20190906 is an even 8-digits composite number following 20190905
and preceding 20190907 . In scientific notation, it is written as 2.0190906 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6716160 positive integers (up to 20190906) that are relatively prime to 20190906.
20190906 has 16 divisors, whose sum is 33722280
The reverse of 20190906 is 60909102
Previous prime number is 1697
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred ninety thousand nine hundred six
Scientific notation
2.0190906 × 10^7
Engineering notation
2.0190906 × 10^6
Prime Factorization
2 × 9 × 1697 × 661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20190906
Product of the distinct prime numbers
The prime factorization of 20190906 is 2 × 9 × 1697 × 661.
Since it has a total of 4 prime factors.
3 , 4 , 82 , 88 , 738 , 662 , 6495 , 8189 , 53087 , 38018 , 848661 , 66549 , 431731 , 816524 , 56569604 , 11342516 , 425900511 , 521109203 , 7041566744 , 1875248397
n×2
40381812
n×3
60572718
n×4
80763624
n×5
100954530
n÷2
10095453
n÷3
6730302
n÷3
5047726.5
n÷5
4038181.2
n2
407672685100836
n3
8.2312808636386E+21
n4
1.6619701817733E+29
n5
3.3556683714987E+36
2 √n
4493.4292027359
3 √n
272.30269251053
4 √n
67.033045602419
5 √n
28.908873010953
1 , 2 , 9 , 18 , 661 , 1322 , 1697 , 3394 , 5949 , 11898 , 15273 , 30546 , 1121717 , 2243434 , 10095453 , 20190906
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
-20190905
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 20190906 can be divided by 16 positive divisors.
The sum of these divisors (counting 20190906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001011010111010
3
Ternary
1101222210201100
4
Quaternary
1031001122322
5
Quinary
20132102111
6
Senary
2000432230
8
Octal
115013272
10
Decimal
20190906
12
Duodecimal
6918676
16
Hexadecimal
13416ba
20
Vigesimal
663h56
36
Base36
c0rei
md5
56c9681c6e1b417c3b0fa036e693e976
sha1
fd6ed085ad2b5e248c293d069083644f3329e4d1
sha256
c02bb5b85b8009ec8c779c6d22c0d02577a053721e09f7bf758a845fcde6e181
sha512
4e038834b6b2281023fbc9810841abc8b693a7e65fae2a03cc23145afd1959e5de35022a898cb7985390e7f113fadd6179cc3d68709f316e7fc438d06757580c
ripemd-160
c0c5986b870db871f75f94a5f6e253023cb3b4a8
Diameter
40381812
Circumference
126863203.91784
Area
1.280741512582E+15
Volume
3.4479108654455E+22
Surface area
5.122966050328E+15
Circumference
126863203.91784
Perimeter
80763624
Area
407672685100836
Diagonal
28554253.1018
Surface area
2446036110605016
Volume
8.2312808636386E+21
Space diagonal
34971675.042847
Perimeter
60572718
Area
1.7652745086317E+14
Altitude
17485837.521424
Surface area
1.7652745086317E+14
Volume
9.7006575275498E+20
Height
9518084.3672668