20181950 is an even 8-digits composite number following 20181949
and preceding 20181951 . In scientific notation, it is written as 2.0181950 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 8021120 positive integers (up to 20181950) that are relatively prime to 20181950.
20181950 has 24 divisors, whose sum is 37778832
The reverse of 20181950 is 05918102
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred eighty-one thousand nine hundred fifty
Scientific notation
2.0181950 × 10^7
Engineering notation
2.0181950 × 10^6
Prime Factorization
2 × 5 × 5 × 167 × 2417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4036390
Product of the distinct prime numbers
The prime factorization of 20181950 is 2 × 5 × 5 × 167 × 2417.
Since it has a total of 5 prime factors.
3 , 6 , 65 , 44 , 571 , 282 , 9076 , 3742 , 11512 , 69417 , 146692 , 964042 , 6773063 , 4268820 , 26637471 , 36696396 , 302891958 , 558601735 , 1317678935 , 1480697738
n×2
40363900
n×3
60545850
n×4
80727800
n×5
100909750
n÷2
10090975
n÷3
6727316.6666667
n÷3
5045487.5
n÷5
4036390
n2
407311105802500
n3
8.2203323717508E+21
n4
1.6590233691006E+29
n5
3.3482326684019E+36
2 √n
4492.4325259262
3 √n
272.26242514818
4 √n
67.025610970182
5 √n
28.906307957002
1 , 2 , 5 , 10 , 25 , 50 , 167 , 334 , 835 , 1670 , 2417 , 4175 , 4834 , 8350 , 12085 , 24170 , 60425 , 120850 , 403639 , 807278 , 2018195 , 4036390 , 10090975 , 20181950
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181949
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181950 can be divided by 24 positive divisors.
The sum of these divisors (counting 20181950) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111111001110111110
3
Ternary
1101222100102122
4
Quaternary
1030333032332
5
Quinary
20131310300
6
Senary
2000322542
8
Octal
114771676
10
Decimal
20181950
12
Duodecimal
6913452
16
Hexadecimal
133f3be
20
Vigesimal
662eha
36
Base36
c0khq
md5
324668ce98565d0b19a94035cbb46119
sha1
fd26782f41ccac6eabb8ace236800acd94c619a4
sha256
7e59c38ce5f4ef9ebf8eda53018cba1e8c67796b7548d1f924b4886bd31902ea
sha512
f642dd182de273539e49da8aa7651a45350666179cdd3d998384ebfe5757919712e1dc7db4a13643eab5b715559b0d82c717923ab748514e8e28cbf8a88e3b65
ripemd-160
dd06917a1ad40eceaf7d50b6a4e119fcd6e284a8
Diameter
40363900
Circumference
126806931.71023
Area
1.2796055777147E+15
Volume
3.4433247718878E+22
Surface area
5.1184223108587E+15
Circumference
126806931.71023
Perimeter
80727800
Area
407311105802500
Diagonal
28541587.405136
Surface area
2443866634815000
Volume
8.2203323717508E+21
Space diagonal
34956162.795815
Perimeter
60545850
Area
1.7637088243425E+14
Altitude
17478081.397907
Surface area
1.7637088243425E+14
Volume
9.6877546061204E+20
Height
9513862.4683786