20121953 is an odd 8-digits composite number following 20121952
and preceding 20121954 . In scientific notation, it is written as 2.0121953 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20110740 positive integers (up to 20121953) that are relatively prime to 20121953.
20121953 has 4 divisors, whose sum is 20133168
The reverse of 20121953 is 35912102
Previous prime number is 2243
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-one thousand nine hundred fifty-three
Scientific notation
2.0121953 × 10^7
Engineering notation
2.0121953 × 10^6
Prime Factorization
2243 × 8971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121953
Product of the distinct prime numbers
The prime factorization of 20121953 is 2243 × 8971.
Since it has a total of 2 prime factors.
9 , 10 , 4 , 100 , 733 , 639 , 508 , 1060 , 8859 , 43398 , 238924 , 644135 , 7444415 , 9599458 , 27703159 , 31049906 , 917266254 , 254600365 , 5964298707 , 2677696366
n×2
40243906
n×3
60365859
n×4
80487812
n×5
100609765
n÷2
10060976.5
n÷3
6707317.6666667
n÷3
5030488.25
n÷5
4024390.6
n2
404892992534209
n3
8.1472377658027E+21
n4
1.6393833540331E+29
n5
3.2987594798836E+36
2 √n
4485.7499930335
3 √n
271.99236299924
4 √n
66.975741825182
5 √n
28.889100920724
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
-20121952
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 20121953 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121953) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000100101100001
3
Ternary
1101212022010112
4
Quaternary
1030300211201
5
Quinary
20122400303
6
Senary
1555141105
8
Octal
114604541
10
Decimal
20121953
12
Duodecimal
68a4795
16
Hexadecimal
1330961
20
Vigesimal
65f4hd
36
Base36
bza75
md5
9e292a03592e17d9a5f4ebebb49aec9b
sha1
1fd3f5eaaf33692ea6402eb4af143dfc9e15de0d
sha256
727af8ecbc2ba0714480bb5930a44674e5aaee5e60ffcd376b8f1b94db0693cd
sha512
6c4f252601b8b4e69f6d8bbea1b1908f4337f32ea7f784d07accea518e1d0b4296fa4d62b104d13289122e90fe41d56387b60f0b8c0f2b08d56db0d05387c25c
ripemd-160
3fbf435df421e474616d48b02e5ba8e91a70a058
Diameter
40243906
Circumference
126429959.44136
Area
1.2720088508355E+15
Volume
3.412706974946E+22
Surface area
5.0880354033418E+15
Circumference
126429959.44136
Perimeter
80487812
Area
404892992534209
Diagonal
28456738.834034
Surface area
2429357955205254
Volume
8.1472377658027E+21
Space diagonal
34852244.943513
Perimeter
60365859
Area
1.7532380867446E+14
Altitude
17426122.471756
Surface area
1.7532380867446E+14
Volume
9.601611786897E+20
Height
9485579.6113447