20121311 is an odd 8-digits composite number following 20121310
and preceding 20121312 . In scientific notation, it is written as 2.0121311 × 10^7.
The sum of its digits is 11. It has a total of 3 prime factors and 8 positive divisors.
There are 16877952 positive integers (up to 20121311) that are relatively prime to 20121311.
20121311 has 8 divisors, whose sum is 20971200
The reverse of 20121311 is 11312102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2
Name
twenty million one hundred twenty-one thousand three hundred eleven
Scientific notation
2.0121311 × 10^7
Engineering notation
2.0121311 × 10^6
Prime Factorization
49 × 47 × 8737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121311
Product of the distinct prime numbers
The prime factorization of 20121311 is 49 × 47 × 8737.
Since it has a total of 3 prime factors.
8 , 7 , 38 , 26 , 966 , 901 , 4781 , 5099 , 68455 , 93397 , 390151 , 925242 , 8656944 , 1177973 , 81981383 , 11346845 , 852108974 , 543271157 , 2446447175 , 2548376645
n×2
40242622
n×3
60363933
n×4
80485244
n×5
100606555
n÷2
10060655.5
n÷3
6707103.6666667
n÷3
5030327.75
n÷5
4024262.2
n2
404867156358721
n3
8.1464579667795E+21
n4
1.63917414298E+29
n5
3.2982332714058E+36
2 √n
4485.6784325228
3 √n
271.98947028874
4 √n
66.975207595966
5 √n
28.888916574408
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
-20121310
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 20121311 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121311) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011011011111
3
Ternary
1101212021020202
4
Quaternary
1030300123133
5
Quinary
20122340221
6
Senary
1555134115
8
Octal
114603337
10
Decimal
20121311
12
Duodecimal
68a433b
16
Hexadecimal
13306df
20
Vigesimal
65f35b
36
Base36
bz9pb
md5
08f05dd600cda769c4d0ae2cf599bbc4
sha1
a5065b32ed0fd3f719694836341f50c22550dd5f
sha256
d6c115261aa24939e8230280fb84ab2dbec4c19b42e7f3df34afd07f68dee4eb
sha512
b0464c0c75c9f2b0b20093cb0a70a2691693c8337efb3ba30eeaa9e37349892163594df9fed7a78b4d00d14fdbd90081dbff3d782ddeb905030a6ab3c89a7629
ripemd-160
070b048f0ff7a0718af6b45bf82442816038c91c
Diameter
40242622
Circumference
126425925.63639
Area
1.2719276840963E+15
Volume
3.412380333495E+22
Surface area
5.0877107363854E+15
Circumference
126425925.63639
Perimeter
80485244
Area
404867156358721
Diagonal
28455830.908927
Surface area
2429202938152326
Volume
8.1464579667795E+21
Space diagonal
34851132.966895
Perimeter
60363933
Area
1.7531262128231E+14
Altitude
17425566.483447
Surface area
1.7531262128231E+14
Volume
9.6006927849349E+20
Height
9485276.9696423