20455881 is an odd 8-digits composite number following 20455880
and preceding 20455882 . In scientific notation, it is written as 2.0455881 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13328000 positive integers (up to 20455881) that are relatively prime to 20455881.
20455881 has 16 divisors, whose sum is 27900288
The reverse of 20455881 is 18855402
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred fifty-five thousand eight hundred eighty-one
Scientific notation
2.0455881 × 10^7
Engineering notation
2.0455881 × 10^6
Prime Factorization
3 × 137 × 71 × 701
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20455881
Product of the distinct prime numbers
The prime factorization of 20455881 is 3 × 137 × 71 × 701.
Since it has a total of 4 prime factors.
4 , 4 , 11 , 68 , 31 , 904 , 4182 , 3257 , 10683 , 52158 , 438970 , 566731 , 7595383 , 9163606 , 35845890 , 8098436 , 282510057 , 932529347 , 8091934327 , 480733546
n×2
40911762
n×3
61367643
n×4
81823524
n×5
102279405
n÷2
10227940.5
n÷3
6818627
n÷3
5113970.25
n÷5
4091176.2
n2
418443067486161
n3
8.5596215937719E+21
n4
1.7509460072723E+29
n5
3.5817143162187E+36
2 √n
4522.8178163618
3 √n
273.48870586709
4 √n
67.251898236123
5 √n
28.984354827826
1 , 3 , 71 , 137 , 213 , 411 , 701 , 2103 , 9727 , 29181 , 49771 , 96037 , 149313 , 288111 , 6818627 , 20455881
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
-20455880
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 20455881 can be divided by 16 positive divisors.
The sum of these divisors (counting 20455881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000010000111001001
3
Ternary
1102111021012020
4
Quaternary
1032002013021
5
Quinary
20214042011
6
Senary
2010235053
8
Octal
116020711
10
Decimal
20455881
12
Duodecimal
6a25a89
16
Hexadecimal
13821c9
20
Vigesimal
67gje1
36
Base36
c6fux
md5
da913f5b25734b55dc6eabdd86db19e4
sha1
cded824a55bb84aae3d6cef3f7a880cc8456c609
sha256
bcb83be1bc32d119f5907a089de84160cd8bb674f92b30b722587de455b71bd3
sha512
3d1a5aee9fea94d93e9bca77f88ce262149c53e2fb6a3784bc0d224682b7b801f5fdafc694059be119944adac748d850ffde99249814cb1b59203942e7705bcb
ripemd-160
9114dd1557499205bd24ff224a6936341363c497
Diameter
40911762
Circumference
128528090.94461
Area
1.3145776667601E+15
Volume
3.585445908867E+22
Surface area
5.2583106670404E+15
Circumference
128528090.94461
Perimeter
81823524
Area
418443067486161
Diagonal
28928984.34049
Surface area
2510658404916966
Volume
8.5596215937719E+21
Space diagonal
35430625.205583
Perimeter
61367643
Area
1.8119116324025E+14
Altitude
17715312.602791
Surface area
1.8119116324025E+14
Volume
1.0087610788911E+21
Height
9642994.7801634