20121188 is an even 8-digits composite number following 20121187
and preceding 20121189 . In scientific notation, it is written as 2.0121188 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10049952 positive integers (up to 20121188) that are relatively prime to 20121188.
20121188 has 12 divisors, whose sum is 35249340
The reverse of 20121188 is 88112102
Previous prime number is 4093
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-one thousand one hundred eighty-eight
Scientific notation
2.0121188 × 10^7
Engineering notation
2.0121188 × 10^6
Prime Factorization
2 × 2 × 4093 × 1229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10060594
Product of the distinct prime numbers
The prime factorization of 20121188 is 2 × 2 × 4093 × 1229.
Since it has a total of 4 prime factors.
1 , 4 , 54 , 20 , 962 , 349 , 9984 , 583 , 45599 , 77166 , 452488 , 531647 , 1735243 , 7008172 , 62449831 , 39576056 , 357761815 , 421131816 , 105371376 , 8274243357
n×2
40242376
n×3
60363564
n×4
80484752
n×5
100605940
n÷2
10060594
n÷3
6707062.6666667
n÷3
5030297
n÷5
4024237.6
n2
404862206531344
n3
8.146308571712E+21
n4
1.6391340627743E+29
n5
3.2981324634285E+36
2 √n
4485.6647222012
3 √n
271.98891607083
4 √n
66.975105242181
5 √n
28.888881255185
1 , 2 , 4 , 1229 , 2458 , 4093 , 4916 , 8186 , 16372 , 5030297 , 10060594 , 20121188
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
-20121187
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 20121188 can be divided by 12 positive divisors.
The sum of these divisors (counting 20121188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110000011001100100
3
Ternary
1101212021002012
4
Quaternary
1030300121210
5
Quinary
20122334223
6
Senary
1555133352
8
Octal
114603144
10
Decimal
20121188
12
Duodecimal
68a4258
16
Hexadecimal
1330664
20
Vigesimal
65f2j8
36
Base36
bz9lw
md5
78031d006839b488d5c3f02fe39d0fd5
sha1
b6410bd35372a21f71ff331b6a6609be81409229
sha256
f1ea48a993f87eab07a986591f82c9c5c2ce7618280418326bdfe1057540dea8
sha512
f13b3cc5be39baee8ec5764cbe2e01fbfc06803c117f324953b656d007bd41a4f05f1ca54167012cc04bd4733190c48e1d9d191ffdb647ff1370a25a55068b4a
ripemd-160
00ea598f79c3c41f468dfc2accc084eaee524b86
Diameter
40242376
Circumference
126425152.8046
Area
1.271912133755E+15
Volume
3.4123177550355E+22
Surface area
5.0876485350201E+15
Circumference
126425152.8046
Perimeter
80484752
Area
404862206531344
Diagonal
28455656.960659
Surface area
2429173239188064
Volume
8.146308571712E+21
Space diagonal
34850919.924645
Perimeter
60363564
Area
1.7531047794418E+14
Altitude
17425459.962323
Surface area
1.7531047794418E+14
Volume
9.6005167211594E+20
Height
9485218.9868863