20121803 is an odd 8-digits composite number following 20121802
and preceding 20121804 . In scientific notation, it is written as 2.0121803 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 17618304 positive integers (up to 20121803) that are relatively prime to 20121803.
20121803 has 16 divisors, whose sum is 22800960
The reverse of 20121803 is 30812102
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred twenty-one thousand eight hundred three
Scientific notation
2.0121803 × 10^7
Engineering notation
2.0121803 × 10^6
Prime Factorization
23 × 13 × 389 × 173
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121803
Product of the distinct prime numbers
The prime factorization of 20121803 is 23 × 13 × 389 × 173.
Since it has a total of 4 prime factors.
7 , 8 , 33 , 49 , 355 , 824 , 1489 , 3326 , 96017 , 69098 , 477345 , 456202 , 9686595 , 9274097 , 37967314 , 95255084 , 913240784 , 72160467 , 9115637075 , 3655874894
n×2
40243606
n×3
60365409
n×4
80487212
n×5
100609015
n÷2
10060901.5
n÷3
6707267.6666667
n÷3
5030450.75
n÷5
4024360.6
n2
404886955970809
n3
8.1470555653143E+21
n4
1.6393344711531E+29
n5
3.2986365279651E+36
2 √n
4485.7332733902
3 √n
271.99168713781
4 √n
66.975617006417
5 √n
28.889057849576
1 , 13 , 23 , 173 , 299 , 389 , 2249 , 3979 , 5057 , 8947 , 51727 , 67297 , 116311 , 874861 , 1547831 , 20121803
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
-20121802
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 20121803 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121803) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000100011001011
3
Ternary
1101212021220222
4
Quaternary
1030300203023
5
Quinary
20122344203
6
Senary
1555140255
8
Octal
114604313
10
Decimal
20121803
12
Duodecimal
68a468b
16
Hexadecimal
13308cb
20
Vigesimal
65f4a3
36
Base36
bza2z
md5
9840c728be62456b63354e3f8a3b8aed
sha1
dcecbae815c1b19567cbcf8f881ff469ee28e2d3
sha256
655dc6266aac7df70d510d6e9b17f6f93076ae21755cad4a11c3a826138c5079
sha512
2a786dd454e06ad8ed98d77de0be9f3148ac2010ae7be79bb5d5f65824b1c74edbd121daf35dcfd1d2e66daf471dc01d54be12e1e59959021aefb9dba12c6e2f
ripemd-160
8fc405f2c0d3057c16e411d3c1ca9f6a69e001d2
Diameter
40243606
Circumference
126429016.96356
Area
1.2719898864122E+15
Volume
3.4126306549839E+22
Surface area
5.0879595456489E+15
Circumference
126429016.96356
Perimeter
80487212
Area
404886955970809
Diagonal
28456526.702
Surface area
2429321735824854
Volume
8.1470555653143E+21
Space diagonal
34851985.135892
Perimeter
60365409
Area
1.7532119476584E+14
Altitude
17425992.567946
Surface area
1.7532119476584E+14
Volume
9.6013970615622E+20
Height
9485508.9006665