20189746 is an even 8-digits composite number following 20189745
and preceding 20189747 . In scientific notation, it is written as 2.0189746 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 10046820 positive integers (up to 20189746) that are relatively prime to 20189746.
20189746 has 8 divisors, whose sum is 30428784
The reverse of 20189746 is 64798102
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred eighty-nine thousand seven hundred forty-six
Scientific notation
2.0189746 × 10^7
Engineering notation
2.0189746 × 10^6
Prime Factorization
2 × 211 × 47843
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20189746
Product of the distinct prime numbers
The prime factorization of 20189746 is 2 × 211 × 47843.
Since it has a total of 3 prime factors.
2 , 5 , 48 , 68 , 204 , 924 , 9371 , 1598 , 76446 , 10330 , 767222 , 687565 , 9546304 , 8389211 , 43204415 , 14973590 , 370854123 , 334552278 , 8048517668 , 1443978660
n×2
40379492
n×3
60569238
n×4
80758984
n×5
100948730
n÷2
10094873
n÷3
6729915.3333333
n÷3
5047436.5
n÷5
4037949.2
n2
407625843544516
n3
8.2298622441995E+21
n4
1.6615882832538E+29
n5
3.354704539547E+36
2 √n
4493.3001235172
3 √n
272.29747766822
4 √n
67.032082792624
5 √n
28.908540831076
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20189745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189746 can be divided by 8 positive divisors.
The sum of these divisors (counting 20189746) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001000110010
3
Ternary
1101222202010101
4
Quaternary
1031001020302
5
Quinary
20132032441
6
Senary
2000423014
8
Octal
115011062
10
Decimal
20189746
12
Duodecimal
6917a6a
16
Hexadecimal
1341232
20
Vigesimal
663e76
36
Base36
c0qia
md5
1ac24f281f2405092313774ac6983460
sha1
e34cf14609ec5d6e7f05c88128cd47780fe9525c
sha256
a10ddedc2b9e55466d01c830b2441a92299a254503caa37bd99723a374110eeb
sha512
9f79ac8359d81f9ea539daf0aeeca4e19b6ca293079d884d3ce73bb6222f6780ae8a9f89704b66002884fa8f0fa0b73db4ac9bdd6bbe2d401da7c2074bb52491
ripemd-160
6da2f8ca1c79cde498fb7ba573e8d034b29825f4
Diameter
40379492
Circumference
126855915.42289
Area
1.2805943554928E+15
Volume
3.4473166355244E+22
Surface area
5.1223774219712E+15
Circumference
126855915.42289
Perimeter
80758984
Area
407625843544516
Diagonal
28552612.614068
Surface area
2445755061267096
Volume
8.2298622441995E+21
Space diagonal
34969665.863911
Perimeter
60569238
Area
1.7650716787431E+14
Altitude
17484832.931955
Surface area
1.7650716787431E+14
Volume
9.6989856685077E+20
Height
9517537.5380227