20991692 is an even 8-digits composite number following 20991691
and preceding 20991693 . In scientific notation, it is written as 2.0991692 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 10459440 positive integers (up to 20991692) that are relatively prime to 20991692.
20991692 has 12 divisors, whose sum is 36862896
The reverse of 20991692 is 29619902
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety-one thousand six hundred ninety-two
Scientific notation
2.0991692 × 10^7
Engineering notation
2.0991692 × 10^6
Prime Factorization
2 × 2 × 293 × 17911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10495846
Product of the distinct prime numbers
The prime factorization of 20991692 is 2 × 2 × 293 × 17911.
Since it has a total of 4 prime factors.
6 , 1 , 55 , 80 , 527 , 863 , 5731 , 1347 , 19552 , 53801 , 796932 , 518430 , 6370789 , 4209284 , 87184926 , 84284777 , 541581392 , 186057632 , 2906378424 , 1703318438
n×2
41983384
n×3
62975076
n×4
83966768
n×5
104958460
n÷2
10495846
n÷3
6997230.6666667
n÷3
5247923
n÷5
4198338.4
n2
440651133022864
n3
9.250012863867E+21
n4
1.9417342103433E+29
n5
4.0760286489391E+36
2 √n
4581.6691281672
3 √n
275.85603007398
4 √n
67.688027953008
5 √n
29.134628795585
1 , 2 , 4 , 293 , 586 , 1172 , 17911 , 35822 , 71644 , 5247923 , 10495846 , 20991692
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20991691
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20991692 can be divided by 12 positive divisors.
The sum of these divisors (counting 20991692) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000100111011001100
3
Ternary
1110111111012002
4
Quaternary
1100010323030
5
Quinary
20333213232
6
Senary
2025531432
8
Octal
120047314
10
Decimal
20991692
12
Duodecimal
7043b78
16
Hexadecimal
1404ecc
20
Vigesimal
6b3j4c
36
Base36
chxak
md5
36c17162264f6f20da16d0a46bd33935
sha1
67f6dcf0a874ed78b684d2a1084fe2f4ab3b0e9c
sha256
c407f732e3e901bfb103675e52e242934379652e357eebdfb83a18927fdaaaad
sha512
6c3dcf737cc4d3cc5b750a675c3b40de29f97b4f3891cf1034ecda0e7346c4d1449d53efb90795b86270ded1b2878546c09dad88c7fd1af78da14ca5496d9b29
ripemd-160
fa4eee5edee960886d163b7ebf7dfe44a6ecc914
Diameter
41983384
Circumference
131894690.74724
Area
1.3843463623006E+15
Volume
3.8746363278314E+22
Surface area
5.5373854492026E+15
Circumference
131894690.74724
Perimeter
83966768
Area
440651133022864
Diagonal
29686735.523559
Surface area
2643906798137184
Volume
9.250012863867E+21
Space diagonal
36358677.080837
Perimeter
62975076
Area
1.908075377021E+14
Altitude
18179338.540419
Surface area
1.908075377021E+14
Volume
1.0901244703505E+21
Height
9895578.5078529