20120661 is an odd 8-digits composite number following 20120660
and preceding 20120662 . In scientific notation, it is written as 2.0120661 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 12111360 positive integers (up to 20120661) that are relatively prime to 20120661.
20120661 has 24 divisors, whose sum is 31921344
The reverse of 20120661 is 16602102
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty thousand six hundred sixty-one
Scientific notation
2.0120661 × 10^7
Engineering notation
2.0120661 × 10^6
Prime Factorization
3 × 3 × 11 × 167 × 1217
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6706887
Product of the distinct prime numbers
The prime factorization of 20120661 is 3 × 3 × 11 × 167 × 1217.
Since it has a total of 5 prime factors.
6 , 9 , 53 , 50 , 309 , 878 , 8822 , 7798 , 65499 , 37202 , 409927 , 832571 , 4210173 , 674795 , 8387641 , 63500248 , 870429676 , 455251702 , 2631370089 , 1699646154
n×2
40241322
n×3
60361983
n×4
80482644
n×5
100603305
n÷2
10060330.5
n÷3
6706887
n÷3
5030165.25
n÷5
4024132.2
n2
404840999076921
n3
8.145668501328E+21
n4
1.638962345336E+29
n5
3.297700574227E+36
2 √n
4485.6059791292
3 √n
271.98654146932
4 √n
66.974666696664
5 √n
28.888729926149
1 , 3 , 9 , 11 , 33 , 99 , 167 , 501 , 1217 , 1503 , 1837 , 3651 , 5511 , 10953 , 13387 , 16533 , 40161 , 120483 , 203239 , 609717 , 1829151 , 2235629 , 6706887 , 20120661
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20120660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20120661 can be divided by 24 positive divisors.
The sum of these divisors (counting 20120661) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000010001010101
3
Ternary
1101212020100200
4
Quaternary
1030300101111
5
Quinary
20122330121
6
Senary
1555131113
8
Octal
114602125
10
Decimal
20120661
12
Duodecimal
68a3a99
16
Hexadecimal
1330455
20
Vigesimal
65f1d1
36
Base36
bz979
md5
8207f064bebeb862ed8acbdbcd64272f
sha1
d0fe5b7ddbffce44b3e1e2be0b140fd4f917e079
sha256
4aaf27cfe6e6b2bb21070abcb0f0e4ffff647bbcd74ca4b885dc8b0de77d5573
sha512
179de1240453c0f07c00b406abfb1894fa27835c280dcfdcc56afd2aca0015ffa3daff914b2bf18b514e02a1a809274bcce4f4cefc076f0671d30d83012b27aa
ripemd-160
23bb0831a7fc3103b32d35c9e32539152b3bbb7c
Diameter
40241322
Circumference
126421841.56594
Area
1.271845508572E+15
Volume
3.41204964298E+22
Surface area
5.087382034288E+15
Circumference
126421841.56594
Perimeter
80482644
Area
404840999076921
Diagonal
28454911.670111
Surface area
2429045994461526
Volume
8.145668501328E+21
Space diagonal
34850007.13387
Perimeter
60361983
Area
1.7530129484704E+14
Altitude
17425003.566935
Surface area
1.7530129484704E+14
Volume
9.5997623909779E+20
Height
9484970.5567038