20155545 is an odd 8-digits composite number following 20155544
and preceding 20155546 . In scientific notation, it is written as 2.0155545 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 10749600 positive integers (up to 20155545) that are relatively prime to 20155545.
20155545 has 4 divisors, whose sum is 20603492
The reverse of 20155545 is 54555102
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred fifty-five thousand five hundred forty-five
Scientific notation
2.0155545 × 10^7
Engineering notation
2.0155545 × 10^6
Prime Factorization
45 × 447901
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20155545
Product of the distinct prime numbers
The prime factorization of 20155545 is 45 × 447901.
Since it has a total of 2 prime factors.
7 , 1 , 13 , 31 , 314 , 984 , 3927 , 5441 , 29990 , 39649 , 630485 , 781059 , 9902638 , 9683940 , 42769607 , 998398 , 995214404 , 217061795 , 9792859544 , 8354338997
n×2
40311090
n×3
60466635
n×4
80622180
n×5
100777725
n÷2
10077772.5
n÷3
6718515
n÷3
5038886.25
n÷5
4031109
n2
406245994247025
n3
8.1881094181157E+21
n4
1.6503580784175E+29
n5
3.3263866515658E+36
2 √n
4489.4927330379
3 √n
272.14363538981
4 √n
67.003677011324
5 √n
28.898740097356
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
-20155544
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 20155545 can be divided by 4 positive divisors.
The sum of these divisors (counting 20155545) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111000110010011001
3
Ternary
1101221000012200
4
Quaternary
1030320302121
5
Quinary
20124434140
6
Senary
2000000413
8
Octal
114706231
10
Decimal
20155545
12
Duodecimal
6900109
16
Hexadecimal
1338c99
20
Vigesimal
65j8h5
36
Base36
c0049
md5
ed18579ba35834ef2e16166cbaa5fa80
sha1
e07c5df26c136093bdefa487ad7506e1260145ae
sha256
9680e49bcf1d1470f4d07de3e120ef777097702503f15ded86fc104b7419f33c
sha512
1d1f7b038fbb1662d86f1164bf204a7029983bf33c02dc886bea911248c2e1e2a883997abac52ac7126eccff38428a5046bb0f6971e33c8589e66613176af34f
ripemd-160
2f3e3ce3e94d75baa9cc18df485766011544b6e0
Diameter
40311090
Circumference
126641024.2022
Area
1.2762594310767E+15
Volume
3.4298272526322E+22
Surface area
5.1050377243069E+15
Circumference
126641024.2022
Perimeter
80622180
Area
406245994247025
Diagonal
28504245.096021
Surface area
2437475965482150
Volume
8.1881094181157E+21
Space diagonal
34910427.994241
Perimeter
60466635
Area
1.759096756018E+14
Altitude
17455213.99712
Surface area
1.759096756018E+14
Volume
9.6497794910784E+20
Height
9501415.0320071