20105481 is an odd 8-digits composite number following 20105480
and preceding 20105482 . In scientific notation, it is written as 2.0105481 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 12038400 positive integers (up to 20105481) that are relatively prime to 20105481.
20105481 has 24 divisors, whose sum is 29821792
The reverse of 20105481 is 18450102
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred five thousand four hundred eighty-one
Scientific notation
2.0105481 × 10^7
Engineering notation
2.0105481 × 10^6
Prime Factorization
11 × 3 × 11 × 571 × 97
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1827771
Product of the distinct prime numbers
The prime factorization of 20105481 is 11 × 3 × 11 × 571 × 97.
Since it has a total of 5 prime factors.
1 , 9 , 89 , 56 , 133 , 903 , 493 , 5795 , 80440 , 48411 , 953062 , 80793 , 439156 , 7220215 , 77780379 , 92824948 , 831967243 , 349332803 , 9946895445 , 3426181216
n×2
40210962
n×3
60316443
n×4
80421924
n×5
100527405
n÷2
10052740.5
n÷3
6701827
n÷3
5026370.25
n÷5
4021096.2
n2
404230366241361
n3
8.1272459480887E+21
n4
1.6340218899162E+29
n5
3.2852796061295E+36
2 √n
4483.9135807908
3 √n
271.91812432594
4 √n
66.962030889085
5 √n
28.884369599022
1 , 3 , 11 , 33 , 97 , 121 , 291 , 363 , 571 , 1067 , 1713 , 3201 , 6281 , 11737 , 18843 , 35211 , 55387 , 69091 , 166161 , 207273 , 609257 , 1827771 , 6701827 , 20105481
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
-20105480
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 20105481 can be divided by 24 positive divisors.
The sum of these divisors (counting 20105481) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100101100100100001001
3
Ternary
1101211110112110
4
Quaternary
1030230210021
5
Quinary
20121333411
6
Senary
1554532533
8
Octal
114544411
10
Decimal
20105481
12
Duodecimal
6897149
16
Hexadecimal
132c909
20
Vigesimal
65d3e1
36
Base36
byxhl
md5
1965c5d945b1b200299e783c0a8f9fa4
sha1
f257db580f289407b001576f51a38235addc4741
sha256
0fa1883c84d298a8291a0b63b86fd33750b90d1400f13d2a2ecf75c50c413fea
sha512
d77c0774764f17e446682f4bff8518759987c65135c4a0b77004dbcbffdd81783e2fb3d148634a4ac7d643ed7a86b549af5eb9b8149f2695a9c0de34e59f12b7
ripemd-160
41f40a713460e222948120b9f783da60281dcf9c
Diameter
40210962
Circumference
126326462.81298
Area
1.2699271489418E+15
Volume
3.4043328219244E+22
Surface area
5.0797085957671E+15
Circumference
126326462.81298
Perimeter
80421924
Area
404230366241361
Diagonal
28433443.908235
Surface area
2425382197448166
Volume
8.1272459480887E+21
Space diagonal
34823714.602611
Perimeter
60316443
Area
1.7503688307305E+14
Altitude
17411857.301305
Surface area
1.7503688307305E+14
Volume
9.578051203774E+20
Height
9477814.6360782