20109691 is an odd 8-digits composite number following 20109690
and preceding 20109692 . In scientific notation, it is written as 2.0109691 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 16142976 positive integers (up to 20109691) that are relatively prime to 20109691.
20109691 has 16 divisors, whose sum is 24454656
The reverse of 20109691 is 19690102
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred nine thousand six hundred ninety-one
Scientific notation
2.0109691 × 10^7
Engineering notation
2.0109691 × 10^6
Prime Factorization
7 × 17 × 347 × 487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20109691
Product of the distinct prime numbers
The prime factorization of 20109691 is 7 × 17 × 347 × 487.
Since it has a total of 4 prime factors.
8 , 1 , 76 , 9 , 453 , 95 , 2490 , 3835 , 13090 , 62298 , 203881 , 685650 , 8111145 , 5152827 , 11444309 , 54517835 , 587835944 , 505442532 , 7671254754 , 6976402834
n×2
40219382
n×3
60329073
n×4
80438764
n×5
100548455
n÷2
10054845.5
n÷3
6703230.3333333
n÷3
5027422.75
n÷5
4021938.2
n2
404399672115481
n3
8.1323524467436E+21
n4
1.6353909480711E+29
n5
3.2887206629907E+36
2 √n
4484.383012188
3 √n
271.93710249096
4 √n
66.965536003141
5 √n
28.885579149911
1 , 7 , 17 , 119 , 347 , 487 , 2429 , 3409 , 5899 , 8279 , 41293 , 57953 , 168989 , 1182923 , 2872813 , 20109691
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
-20109690
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 20109691 can be divided by 16 positive divisors.
The sum of these divisors (counting 20109691) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101101100101111011
3
Ternary
1101211200022101
4
Quaternary
1030231211323
5
Quinary
20122002231
6
Senary
1555004231
8
Octal
114554573
10
Decimal
20109691
12
Duodecimal
6899677
16
Hexadecimal
132d97b
20
Vigesimal
65de4b
36
Base36
bz0qj
md5
7bcbf4df34ccc803ec0aa33884d179d9
sha1
ae659e3d9f2e004efbb77e4ea1f5e48a5a5550a3
sha256
c4505bb55fe900b282749918e74e7d9bfa4ebd85fd7b64b403fd410c2c3daff2
sha512
a05b65c537ef2e385d5ceed520a1c778d9aeb7dafbc8b087a5fbe2ed270f5794ba2439d31a4b7e1a976939e5f1fc70c4254dc01fbdbcc0adb801c879ddf4a66c
ripemd-160
637caf599c8da1be2e863673b29291a4cb525719
Diameter
40219382
Circumference
126352915.02312
Area
1.2704590390321E+15
Volume
3.406471827079E+22
Surface area
5.0818361561285E+15
Circumference
126352915.02312
Perimeter
80438764
Area
404399672115481
Diagonal
28439397.747332
Surface area
2426398032692886
Volume
8.1323524467436E+21
Space diagonal
34831006.536511
Perimeter
60329073
Area
1.7511019466705E+14
Altitude
17415503.268255
Surface area
1.7511019466705E+14
Volume
9.5840692701524E+20
Height
9479799.2491107