20343985 is an odd 8-digits composite number following 20343984
and preceding 20343986 . In scientific notation, it is written as 2.0343985 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 15097600 positive integers (up to 20343985) that are relatively prime to 20343985.
20343985 has 8 divisors, whose sum is 20879424
The reverse of 20343985 is 58934302
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million three hundred forty-three thousand nine hundred eighty-five
Scientific notation
2.0343985 × 10^7
Engineering notation
2.0343985 × 10^6
Prime Factorization
85 × 71 × 3371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20343985
Product of the distinct prime numbers
The prime factorization of 20343985 is 85 × 71 × 3371.
Since it has a total of 3 prime factors.
7 , 6 , 13 , 62 , 770 , 151 , 2359 , 5564 , 70870 , 24128 , 469777 , 772685 , 6181204 , 9964017 , 6234071 , 77267356 , 20648234 , 335625799 , 4465167793 , 6842854791
n×2
40687970
n×3
61031955
n×4
81375940
n×5
101719925
n÷2
10171992.5
n÷3
6781328.3333333
n÷3
5085996.25
n÷5
4068797
n2
413877725680225
n3
8.4199222430726E+21
n4
1.7129477181424E+29
n5
3.4848182683672E+36
2 √n
4510.4306889697
3 √n
272.9891223689
4 √n
67.1597400901
5 √n
28.952575672575
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20343984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20343985 can be divided by 8 positive divisors.
The sum of these divisors (counting 20343985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101100110110010110001
3
Ternary
1102021120200221
4
Quaternary
1031212302301
5
Quinary
20202001420
6
Senary
2004013041
8
Octal
115466261
10
Decimal
20343985
12
Duodecimal
6991181
16
Hexadecimal
1366cb1
20
Vigesimal
672jj5
36
Base36
c41ip
md5
d73ddf6895f901bcfb098e019c476b38
sha1
8ca94bc58c170691e7f109509c95c6333df7cb20
sha256
5280e4c068cbd499308fea16d4ae030a98c61f0a53f4fab444ae07c9982306bb
sha512
49c82b2f4932f4fbd4acbf882ce971f8f8ac9aaa0677ad13bee5c0c9dbeeb4d44968b3ed9559e73e55a873bb15da48c9650be3ea20f5ae4a08e57091bc288c8a
ripemd-160
d7582a434fbc6b285968c338661ae29fee7506d7
Diameter
40687970
Circumference
127825027.64148
Area
1.3002352224814E+15
Volume
3.5269287816846E+22
Surface area
5.2009408899258E+15
Circumference
127825027.64148
Perimeter
81375940
Area
413877725680225
Diagonal
28770739.499715
Surface area
2483266354081350
Volume
8.4199222430726E+21
Space diagonal
35236815.648419
Perimeter
61031955
Area
1.792143122498E+14
Altitude
17618407.82421
Surface area
1.792143122498E+14
Volume
9.9229735252335E+20
Height
9590246.4999049