20993917 is an odd 8-digits composite number following 20993916
and preceding 20993918 . In scientific notation, it is written as 2.0993917 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 16304112 positive integers (up to 20993917) that are relatively prime to 20993917.
20993917 has 8 divisors, whose sum is 22239360
The reverse of 20993917 is 71939902
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million nine hundred ninety-three thousand nine hundred seventeen
Scientific notation
2.0993917 × 10^7
Engineering notation
2.0993917 × 10^6
Prime Factorization
161 × 19 × 6863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20993917
Product of the distinct prime numbers
The prime factorization of 20993917 is 161 × 19 × 6863.
Since it has a total of 3 prime factors.
2 , 10 , 43 , 73 , 159 , 244 , 4288 , 3033 , 9511 , 68260 , 520811 , 201816 , 4569399 , 7547996 , 842201 , 23880513 , 192266714 , 798019726 , 5471491448 , 1822768799
n×2
41987834
n×3
62981751
n×4
83975668
n×5
104969585
n÷2
10496958.5
n÷3
6997972.3333333
n÷3
5248479.25
n÷5
4198783.4
n2
440744551002889
n3
9.2529545219569E+21
n4
1.9425575923874E+29
n5
4.0781892862301E+36
2 √n
4581.9119371721
3 √n
275.8657761199
4 √n
67.689821518247
5 √n
29.135246390401
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
-20993916
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 20993917 can be divided by 8 positive divisors.
The sum of these divisors (counting 20993917) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000101011101111101
3
Ternary
1110111121020111
4
Quaternary
1100011131331
5
Quinary
20333301132
6
Senary
2025550021
8
Octal
120053575
10
Decimal
20993917
12
Duodecimal
7045311
16
Hexadecimal
140577d
20
Vigesimal
6b44fh
36
Base36
chz0d
md5
960beaf826f5f43816d15afd8f8b7fdf
sha1
05d06174a386e8aeb39365d54b73049c6b7372ed
sha256
15ca117633a160d7a4c112e1b2d20d786a6ce1313acfc0d344de549828fd8ed2
sha512
69221303bfb74bb37ea49388aa85349be24b92dd40ed6cc1c7e0a9d40a9e1c7d697950040639cb5a8cf9b381a1f92085e14f86401a9223f48447c9e45d43a117
ripemd-160
abca95d04412dcf58c8371e4a839c9c113552e7f
Diameter
41987834
Circumference
131908670.83455
Area
1.3846398435404E+15
Volume
3.8758685266907E+22
Surface area
5.5385593741616E+15
Circumference
131908670.83455
Perimeter
83975668
Area
440744551002889
Diagonal
29689882.148735
Surface area
2644467306017334
Volume
9.2529545219569E+21
Space diagonal
36362530.893884
Perimeter
62981751
Area
1.9084798887403E+14
Altitude
18181265.446942
Surface area
1.9084798887403E+14
Volume
1.0904711480811E+21
Height
9896627.3829117