20804881 is an odd 8-digits prime number following 20804880
and preceding 20804882 . In scientific notation, it is written as 2.0804881 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20804880 positive integers (up to 20804881) that are relatively prime to 20804881.
20804881 has 2 divisors, whose sum is 20804882
The reverse of 20804881 is 18840802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred four thousand eight hundred eighty-one
Scientific notation
2.0804881 × 10^7
Engineering notation
2.0804881 × 10^6
Prime Factorization
20804881
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20804881
Product of the distinct prime numbers
The prime factorization of 20804881 is 20804881.
Since it has a total of 1 prime factors.
2 , 1 , 79 , 25 , 1000 , 72 , 9469 , 673 , 43250 , 45275 , 562815 , 256419 , 1872678 , 2625323 , 21479912 , 74939942 , 286445236 , 451528902 , 5617311168 , 7838862012
n×2
41609762
n×3
62414643
n×4
83219524
n×5
104024405
n÷2
10402440.5
n÷3
6934960.3333333
n÷3
5201220.25
n÷5
4160976.2
n2
432843073424161
n3
9.0052486342639E+21
n4
1.8735312621127E+29
n5
3.8978594958035E+36
2 √n
4561.2367840313
3 √n
275.03528362704
4 √n
67.536929039091
5 √n
29.082587754017
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20804882
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10402441
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4561.2368936507
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999038687
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804881 can be divided by 2 positive divisors.
The sum of these divisors (counting 20804881) is 20804882, the average is 10402441.
Base
System
Value
2
Binary
1001111010111010100010001
3
Ternary
1110010222221011
4
Quaternary
1033113110101
5
Quinary
20311224011
6
Senary
2021530521
8
Octal
117272421
10
Decimal
20804881
12
Duodecimal
6b73a41
16
Hexadecimal
13d7511
20
Vigesimal
6a0c41
36
Base36
cdx5d
md5
08d3cf75be17ec7babcfa445a9d2b9be
sha1
9fd81081c4b47da65dc912eafc902aa8690a0a0f
sha256
c1ffb78f1a7725bb01594d2d0972af7baf0a465e63e73dd45f1d93864b71f63e
sha512
62612463a161be2a2cebe9edf5845ec549e3100dc6aa1bb728faa3b6ff54b6aa5fb6297c70fe1c3544e65f822f35ecc2044dd3e9ee2c8c24373525c2ec3d9b87
ripemd-160
e55cdb7ac2533b1e34cc3827022efdd6d83b557d
Diameter
41609762
Circumference
130720922.61682
Area
1.3598166196266E+15
Volume
3.7721097270871E+22
Surface area
5.4392664785063E+15
Circumference
130720922.61682
Perimeter
83219524
Area
432843073424161
Diagonal
29422544.873758
Surface area
2597058440544966
Volume
9.0052486342639E+21
Space diagonal
36035110.937424
Perimeter
62414643
Area
1.8742654871873E+14
Altitude
18017555.468712
Surface area
1.8742654871873E+14
Volume
1.0612787292598E+21
Height
9807514.9579194