20121086 is an even 8-digits composite number following 20121085
and preceding 20121087 . In scientific notation, it is written as 2.0121086 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 10007680 positive integers (up to 20121086) that are relatively prime to 20121086.
20121086 has 8 divisors, whose sum is 30340224
The reverse of 20121086 is 68012102
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand eighty-six
Scientific notation
2.0121086 × 10^7
Engineering notation
2.0121086 × 10^6
Prime Factorization
2 × 191 × 52673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121086
Product of the distinct prime numbers
The prime factorization of 20121086 is 2 × 191 × 52673.
Since it has a total of 3 prime factors.
5 , 7 , 56 , 87 , 464 , 16 , 7108 , 559 , 98796 , 17246 , 292445 , 80824 , 480472 , 9601609 , 43453887 , 66001775 , 216781727 , 445374503 , 6389914537 , 2861761390
n×2
40242172
n×3
60363258
n×4
80484344
n×5
100605430
n÷2
10060543
n÷3
6707028.6666667
n÷3
5030271.5
n÷5
4024217.2
n2
404858101819396
n3
8.1461846845048E+21
n4
1.639100826088E+29
n5
3.2980488684389E+36
2 √n
4485.6533526344
3 √n
271.98845647377
4 √n
66.975020363075
5 √n
28.888851965941
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
-20121085
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 20121086 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121086) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000010111111110
3
Ternary
1101212020221102
4
Quaternary
1030300113332
5
Quinary
20122333321
6
Senary
1555133102
8
Octal
114602776
10
Decimal
20121086
12
Duodecimal
68a4192
16
Hexadecimal
13305fe
20
Vigesimal
65f2e6
36
Base36
bz9j2
md5
8102a8f43f0dd23b3733d861c13537da
sha1
b5c85c6a8a9230cc91946e97ba05688eccde1d26
sha256
3b94a81ec3bf95a6843b2794d157c7789170387a4cc816ad1baca645754191d9
sha512
0b4ed66728cb69fe80b91a993644ca80e3e861c9ab69940bf37365b54e70c3fb7110c010e30842eb72c05bb427a4af7a5ae2aca6557b183e65a7c1cf374593a5
ripemd-160
090eb8cc9c0c3a156f96fd255e136a8f1681cc72
Diameter
40242172
Circumference
126424511.9197
Area
1.2718992384221E+15
Volume
3.4122658612835E+22
Surface area
5.0875969536885E+15
Circumference
126424511.9197
Perimeter
80484344
Area
404858101819396
Diagonal
28455512.710875
Surface area
2429148610916376
Volume
8.1461846845048E+21
Space diagonal
34850743.255463
Perimeter
60363258
Area
1.7530870055177E+14
Altitude
17425371.627731
Surface area
1.7530870055177E+14
Volume
9.6003707186856E+20
Height
9485170.9036251