20189457 is an odd 8-digits composite number following 20189456
and preceding 20189458 . In scientific notation, it is written as 2.0189457 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 12402720 positive integers (up to 20189457) that are relatively prime to 20189457.
20189457 has 16 divisors, whose sum is 24259200
The reverse of 20189457 is 75498102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-nine thousand four hundred fifty-seven
Scientific notation
2.0189457 × 10^7
Engineering notation
2.0189457 × 10^6
Prime Factorization
9 × 19 × 37 × 3191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20189457
Product of the distinct prime numbers
The prime factorization of 20189457 is 9 × 19 × 37 × 3191.
Since it has a total of 4 prime factors.
3 , 3 , 9 , 17 , 593 , 700 , 5553 , 2621 , 59548 , 81886 , 564334 , 542648 , 2962508 , 6012467 , 40808819 , 13578749 , 460771306 , 689408515 , 7885011122 , 4115502815
n×2
40378914
n×3
60568371
n×4
80757828
n×5
100947285
n÷2
10094728.5
n÷3
6729819
n÷3
5047364.25
n÷5
4037891.4
n2
407614173954849
n3
8.2295088376519E+21
n4
1.6614931480889E+29
n5
3.3544644469136E+36
2 √n
4493.2679644108
3 √n
272.29617842212
4 √n
67.031842913728
5 √n
28.908458070093
1 , 9 , 19 , 37 , 171 , 333 , 703 , 3191 , 6327 , 28719 , 60629 , 118067 , 545661 , 1062603 , 2243273 , 20189457
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
-20189456
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 20189457 can be divided by 16 positive divisors.
The sum of these divisors (counting 20189457) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001000100010001
3
Ternary
1101222201201200
4
Quaternary
1031001010101
5
Quinary
20132030312
6
Senary
2000421413
8
Octal
115010421
10
Decimal
20189457
12
Duodecimal
6917869
16
Hexadecimal
1341111
20
Vigesimal
663dch
36
Base36
c0qa9
md5
40123914b933020bc9eb6763b3c8b35d
sha1
fd1572a7194bef963b090ccb5214b2d22a5b74a1
sha256
11bb0957deac35be6977c67afca174f3901fd18a352bc4dca83b78eacd34f97a
sha512
e078db18b418a1b73a7adcca64a19dc8317cc7817955bcd16fb888eb09e4d0e874d1c19f97b2fc27ee3cd933b55a126de87d0a3d1197070ed22156226ee78c17
ripemd-160
2c740ffc6ec69de498f55cc1928fe7462403b894
Diameter
40378914
Circumference
126854099.58233
Area
1.2805576943956E+15
Volume
3.4471686009359E+22
Surface area
5.1222307775825E+15
Circumference
126854099.58233
Perimeter
80757828
Area
407614173954849
Diagonal
28552203.906348
Surface area
2445685043729094
Volume
8.2295088376519E+21
Space diagonal
34969165.301227
Perimeter
60568371
Area
1.7650211479375E+14
Altitude
17484582.650614
Surface area
1.7650211479375E+14
Volume
9.6985691748972E+20
Height
9517401.3021161