20485894 is an even 8-digits composite number following 20485893
and preceding 20485895 . In scientific notation, it is written as 2.0485894 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors.
There are 8482080 positive integers (up to 20485894) that are relatively prime to 20485894.
20485894 has 32 divisors, whose sum is 36578304
The reverse of 20485894 is 49858402
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million four hundred eighty-five thousand eight hundred ninety-four
Scientific notation
2.0485894 × 10^7
Engineering notation
2.0485894 × 10^6
Prime Factorization
2 × 11 × 83 × 13 × 863
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20485894
Product of the distinct prime numbers
The prime factorization of 20485894 is 2 × 11 × 83 × 13 × 863.
Since it has a total of 5 prime factors.
5 , 9 , 11 , 15 , 351 , 930 , 3294 , 9991 , 1476 , 57645 , 7950 , 390529 , 8627226 , 8086576 , 93385651 , 23436253 , 691194917 , 326988 , 1360935841 , 7019574905
n×2
40971788
n×3
61457682
n×4
81943576
n×5
102429470
n÷2
10242947
n÷3
6828631.3333333
n÷3
5121473.5
n÷5
4097178.8
n2
419671852979236
n3
8.5973530949162E+21
n4
1.7612446418303E+29
n5
3.6080671040603E+36
2 √n
4526.1345538992
3 √n
273.62239530039
4 √n
67.276552779547
5 √n
28.992855046975
1 , 2 , 11 , 13 , 22 , 26 , 83 , 143 , 166 , 286 , 863 , 913 , 1079 , 1726 , 1826 , 2158 , 9493 , 11219 , 11869 , 18986 , 22438 , 23738 , 71629 , 123409 , 143258 , 246818 , 787919 , 931177 , 1575838 , 1862354 , 10242947 , 20485894
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20485893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20485894 can be divided by 32 positive divisors.
The sum of these divisors (counting 20485894) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110001001011100000110
3
Ternary
1102112210100211
4
Quaternary
1032021130012
5
Quinary
20221022034
6
Senary
2011030034
8
Octal
116113406
10
Decimal
20485894
12
Duodecimal
6a3b31a
16
Hexadecimal
1389706
20
Vigesimal
680eee
36
Base36
c730m
md5
6e1da11af347ead8486941a5d6269906
sha1
4e51645dd55afabaa993f4ff0f9e193b955e4671
sha256
6cac1573518fd4d30b13431183dfd6a4b8bd23ce090be7b5bfe024d4fdcf245d
sha512
8c0d5ef81ba9939440862ae15c763334ea6fd4ddede1b607a7457d488cbb341ea2b12739abe1e9c6e4148b685a1834465871e143f63b740344fe433bb30431c9
ripemd-160
acfa592ae988495c855c124ff96514894efcd8d5
Diameter
40971788
Circumference
128716668.18524
Area
1.318438010238E+15
Volume
3.6012508431075E+22
Surface area
5.2737520409519E+15
Circumference
128716668.18524
Perimeter
81943576
Area
419671852979236
Diagonal
28971429.132138
Surface area
2518031117875416
Volume
8.5973530949162E+21
Space diagonal
35482609.24647
Perimeter
61457682
Area
1.8172324296665E+14
Altitude
17741304.623235
Surface area
1.8172324296665E+14
Volume
1.0132077789451E+21
Height
9657143.0440459