up to 20011388) that are relatively prime to 20011388.
20011388 has 6 divisors, whose sum is 35019936
The reverse of 20011388 is 88311002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eleven thousand three hundred eighty-eight
Scientific notation
2.0011388 × 10^7
Engineering notation
2.0011388 × 10^6
Prime Factorization
2 × 2 × 5002847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10005694
Product of the distinct prime numbers
The prime factorization of 20011388 is 2 × 2 × 5002847.
Since it has a total of 3 prime factors.
3 , 8 , 81 , 30 , 669 , 729 , 3721 , 5793 , 92871 , 44139 , 89197 , 636229 , 3449422 , 5447569 , 18801281 , 75454922 , 905220738 , 430538458 , 9324361598 , 1422601598
n×2
40022776
n×3
60034164
n×4
80045552
n×5
100056940
n÷2
10005694
n÷3
6670462.6666667
n÷3
5002847
n÷5
4002277.6
n2
400455649686544
n3
8.0136733826695E+21
n4
1.6036472736587E+29
n5
3.2091207808327E+36
2 √n
4473.4089909151
3 √n
271.49327153052
4 √n
66.883547983903
5 √n
28.85728326331
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20011387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20011388 can be divided by 6 positive divisors.
The sum of these divisors (counting 20011388) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100010101100101111100
3
Ternary
1101122200110112
4
Quaternary
1030111211330
5
Quinary
20110331023
6
Senary
1552525152
8
Octal
114254574
10
Decimal
20011388
12
Duodecimal
68507b8
16
Hexadecimal
131597c
20
Vigesimal
651898
36
Base36
bwwvw
md5
5aeee3635deed7213200dd6c30b58ef5
sha1
f3a9b6eab9e91de030ff828bc6c9117f21ec8041
sha256
838756c6bca15e13d16fac67ce6f5854f224b697b543a80527c4e19a2a31470d
sha512
e69ecbc7b9021f83afbaeee3f7f67b4e49790318b496702bb2748f4cfb17ababf1bb521d08b69c4ebbc4f2a149140b1b4a66027d128e0aae3f2b6dce879712ec
ripemd-160
844e6a419ac2f74218eeccf39532f8f3561f2032
Diameter
40022776
Circumference
125735259.05787
Area
1.2580685271438E+15
Volume
3.3567596569683E+22
Surface area
5.0322741085751E+15
Circumference
125735259.05787
Perimeter
80045552
Area
400455649686544
Diagonal
28300376.31151
Surface area
2402733898119264
Volume
8.0136733826695E+21
Space diagonal
34660740.745974
Perimeter
60034164
Area
1.7340238285877E+14
Altitude
17330370.372987
Surface area
1.7340238285877E+14
Volume
9.4442046518329E+20
Height
9433458.7705034