20045985 is an odd 8-digits composite number following 20045984
and preceding 20045986 . In scientific notation, it is written as 2.0045985 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 10691184 positive integers (up to 20045985) that are relatively prime to 20045985.
20045985 has 8 divisors, whose sum is 32073600
The reverse of 20045985 is 58954002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million forty-five thousand nine hundred eighty-five
Scientific notation
2.0045985 × 10^7
Engineering notation
2.0045985 × 10^6
Prime Factorization
5 × 3 × 1336399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20045985
Product of the distinct prime numbers
The prime factorization of 20045985 is 5 × 3 × 1336399.
Since it has a total of 3 prime factors.
10 , 3 , 52 , 33 , 500 , 720 , 7527 , 811 , 12160 , 49507 , 361211 , 433339 , 9967285 , 9545839 , 36706774 , 29370518 , 911148700 , 588836098 , 656818088 , 9454771289
n×2
40091970
n×3
60137955
n×4
80183940
n×5
100229925
n÷2
10022992.5
n÷3
6681995
n÷3
5011496.25
n÷5
4009197
n2
401841514620225
n3
8.0553089744543E+21
n4
1.6147660287228E+29
n5
3.2369575590286E+36
2 √n
4477.2742824178
3 √n
271.64963990961
4 √n
66.912437426967
5 √n
28.867254442937
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
-20045984
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 20045985 can be divided by 8 positive divisors.
The sum of these divisors (counting 20045985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011110000010100001
3
Ternary
1101201102220220
4
Quaternary
1030132002201
5
Quinary
20112432420
6
Senary
1553353253
8
Octal
114360241
10
Decimal
20045985
12
Duodecimal
6868829
16
Hexadecimal
131e0a1
20
Vigesimal
655ej5
36
Base36
bxnkx
md5
c01f186acefd4e076f2cb00162445b76
sha1
fc5e3e69e5a0eaaa98c320dac16538bbf2ab062d
sha256
44741d411266b600ef5c898f12dc5dc525986275aa80d8c9d8b2f61035796b06
sha512
93c92cc9dd16818a51f28561fcc5f83b85ad5ccdd62aaa7b4f14ea252a95fd5ce8d975e7d92e81d29bb1091a6edc48b742edc3a88b8c1d6b835664ccd750f8da
ripemd-160
6f747e17ea1bb83eea6afc9f7bf05d4185a71a5b
Diameter
40091970
Circumference
125952638.41994
Area
1.2624223502383E+15
Volume
3.3741999328722E+22
Surface area
5.0496894009532E+15
Circumference
125952638.41994
Perimeter
80183940
Area
401841514620225
Diagonal
28349303.858128
Surface area
2411049087721350
Volume
8.0553089744543E+21
Space diagonal
34720664.507764
Perimeter
60137955
Area
1.7400247997817E+14
Altitude
17360332.253882
Surface area
1.7400247997817E+14
Volume
9.4932726673158E+20
Height
9449767.9527092