20122881 is an odd 8-digits composite number following 20122880
and preceding 20122882 . In scientific notation, it is written as 2.0122881 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 12467520 positive integers (up to 20122881) that are relatively prime to 20122881.
20122881 has 16 divisors, whose sum is 28779840
The reverse of 20122881 is 18822102
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-two thousand eight hundred eighty-one
Scientific notation
2.0122881 × 10^7
Engineering notation
2.0122881 × 10^6
Prime Factorization
3 × 19 × 53 × 6661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20122881
Product of the distinct prime numbers
The prime factorization of 20122881 is 3 × 19 × 53 × 6661.
Since it has a total of 4 prime factors.
6 , 9 , 76 , 91 , 729 , 439 , 6219 , 5947 , 70170 , 39670 , 97840 , 413019 , 6043713 , 6802129 , 79949639 , 41719826 , 723762577 , 832923368 , 2360131603 , 4902626082
n×2
40245762
n×3
60368643
n×4
80491524
n×5
100614405
n÷2
10061440.5
n÷3
6707627
n÷3
5030720.25
n÷5
4024576.2
n2
404930339740161
n3
8.1483650398808E+21
n4
1.6396858004208E+29
n5
3.2995202239258E+36
2 √n
4485.853430508
3 √n
271.99654425396
4 √n
66.976514021767
5 √n
28.889367381848
1 , 3 , 19 , 53 , 57 , 159 , 1007 , 3021 , 6661 , 19983 , 126559 , 353033 , 379677 , 1059099 , 6707627 , 20122881
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20122880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20122881 can be divided by 16 positive divisors.
The sum of these divisors (counting 20122881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000110100000001
3
Ternary
1101212100101220
4
Quaternary
1030300310001
5
Quinary
20122413011
6
Senary
1555145253
8
Octal
114606401
10
Decimal
20122881
12
Duodecimal
68a5229
16
Hexadecimal
1330d01
20
Vigesimal
65f741
36
Base36
bzawx
md5
43a5ef7999ce26812718010c4f32fa25
sha1
2f5c8603fff8032a2b29326175d76c705e23f441
sha256
089bf0c7877fc68fdeaf2b02b39b91f2eafc25c4de314e61ea9e119dee6cbf3c
sha512
93e948b049bbd136d5b966b98ee9716297a94279bdf49673c8e55228f2fae59ac4136ac4939d2992a83afe85d0bf71590cdf58af9ad5fc459eb54b304ccc1be5
ripemd-160
ffadd88f2311577107c15a1d064617a898736b88
Diameter
40245762
Circumference
126435790.23732
Area
1.2721261805433E+15
Volume
3.4131791664077E+22
Surface area
5.0885047221732E+15
Circumference
126435790.23732
Perimeter
80491524
Area
404930339740161
Diagonal
28458051.22422
Surface area
2429582038440966
Volume
8.1483650398808E+21
Space diagonal
34853852.286662
Perimeter
60368643
Area
1.7533998048902E+14
Altitude
17426926.143331
Surface area
1.7533998048902E+14
Volume
9.6029402921385E+20
Height
9486017.07474