20181875 is an odd 8-digits composite number following 20181874
and preceding 20181876 . In scientific notation, it is written as 2.0181875 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 18 positive divisors.
There are 13818000 positive integers (up to 20181875) that are relatively prime to 20181875.
20181875 has 18 divisors, whose sum is 25800060
The reverse of 20181875 is 57818102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighty-one thousand eight hundred seventy-five
Scientific notation
2.0181875 × 10^7
Engineering notation
2.0181875 × 10^6
Prime Factorization
35 × 5 × 35 × 5 × 659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
115325
Product of the distinct prime numbers
The prime factorization of 20181875 is 35 × 5 × 35 × 5 × 659.
Since it has a total of 5 prime factors.
10 , 7 , 55 , 52 , 658 , 386 , 7695 , 9724 , 23455 , 23134 , 829067 , 788197 , 8788015 , 5923055 , 78153915 , 48763066 , 969794750 , 202590818 , 9032125754 , 6011696436
n×2
40363750
n×3
60545625
n×4
80727500
n×5
100909375
n÷2
10090937.5
n÷3
6727291.6666667
n÷3
5045468.75
n÷5
4036375
n2
407308078515625
n3
8.2202407270925E+21
n4
1.6589987082409E+29
n5
3.3481704554879E+36
2 √n
4492.4241785477
3 √n
272.26208788795
4 √n
67.025548700087
5 √n
28.906286472692
1 , 5 , 25 , 35 , 175 , 659 , 875 , 1225 , 3295 , 6125 , 16475 , 23065 , 30625 , 115325 , 576625 , 807275 , 4036375 , 20181875
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181875 can be divided by 18 positive divisors.
The sum of these divisors (counting 20181875) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100111111001101110011
3
Ternary
1101222100022212
4
Quaternary
1030333031303
5
Quinary
20131310000
6
Senary
2000322335
8
Octal
114771563
10
Decimal
20181875
12
Duodecimal
69133ab
16
Hexadecimal
133f373
20
Vigesimal
662edf
36
Base36
c0kfn
md5
3e2b9a10bc2c6f66ad6cbb9f08028f1c
sha1
7696934423f755d46e08c08f9eaad9ba998df7dc
sha256
c5cd23bc1c3cc5efc06c488fc7490ecd2828c75f8f42800045e662670dedf02c
sha512
11e53d40447d751678b0c47dd14b4b1b12766647a3bd368cdd4313c0742964e2bede5ef025c796ecf1184cf640f23fc370dd538310397d4cb11d2ad31fa97550
ripemd-160
32e35384fb3d858496b5e0bad70c5406dc340cd5
Diameter
40363750
Circumference
126806460.47134
Area
1.2795960672125E+15
Volume
3.4432863838631E+22
Surface area
5.1183842688498E+15
Circumference
126806460.47134
Perimeter
80727500
Area
407308078515625
Diagonal
28541481.339119
Surface area
2443848471093750
Volume
8.2202407270925E+21
Space diagonal
34956032.892004
Perimeter
60545625
Area
1.7636957158058E+14
Altitude
17478016.446002
Surface area
1.7636957158058E+14
Volume
9.6876466018549E+20
Height
9513827.1130395