20121111 is an odd 8-digits composite number following 20121110
and preceding 20121112 . In scientific notation, it is written as 2.0121111 × 10^7.
The sum of its digits is 9. It has a total of 3 prime factors and 8 positive divisors.
There are 13335504 positive integers (up to 20121111) that are relatively prime to 20121111.
20121111 has 8 divisors, whose sum is 22487760
The reverse of 20121111 is 11112102
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 9
Digital Root 9
Name
twenty million one hundred twenty-one thousand one hundred eleven
Scientific notation
2.0121111 × 10^7
Engineering notation
2.0121111 × 10^6
Prime Factorization
9 × 173 × 12923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121111
Product of the distinct prime numbers
The prime factorization of 20121111 is 9 × 173 × 12923.
Since it has a total of 3 prime factors.
8 , 1 , 10 , 24 , 210 , 554 , 782 , 8540 , 87503 , 58877 , 784853 , 551588 , 7883295 , 3382035 , 11835303 , 6694869 , 728463 , 649668649 , 8956734873 , 8937466639
n×2
40242222
n×3
60363333
n×4
80484444
n×5
100605555
n÷2
10060555.5
n÷3
6707037
n÷3
5030277.75
n÷5
4024222.2
n2
404859107874321
n3
8.1462150489002E+21
n4
1.6391089722879E+29
n5
3.2980693572501E+36
2 √n
4485.6561392956
3 √n
271.98856912025
4 √n
66.975041166808
5 √n
28.888859144688
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121110
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121111 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121111) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011000010111
3
Ternary
1101212020222100
4
Quaternary
1030300120113
5
Quinary
20122333421
6
Senary
1555133143
8
Octal
114603027
10
Decimal
20121111
12
Duodecimal
68a41b3
16
Hexadecimal
1330617
20
Vigesimal
65f2fb
36
Base36
bz9jr
md5
c3e4998071a70f488a97ac4a9ca02a9f
sha1
b6c9dc7c418b393a8aa0fbfdffefb9386a3538db
sha256
6107d2c7b074798928e87f4ef9c43908af42dc44bd04cbff199a66b27343b7ed
sha512
10574668517ca60bf2bc059cb93134ff794bcac0cc70da0ec32fd1af75eaa835fd152362882cb2f2f37a1ede962df7cdba97bbfa926b9649582430fcee8ba43f
ripemd-160
211b8f1f5b2d7401c2e3299206588e960afc1069
Diameter
40242222
Circumference
126424668.99933
Area
1.2719023990369E+15
Volume
3.4122785802917E+22
Surface area
5.0876095961475E+15
Circumference
126424668.99933
Perimeter
80484444
Area
404859107874321
Diagonal
28455548.066214
Surface area
2429154647245926
Volume
8.1462150489002E+21
Space diagonal
34850786.556733
Perimeter
60363333
Area
1.7530913618633E+14
Altitude
17425393.278367
Surface area
1.7530913618633E+14
Volume
9.6004065034687E+20
Height
9485182.6887382