20189906 is an even 8-digits composite number following 20189905
and preceding 20189907 . In scientific notation, it is written as 2.0189906 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 8778000 positive integers (up to 20189906) that are relatively prime to 20189906.
20189906 has 16 divisors, whose sum is 34475328
The reverse of 20189906 is 60998102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-nine thousand nine hundred six
Scientific notation
2.0189906 × 10^7
Engineering notation
2.0189906 × 10^6
Prime Factorization
2 × 23 × 11 × 39901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20189906
Product of the distinct prime numbers
The prime factorization of 20189906 is 2 × 23 × 11 × 39901.
Since it has a total of 4 prime factors.
6 , 6 , 47 , 48 , 65 , 936 , 4506 , 1941 , 22964 , 6135 , 73171 , 427674 , 1544400 , 6764854 , 39837757 , 62674279 , 68687098 , 314311384 , 5060038744 , 2787312269
n×2
40379812
n×3
60569718
n×4
80759624
n×5
100949530
n÷2
10094953
n÷3
6729968.6666667
n÷3
5047476.5
n÷5
4037981.2
n2
407632304288836
n3
8.230057906155E+21
n4
1.6616409549983E+29
n5
3.3548374687165E+36
2 √n
4493.3179277679
3 √n
272.29819696869
4 √n
67.032215596442
5 √n
28.908586649897
1 , 2 , 11 , 22 , 23 , 46 , 253 , 506 , 39901 , 79802 , 438911 , 877822 , 917723 , 1835446 , 10094953 , 20189906
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
-20189905
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 20189906 can be divided by 16 positive divisors.
The sum of these divisors (counting 20189906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001001011010010
3
Ternary
1101222202100022
4
Quaternary
1031001023102
5
Quinary
20132034111
6
Senary
2000423442
8
Octal
115011322
10
Decimal
20189906
12
Duodecimal
6917b82
16
Hexadecimal
13412d2
20
Vigesimal
663ef6
36
Base36
c0qmq
md5
9ed06d9913ebd86354584f6874676bea
sha1
04e0739629634d29d7340be2792404ba1c5408fd
sha256
31049241e2545c583c014990b547eb3f5a6955d2e78ed8498eeb2a0094b29baa
sha512
f58b75d36e6494349547878dda390a1d900871e65a84437d2629a3840ba41d35ce2c387e70b0587bd54a34ce2e813dc2a59c098f038a57f2d8a3aef74d172aff
ripemd-160
6ab7158252fb2e73eb394e7d5543da76cf511152
Diameter
40379812
Circumference
126856920.73254
Area
1.2806146525197E+15
Volume
3.4473985942127E+22
Surface area
5.1224586100787E+15
Circumference
126856920.73254
Perimeter
80759624
Area
407632304288836
Diagonal
28552838.888238
Surface area
2445793825733016
Volume
8.230057906155E+21
Space diagonal
34969942.99204
Perimeter
60569718
Area
1.7650996545866E+14
Altitude
17484971.49602
Surface area
1.7650996545866E+14
Volume
9.6992162583336E+20
Height
9517612.962746