20691849 is an odd 8-digits composite number following 20691848
and preceding 20691850 . In scientific notation, it is written as 2.0691849 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13349520 positive integers (up to 20691849) that are relatively prime to 20691849.
20691849 has 8 divisors, whose sum is 28479232
The reverse of 20691849 is 94819602
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred ninety-one thousand eight hundred forty-nine
Scientific notation
2.0691849 × 10^7
Engineering notation
2.0691849 × 10^6
Prime Factorization
3 × 31 × 222493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20691849
Product of the distinct prime numbers
The prime factorization of 20691849 is 3 × 31 × 222493.
Since it has a total of 3 prime factors.
1 , 10 , 2 , 7 , 396 , 984 , 9841 , 4171 , 48604 , 89434 , 801777 , 304981 , 9549200 , 1941806 , 53255154 , 66583219 , 869205887 , 229687063 , 700912801 , 4518899894
n×2
41383698
n×3
62075547
n×4
82767396
n×5
103459245
n÷2
10345924.5
n÷3
6897283
n÷3
5172962.25
n÷5
4138369.8
n2
428152615038801
n3
8.859269259338E+21
n4
1.8331466176456E+29
n5
3.7931193007184E+36
2 √n
4548.8294098592
3 √n
274.5362940189
4 √n
67.445010266581
5 √n
29.050917971746
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
-20691848
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 20691849 can be divided by 8 positive divisors.
The sum of these divisors (counting 20691849) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111011101110001001
3
Ternary
1102221020212210
4
Quaternary
1032323232021
5
Quinary
20244114344
6
Senary
2015255333
8
Octal
116735611
10
Decimal
20691849
12
Duodecimal
6b1a549
16
Hexadecimal
13bbb89
20
Vigesimal
6969c9
36
Base36
cbhxl
md5
4156a6c64a1f56685aad688c41dd0277
sha1
f0b34da3d2ff243b65571809566316ed05257197
sha256
493743d0c32552270167bfc8b2fa57ff48298bd8677ca0751d18ae06f83d397a
sha512
efa75be7e8a91dc51a5b3a19112628f24378966950eefb40f426bec492ffb847bb0f15321e152bed8a223279db2fe45130e6231595c7d91c73c22988791c494f
ripemd-160
5127675caaadd8ff6f000cd042e0f8e649017488
Diameter
41383698
Circumference
130010721.61518
Area
1.3450811100212E+15
Volume
3.710962029508E+22
Surface area
5.3803244400846E+15
Circumference
130010721.61518
Perimeter
82767396
Area
428152615038801
Diagonal
29262693.486376
Surface area
2568915690232806
Volume
8.859269259338E+21
Space diagonal
35839333.770543
Perimeter
62075547
Area
1.8539552066017E+14
Altitude
17919666.885272
Surface area
1.8539552066017E+14
Volume
1.0440748949392E+21
Height
9754231.1621254