20455545 is an odd 8-digits composite number following 20455544
and preceding 20455546 . In scientific notation, it is written as 2.0455545 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9917760 positive integers (up to 20455545) that are relatively prime to 20455545.
20455545 has 16 divisors, whose sum is 35704512
The reverse of 20455545 is 54555402
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred fifty-five thousand five hundred forty-five
Scientific notation
2.0455545 × 10^7
Engineering notation
2.0455545 × 10^6
Prime Factorization
5 × 3 × 11 × 123973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20455545
Product of the distinct prime numbers
The prime factorization of 20455545 is 5 × 3 × 11 × 123973.
Since it has a total of 4 prime factors.
10 , 7 , 46 , 97 , 466 , 496 , 3514 , 6811 , 77951 , 17356 , 49680 , 868913 , 6089201 , 1341604 , 27498429 , 72825990 , 419813658 , 765149746 , 7622397349 , 7593657673
n×2
40911090
n×3
61366635
n×4
81822180
n×5
102277725
n÷2
10227772.5
n÷3
6818515
n÷3
5113886.25
n÷5
4091109
n2
418429321247025
n3
8.559199810088E+21
n4
1.7508309687925E+29
n5
3.5814201669528E+36
2 √n
4522.7806712243
3 √n
273.48720845406
4 √n
67.251622071325
5 √n
28.98425961015
1 , 3 , 5 , 11 , 15 , 33 , 55 , 165 , 123973 , 371919 , 619865 , 1363703 , 1859595 , 4091109 , 6818515 , 20455545
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20455544
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20455545 can be divided by 16 positive divisors.
The sum of these divisors (counting 20455545) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000010000001111001
3
Ternary
1102111020201210
4
Quaternary
1032002001321
5
Quinary
20214034140
6
Senary
2010233333
8
Octal
116020171
10
Decimal
20455545
12
Duodecimal
6a25849
16
Hexadecimal
1382079
20
Vigesimal
67gih5
36
Base36
c6fll
md5
03ed8949b6c1745a00d2cc4d2c99c89d
sha1
ecff8092b8dea6238c4266eb12291468e563c414
sha256
c66d14447bfe9fef11de96fd2111f1401a9650569b9549b9b11a51f0e36a21ad
sha512
3e0fcfe309273450cb306a710e3eb5e78145d70d385d4a75ed9e420a12cee3faa0a9287cc19204a537afc9c5e526e3930d99af2ed3544763751956a5840e6a1e
ripemd-160
ebbf60b472f3ae7218751031f6d55d31182085f0
Diameter
40911090
Circumference
128525979.79435
Area
1.3145344816762E+15
Volume
3.5852692325306E+22
Surface area
5.2581379267049E+15
Circumference
128525979.79435
Perimeter
81822180
Area
418429321247025
Diagonal
28928509.164733
Surface area
2510575927482150
Volume
8.559199810088E+21
Space diagonal
35430043.236512
Perimeter
61366635
Area
1.811852109441E+14
Altitude
17715021.618256
Surface area
1.811852109441E+14
Volume
1.0087113712073E+21
Height
9642836.3882444