20991629 is an odd 8-digits composite number following 20991628
and preceding 20991630 . In scientific notation, it is written as 2.0991629 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 20614176 positive integers (up to 20991629) that are relatively prime to 20991629.
20991629 has 8 divisors, whose sum is 21372480
The reverse of 20991629 is 92619902
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety-one thousand six hundred twenty-nine
Scientific notation
2.0991629 × 10^7
Engineering notation
2.0991629 × 10^6
Prime Factorization
89 × 163 × 1447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20991629
Product of the distinct prime numbers
The prime factorization of 20991629 is 89 × 163 × 1447.
Since it has a total of 3 prime factors.
7 , 6 , 39 , 46 , 724 , 960 , 9370 , 4655 , 91197 , 91550 , 699911 , 691795 , 5095615 , 3695740 , 54125687 , 571802 , 673755215 , 35294514 , 4354327303 , 8752725969
n×2
41983258
n×3
62974887
n×4
83966516
n×5
104958145
n÷2
10495814.5
n÷3
6997209.6666667
n÷3
5247907.25
n÷5
4198325.8
n2
440648488073641
n3
9.2499295810528E+21
n4
1.9417109004159E+29
n5
4.0759674846786E+36
2 √n
4581.6622529383
3 √n
275.8557541085
4 √n
67.687977166838
5 √n
29.134611307868
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
-20991628
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 20991629 can be divided by 8 positive divisors.
The sum of these divisors (counting 20991629) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000100111010001101
3
Ternary
1110111111002202
4
Quaternary
1100010322031
5
Quinary
20333213004
6
Senary
2025531245
8
Octal
120047215
10
Decimal
20991629
12
Duodecimal
7043b25
16
Hexadecimal
1404e8d
20
Vigesimal
6b3j19
36
Base36
chx8t
md5
0b8972568c50f069e99e9ac478f82916
sha1
0696426ebac8443cdf8c49a84eab5aff855e64d9
sha256
7bafd9029b495336dde712e4be570c8dc237cc3c8b3a900ae6dc6ec892839a75
sha512
4d5c85bcb6c1fa847c1ddb0449c9c7718b8542653cd0aa5bfe6634384cc60fef3413ce74181fe94cdc1c52464fbc0566ec5118c22819525ad877c84e391e2599
ripemd-160
dfb790df07eaaa1e0cb38bba22bdcda8415c3d71
Diameter
41983258
Circumference
131894294.90656
Area
1.3843380529476E+15
Volume
3.8746014424078E+22
Surface area
5.5373522117904E+15
Circumference
131894294.90656
Perimeter
83966516
Area
440648488073641
Diagonal
29686646.428104
Surface area
2643890928441846
Volume
9.2499295810528E+21
Space diagonal
36358567.961636
Perimeter
62974887
Area
1.9080639240549E+14
Altitude
18179283.980818
Surface area
1.9080639240549E+14
Volume
1.0901146553767E+21
Height
9895548.8093681