20121830 is an even 8-digits composite number following 20121829
and preceding 20121831 . In scientific notation, it is written as 2.0121830 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 7999872 positive integers (up to 20121830) that are relatively prime to 20121830.
20121830 has 16 divisors, whose sum is 36439200
The reverse of 20121830 is 03812102
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred twenty-one thousand eight hundred thirty
Scientific notation
2.0121830 × 10^7
Engineering notation
2.0121830 × 10^6
Prime Factorization
2 × 5 × 167 × 12049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121830
Product of the distinct prime numbers
The prime factorization of 20121830 is 2 × 5 × 167 × 12049.
Since it has a total of 4 prime factors.
9 , 6 , 66 , 74 , 879 , 948 , 6574 , 8601 , 6028 , 99972 , 632983 , 170941 , 8595697 , 5523786 , 61052973 , 13438243 , 970722649 , 185322031 , 8849293187 , 2179356808
n×2
40243660
n×3
60365490
n×4
80487320
n×5
100609150
n÷2
10060915
n÷3
6707276.6666667
n÷3
5030457.5
n÷5
4024366
n2
404888042548900
n3
8.1470883612017E+21
n4
1.6393432699908E+29
n5
3.2986586590399E+36
2 √n
4485.7362829306
3 √n
271.99180879312
4 √n
66.975639473846
5 √n
28.889065602402
1 , 2 , 5 , 10 , 167 , 334 , 835 , 1670 , 12049 , 24098 , 60245 , 120490 , 2012183 , 4024366 , 10060915 , 20121830
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
-20121829
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 20121830 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121830) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000100011100110
3
Ternary
1101212021221222
4
Quaternary
1030300203212
5
Quinary
20122344310
6
Senary
1555140342
8
Octal
114604346
10
Decimal
20121830
12
Duodecimal
68a46b2
16
Hexadecimal
13308e6
20
Vigesimal
65f4ba
36
Base36
bza3q
md5
37319c0ae917493c16b35edd6a60a10e
sha1
f7609b41d58f8fdac1c5da61de3d1f9da5c2b0af
sha256
003389c2161c035c4dcec1f302c0f3b81d7cf1d1066c245f5941be7658acf177
sha512
ef541d479d0d5aceea3a87fe0847f25783b5901e0d911558409878948375dcb04fad9e8d030a20b338af4a59ad9ac103d57f73063291b6568bd77d6333095d90
ripemd-160
eae85e530f6e266c3bc1b33f391829c245f1920a
Diameter
40243660
Circumference
126429186.60957
Area
1.271993299998E+15
Volume
3.4126443924931E+22
Surface area
5.0879731999919E+15
Circumference
126429186.60957
Perimeter
80487320
Area
404888042548900
Diagonal
28456564.885766
Surface area
2429328255293400
Volume
8.1470883612017E+21
Space diagonal
34852031.901264
Perimeter
60365490
Area
1.7532166526795E+14
Altitude
17426015.950632
Surface area
1.7532166526795E+14
Volume
9.6014357118862E+20
Height
9485521.6285886