20997079 is an odd 8-digits composite number following 20997078
and preceding 20997080 . In scientific notation, it is written as 2.0997079 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 20986776 positive integers (up to 20997079) that are relatively prime to 20997079.
20997079 has 4 divisors, whose sum is 21007384
The reverse of 20997079 is 97079902
Previous prime number is 7507
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred ninety-seven thousand seventy-nine
Scientific notation
2.0997079 × 10^7
Engineering notation
2.0997079 × 10^6
Prime Factorization
7507 × 2797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20997079
Product of the distinct prime numbers
The prime factorization of 20997079 is 7507 × 2797.
Since it has a total of 2 prime factors.
4 , 5 , 97 , 94 , 802 , 149 , 5410 , 7833 , 68692 , 29824 , 192590 , 557028 , 7591913 , 5229171 , 8396257 , 3012788 , 832885051 , 527473754 , 4820070207 , 2386734520
n×2
41994158
n×3
62991237
n×4
83988316
n×5
104985395
n÷2
10498539.5
n÷3
6999026.3333333
n÷3
5249269.75
n÷5
4199415.8
n2
440877326532241
n3
9.2571360545063E+21
n4
1.9437281705022E+29
n5
4.0812613950559E+36
2 √n
4582.2569766437
3 √n
275.87962527113
4 √n
67.69237015088
5 √n
29.136123978889
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
-20997078
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 20997079 can be divided by 4 positive divisors.
The sum of these divisors (counting 20997079) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110001111010111
3
Ternary
1110111202120121
4
Quaternary
1100012033113
5
Quinary
20333401304
6
Senary
2030012411
8
Octal
120061727
10
Decimal
20997079
12
Duodecimal
7047107
16
Hexadecimal
14063d7
20
Vigesimal
6b4cdj
36
Base36
ci1g7
md5
e59c911d68213979d15592dc7b33dd72
sha1
b983f5af36a0d0ff61533239d13f8d1fed613ea9
sha256
80badb0e4e1914ce92abb79a4222231f32382b8952acb38ca357e33e2a1f7b2b
sha512
0f62f626a631dfaa6a72725795d3cf440ae288044495d132306818eaf0d49a5a28814ea3e9aef700bf98c028e07bb0494d8d6af491ea6d8542f3d133160a9db4
ripemd-160
2ca5f3439f74c2c258730d34dfd4993aeb600ef5
Diameter
41994158
Circumference
131928538.26649
Area
1.385056970168E+15
Volume
3.8776200829491E+22
Surface area
5.540227880672E+15
Circumference
131928538.26649
Perimeter
83988316
Area
440877326532241
Diagonal
29694353.892019
Surface area
2645263959193446
Volume
9.2571360545063E+21
Space diagonal
36368007.638538
Perimeter
62991237
Area
1.9090548236474E+14
Altitude
18184003.819269
Surface area
1.9090548236474E+14
Volume
1.090963946418E+21
Height
9898117.9640064