20930187 is an odd 8-digits composite number following 20930186
and preceding 20930188 . In scientific notation, it is written as 2.0930187 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13953456 positive integers (up to 20930187) that are relatively prime to 20930187.
20930187 has 4 divisors, whose sum is 27906920
The reverse of 20930187 is 78103902
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred thirty thousand one hundred eighty-seven
Scientific notation
2.0930187 × 10^7
Engineering notation
2.0930187 × 10^6
Prime Factorization
3 × 6976729
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20930187
Product of the distinct prime numbers
The prime factorization of 20930187 is 3 × 6976729.
Since it has a total of 2 prime factors.
10 , 6 , 65 , 15 , 144 , 868 , 8627 , 3642 , 34980 , 51884 , 55829 , 437979 , 2955778 , 194687 , 57228502 , 82789556 , 266775443 , 36048101 , 8168073120 , 318495601
n×2
41860374
n×3
62790561
n×4
83720748
n×5
104650935
n÷2
10465093.5
n÷3
6976729
n÷3
5232546.75
n÷5
4186037.4
n2
438072727854969
n3
9.1689441136046E+21
n4
1.9190771489029E+29
n5
4.0166643593965E+36
2 √n
4574.9521308971
3 √n
275.58635000853
4 √n
67.638392432827
5 √n
29.117536041388
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20930186
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20930187 can be divided by 4 positive divisors.
The sum of these divisors (counting 20930187) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111110101111010001011
3
Ternary
1110101100211010
4
Quaternary
1033311322023
5
Quinary
20324231222
6
Senary
2024335003
8
Octal
117657213
10
Decimal
20930187
12
Duodecimal
7014463
16
Hexadecimal
13f5e8b
20
Vigesimal
6ag597
36
Base36
cglu3
md5
483d2a68a3b331202bcdb5b9e24eaea1
sha1
6154d4df10af136ddc037613ebdbf00fd275e217
sha256
1233685513a8d4ac83e496f8f0730334aefc4918e06ee6b5a40496723344b097
sha512
623e2f78c7bf5b2e86be1bf08d4957eb3268491b288931a98006ac8eb77ad4f0a72a9413894ec85a2b474c69a5b91103fed0756df4ffdd88d03f9d8c6a2c1c36
ripemd-160
2a266581c336c21e33ab6a2e5c38bf45d4e3245a
Diameter
41860374
Circumference
131508243.43492
Area
1.3762460635672E+15
Volume
3.8406783291301E+22
Surface area
5.5049842542688E+15
Circumference
131508243.43492
Perimeter
83720748
Area
438072727854969
Diagonal
29599754.318405
Surface area
2628436367129814
Volume
9.1689441136046E+21
Space diagonal
36252147.295918
Perimeter
62790561
Area
1.8969105551378E+14
Altitude
18126073.647959
Surface area
1.8969105551378E+14
Volume
1.0805704265084E+21
Height
9866584.7728017