20997629 is an odd 8-digits composite number following 20997628
and preceding 20997630 . In scientific notation, it is written as 2.0997629 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 20881440 positive integers (up to 20997629) that are relatively prime to 20997629.
20997629 has 4 divisors, whose sum is 21113820
The reverse of 20997629 is 92679902
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million nine hundred ninety-seven thousand six hundred twenty-nine
Scientific notation
2.0997629 × 10^7
Engineering notation
2.0997629 × 10^6
Prime Factorization
181 × 116009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20997629
Product of the distinct prime numbers
The prime factorization of 20997629 is 181 × 116009.
Since it has a total of 2 prime factors.
5 , 8 , 14 , 68 , 9 , 212 , 6735 , 6402 , 3202 , 42670 , 28987 , 720168 , 9276542 , 1751717 , 14652572 , 77664287 , 962594038 , 636966545 , 7192784277 , 7251609070
n×2
41995258
n×3
62992887
n×4
83990516
n×5
104988145
n÷2
10498814.5
n÷3
6999209.6666667
n÷3
5249407.25
n÷5
4199525.8
n2
440900423621641
n3
9.2578635211501E+21
n4
1.9439318354974E+29
n5
4.0817959483064E+36
2 √n
4582.3169903445
3 √n
275.88203405808
4 √n
67.692813432037
5 √n
29.136276616314
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20997628
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20997629 can be divided by 4 positive divisors.
The sum of these divisors (counting 20997629) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110010111111101
3
Ternary
1110111210022222
4
Quaternary
1100012113331
5
Quinary
20333411004
6
Senary
2030015125
8
Octal
120062775
10
Decimal
20997629
12
Duodecimal
70474a5
16
Hexadecimal
14065fd
20
Vigesimal
6b4e19
36
Base36
ci1vh
md5
57c8f093b2fc49ad5eca75c81549684d
sha1
7145fbe0bfc8ff1d71077590ec758eb84d260e3a
sha256
6fb604626364495946f5acb1e48980ee55e7398ddd144370230658304ef686fd
sha512
03a8d4865a9b87806883824d22c7269e647c32a12b0e9d1000a0f4fc1ca410f7a92dbbb78d6525512984b97dfe9114800fdd122f6ac723fb005b4d8463e37644
ripemd-160
90abb632f9cb0b289365050641c89915017e4ecf
Diameter
41995258
Circumference
131931994.01841
Area
1.3851295318144E+15
Volume
3.8779248034643E+22
Surface area
5.5405181272575E+15
Circumference
131931994.01841
Perimeter
83990516
Area
440900423621641
Diagonal
29695131.709479
Surface area
2645402541729846
Volume
9.2578635211501E+21
Space diagonal
36368960.266482
Perimeter
62992887
Area
1.9091548369783E+14
Altitude
18184480.133241
Surface area
1.9091548369783E+14
Volume
1.0910496791841E+21
Height
9898377.2364929