20455979 is an odd 8-digits prime number following 20455978
and preceding 20455980 . In scientific notation, it is written as 2.0455979 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 20455978 positive integers (up to 20455979) that are relatively prime to 20455979.
20455979 has 2 divisors, whose sum is 20455980
The reverse of 20455979 is 97955402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million four hundred fifty-five thousand nine hundred seventy-nine
Scientific notation
2.0455979 × 10^7
Engineering notation
2.0455979 × 10^6
Prime Factorization
20455979
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20455979
Product of the distinct prime numbers
The prime factorization of 20455979 is 20455979.
Since it has a total of 1 prime factors.
2 , 6 , 48 , 84 , 890 , 207 , 1264 , 231 , 26469 , 81817 , 451167 , 278602 , 1357894 , 3547803 , 89856440 , 7119778 , 990792109 , 78789835 , 6709731236 , 9396331753
n×2
40911958
n×3
61367937
n×4
81823916
n×5
102279895
n÷2
10227989.5
n÷3
6818659.6666667
n÷3
5113994.75
n÷5
4091195.8
n2
418447076848441
n3
8.5597446166231E+21
n4
1.7509795612301E+29
n5
3.5818001133951E+36
2 √n
4522.8286503028
3 √n
273.48914260947
4 √n
67.251978783548
5 √n
28.984382599412
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20455980
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10227990
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4522.8287608531
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999022291
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20455979 can be divided by 2 positive divisors.
The sum of these divisors (counting 20455979) is 20455980, the average is 10227990.
Base
System
Value
2
Binary
1001110000010001000101011
3
Ternary
1102111021022212
4
Quaternary
1032002020223
5
Quinary
20214042404
6
Senary
2010235335
8
Octal
116021053
10
Decimal
20455979
12
Duodecimal
6a25b4b
16
Hexadecimal
138222b
20
Vigesimal
67gjij
36
Base36
c6fxn
md5
f3afe2d8fba96e8e90a0ce5077d6eab5
sha1
8bb6783762e73595f17e735725511dbc56a4b171
sha256
d815ff010d311636fdd24d9c6809de1e48f6ce156c425909fe1d1e12c344a8f5
sha512
b3839ee540cd7cc502545e0f3897eea57936be86c4cd4fc68088687c3f6867938464d39ba2ea4cfd0d2868c5c308be81fcd40c9e0cc31b4f4ea8eeb862acc25d
ripemd-160
8d1b3150165b88e70af0376b35caf71392f1a32a
Diameter
40911958
Circumference
128528706.69677
Area
1.3145902625432E+15
Volume
3.5854974405584E+22
Surface area
5.2583610501727E+15
Circumference
128528706.69677
Perimeter
81823916
Area
418447076848441
Diagonal
28929122.933419
Surface area
2510682461090646
Volume
8.5597446166231E+21
Space diagonal
35430794.946562
Perimeter
61367937
Area
1.8119289934504E+14
Altitude
17715397.473281
Surface area
1.8119289934504E+14
Volume
1.0087755772732E+21
Height
9643040.9778064