20023985 is an odd 8-digits composite number following 20023984
and preceding 20023986 . In scientific notation, it is written as 2.0023985 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 15502320 positive integers (up to 20023985) that are relatively prime to 20023985.
20023985 has 8 divisors, whose sum is 24804096
The reverse of 20023985 is 58932002
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million twenty-three thousand nine hundred eighty-five
Scientific notation
2.0023985 × 10^7
Engineering notation
2.0023985 × 10^6
Prime Factorization
5 × 31 × 129187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20023985
Product of the distinct prime numbers
The prime factorization of 20023985 is 5 × 31 × 129187.
Since it has a total of 3 prime factors.
4 , 4 , 12 , 2 , 961 , 253 , 1669 , 8215 , 76638 , 94551 , 935612 , 178654 , 9632412 , 7419081 , 22667226 , 25740507 , 211682022 , 269724979 , 2332835734 , 1356971378
n×2
40047970
n×3
60071955
n×4
80095940
n×5
100119925
n÷2
10011992.5
n÷3
6674661.6666667
n÷3
5005996.25
n÷5
4004797
n2
400959975280225
n3
8.0288165306116E+21
n4
1.6076890177672E+29
n5
3.2192340776435E+36
2 √n
4474.8167560248
3 √n
271.55022715618
4 √n
66.894071157501
5 √n
28.860915432153
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
-20023984
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 20023985 can be divided by 8 positive divisors.
The sum of these divisors (counting 20023985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011000101010110001
3
Ternary
1101200022202002
4
Quaternary
1030120222301
5
Quinary
20111231420
6
Senary
1553103345
8
Octal
114305261
10
Decimal
20023985
12
Duodecimal
6857b55
16
Hexadecimal
1318ab1
20
Vigesimal
652jj5
36
Base36
bx6lt
md5
838e744838e03b626e89230d236a8495
sha1
c869c84c680e2d502941e5e8bc5d3bffbf115b88
sha256
391f9cc10f8aa19f6ca7f6a623f65cbe18b02514d5b19441f37f6cc3f73551b2
sha512
d2f36a2571cc03fc1a8e2abd8ef61acafb7796a15f221510ef5a161d99fb2c5cd2ffc0277b3315e62d83e1f54bca74e114ae080ad2feda795b229705b383ea69
ripemd-160
395ff957931c68dcfbefacc85c35e944250a0d0e
Diameter
40047970
Circumference
125814408.34318
Area
1.2596529127239E+15
Volume
3.3631028039453E+22
Surface area
5.0386116508956E+15
Circumference
125814408.34318
Perimeter
80095940
Area
400959975280225
Diagonal
28318191.159755
Surface area
2405759851681350
Volume
8.0288165306116E+21
Space diagonal
34682559.389997
Perimeter
60071955
Area
1.7362076224673E+14
Altitude
17341279.694999
Surface area
1.7362076224673E+14
Volume
9.4620510228302E+20
Height
9439397.0532518