20068985 is an odd 8-digits composite number following 20068984
and preceding 20068986 . In scientific notation, it is written as 2.0068985 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 15421248 positive integers (up to 20068985) that are relatively prime to 20068985.
20068985 has 16 divisors, whose sum is 25050816
The reverse of 20068985 is 58986002
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million sixty-eight thousand nine hundred eighty-five
Scientific notation
2.0068985 × 10^7
Engineering notation
2.0068985 × 10^6
Prime Factorization
5 × 37 × 83 × 1307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20068985
Product of the distinct prime numbers
The prime factorization of 20068985 is 5 × 37 × 83 × 1307.
Since it has a total of 4 prime factors.
3 , 6 , 86 , 43 , 220 , 145 , 3916 , 8416 , 23116 , 74526 , 415132 , 783864 , 8457015 , 343882 , 26550303 , 40411761 , 918990282 , 101574185 , 7805410434 , 913339411
n×2
40137970
n×3
60206955
n×4
80275940
n×5
100344925
n÷2
10034492.5
n÷3
6689661.6666667
n÷3
5017246.25
n÷5
4013797
n2
402764158930225
n3
8.0830678641083E+21
n4
1.6221896771877E+29
n5
3.2555700298635E+36
2 √n
4479.8420731093
3 √n
271.75349368531
4 √n
66.931622370217
5 √n
28.873875642612
1 , 5 , 37 , 83 , 185 , 415 , 1307 , 3071 , 6535 , 15355 , 48359 , 108481 , 241795 , 542405 , 4013797 , 20068985
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
-20068984
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 20068985 can be divided by 16 positive divisors.
The sum of these divisors (counting 20068985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100011101001111001
3
Ternary
1101202121110202
4
Quaternary
1030203221321
5
Quinary
20114201420
6
Senary
1554051545
8
Octal
114435171
10
Decimal
20068985
12
Duodecimal
6879bb5
16
Hexadecimal
1323a79
20
Vigesimal
658c95
36
Base36
by5bt
md5
a365965d63dc07b42131fa96c258fc40
sha1
89ac94ac5020873621bb1dfa8eee95a7a9cbe04b
sha256
2a5b9c05e04f9b4622345833782f931a62aad0d4a98267655863a05a27a22c68
sha512
8a3ad8df93be09bac76ed59bb143e228300fa05fccd39a8d2504f19cab97f0117544e614c60c5eb8dd923111b807944abe83c862f9e66f1d1a5e537f60cc546d
ripemd-160
1d3631b5e4f9ac4604915a817da10c7013b434e7
Diameter
40137970
Circumference
126097151.68201
Area
1.2653209228245E+15
Volume
3.3858275493801E+22
Surface area
5.0612836912979E+15
Circumference
126097151.68201
Perimeter
80275940
Area
402764158930225
Diagonal
28381830.770062
Surface area
2416584953581350
Volume
8.0830678641083E+21
Space diagonal
34760501.676338
Perimeter
60206955
Area
1.7440199668372E+14
Altitude
17380250.838169
Surface area
1.7440199668372E+14
Volume
9.5259868325034E+20
Height
9460610.2566874