20797979 is an odd 8-digits composite number following 20797978
and preceding 20797980 . In scientific notation, it is written as 2.0797979 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 20787984 positive integers (up to 20797979) that are relatively prime to 20797979.
20797979 has 4 divisors, whose sum is 20807976
The reverse of 20797979 is 97979702
Previous prime number is 7043
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty million seven hundred ninety-seven thousand nine hundred seventy-nine
Scientific notation
2.0797979 × 10^7
Engineering notation
2.0797979 × 10^6
Prime Factorization
7043 × 2953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20797979
Product of the distinct prime numbers
The prime factorization of 20797979 is 7043 × 2953.
Since it has a total of 2 prime factors.
2 , 9 , 62 , 54 , 367 , 510 , 5954 , 4458 , 78016 , 95529 , 611114 , 419128 , 3386131 , 9540848 , 28156388 , 35476449 , 873706133 , 447710392 , 5974970378 , 514802195
n×2
41595958
n×3
62393937
n×4
83191916
n×5
103989895
n÷2
10398989.5
n÷3
6932659.6666667
n÷3
5199494.75
n÷5
4159595.8
n2
432555930484441
n3
8.9962891585409E+21
n4
1.8710463299726E+29
n5
3.8913982278797E+36
2 √n
4560.4801282321
3 √n
275.0048660296
4 √n
67.531327013706
5 √n
29.080657873596
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
-20797978
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 20797979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20797979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101101000011011
3
Ternary
1110010122110112
4
Quaternary
1033111220123
5
Quinary
20311013404
6
Senary
2021434535
8
Octal
117255033
10
Decimal
20797979
12
Duodecimal
6b6ba4b
16
Hexadecimal
13d5a1b
20
Vigesimal
69jeij
36
Base36
cdrtn
md5
afd977a9dfcd95fa7e2ebd45f8c08b22
sha1
572aeb9c44eeb0949b7ae274fefcfddfc64e3473
sha256
15ea1300f16bd9360ad6a891b92ff2a406dbff4c3109298126ed58d943c8cd69
sha512
f551ab8944dd20bb96bdebbca7656326ab76bfb8458937be0dccdd348dc1491f56fc1502e1b29542275780715dd3669da5ab7d946e5d92133caf694a17806683
ripemd-160
a702dc4139d8fdabc7cfef3aec1d46c673cfa4b1
Diameter
41595958
Circumference
130677556.07183
Area
1.3589145334766E+15
Volume
3.7683567906722E+22
Surface area
5.4356581339065E+15
Circumference
130677556.07183
Perimeter
83191916
Area
432555930484441
Diagonal
29412783.971751
Surface area
2595335582906646
Volume
8.9962891585409E+21
Space diagonal
36023156.322751
Perimeter
62393937
Area
1.8730221217857E+14
Altitude
18011578.161375
Surface area
1.8730221217857E+14
Volume
1.0602228449199E+21
Height
9804261.3239169