20188750 is an even 8-digits composite number following 20188749
and preceding 20188751 . In scientific notation, it is written as 2.0188750 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 7800000 positive integers (up to 20188750) that are relatively prime to 20188750.
20188750 has 16 divisors, whose sum is 31370112
The reverse of 20188750 is 05788102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-eight thousand seven hundred fifty
Scientific notation
2.0188750 × 10^7
Engineering notation
2.0188750 × 10^6
Prime Factorization
2 × 625 × 31 × 521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20188750
Product of the distinct prime numbers
The prime factorization of 20188750 is 2 × 625 × 31 × 521.
Since it has a total of 4 prime factors.
1 , 3 , 46 , 60 , 122 , 159 , 3735 , 8752 , 29791 , 4310 , 679106 , 215163 , 721219 , 4615635 , 21361622 , 1046418 , 565074990 , 877669069 , 404844621 , 7978413151
n×2
40377500
n×3
60566250
n×4
80755000
n×5
100943750
n÷2
10094375
n÷3
6729583.3333333
n÷3
5047187.5
n÷5
4037750
n2
407585626562500
n3
8.2286443182637E+21
n4
1.6612604298035E+29
n5
3.3538771502195E+36
2 √n
4493.1892904706
3 √n
272.29299993734
4 √n
67.031256071109
5 √n
28.908255602377
1 , 2 , 31 , 62 , 521 , 625 , 1042 , 1250 , 16151 , 19375 , 32302 , 38750 , 325625 , 651250 , 10094375 , 20188750
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
-20188749
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 20188750 can be divided by 16 positive divisors.
The sum of these divisors (counting 20188750) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000111001001110
3
Ternary
1101222200202111
4
Quaternary
1031000321032
5
Quinary
20132020000
6
Senary
2000414234
8
Octal
115007116
10
Decimal
20188750
12
Duodecimal
691737a
16
Hexadecimal
1340e4e
20
Vigesimal
663bha
36
Base36
c0pqm
md5
6cbeb0debd247b1f2685b83225d934fa
sha1
6f33b8053c9ee4e5d50c1d506d173e0c767281b3
sha256
dd1b0d3c7583fceae1eebff8a417428ef0147a5dff85c792824732042efd2259
sha512
a078661b4db0a74a201d128d6f4d0feba4749e46e18e783990b92c84eae35aeb9120c64a2dd783c5987fee9a0d0d9ebe03984104feeb2d8d5f7a231819687a8d
ripemd-160
b68a320056c6eb2b4cb6fe9c6f8afa930ef6a855
Diameter
40377500
Circumference
126849657.37032
Area
1.2804680101175E+15
Volume
3.4468064719014E+22
Surface area
5.1218720404702E+15
Circumference
126849657.37032
Perimeter
80755000
Area
407585626562500
Diagonal
28551204.05736
Surface area
2445513759375000
Volume
8.2286443182637E+21
Space diagonal
34967940.741306
Perimeter
60566250
Area
1.7648975341026E+14
Altitude
17483970.370653
Surface area
1.7648975341026E+14
Volume
9.6975503290273E+20
Height
9517068.0191199