20804891 is an odd 8-digits prime number following 20804890
and preceding 20804892 . In scientific notation, it is written as 2.0804891 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 20804890 positive integers (up to 20804891) that are relatively prime to 20804891.
20804891 has 2 divisors, whose sum is 20804892
The reverse of 20804891 is 19840802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred four thousand eight hundred ninety-one
Scientific notation
2.0804891 × 10^7
Engineering notation
2.0804891 × 10^6
Prime Factorization
20804891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20804891
Product of the distinct prime numbers
The prime factorization of 20804891 is 20804891.
Since it has a total of 1 prime factors.
10 , 6 , 55 , 78 , 134 , 413 , 2701 , 1998 , 23149 , 49272 , 101838 , 178089 , 3315560 , 1421246 , 4188613 , 28647331 , 665078532 , 762450428 , 7418432516 , 896567703
n×2
41609782
n×3
62414673
n×4
83219564
n×5
104024455
n÷2
10402445.5
n÷3
6934963.6666667
n÷3
5201222.75
n÷5
4160978.2
n2
432843489521881
n3
9.0052616195624E+21
n4
1.8735348642148E+29
n5
3.8978688634688E+36
2 √n
4561.2378802251
3 √n
275.03532769286
4 √n
67.536937154605
5 √n
29.082590549763
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20804892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10402446
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4561.2379898444
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999038688
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804891 can be divided by 2 positive divisors.
The sum of these divisors (counting 20804891) is 20804892, the average is 10402446.
Base
System
Value
2
Binary
1001111010111010100011011
3
Ternary
1110010222221112
4
Quaternary
1033113110123
5
Quinary
20311224031
6
Senary
2021530535
8
Octal
117272433
10
Decimal
20804891
12
Duodecimal
6b73a4b
16
Hexadecimal
13d751b
20
Vigesimal
6a0c4b
36
Base36
cdx5n
md5
5f557b861c24c71fea5007ffa2c0c920
sha1
ad5b4791f28e3231791dc823dba7e5db18c75e14
sha256
a731bb3c7f6fa9adb06356668a074dc0a0c99ad1c5320a3484a1b822aac8061e
sha512
1e5654def6462c6de57f5a3d3f8a3ce98724585a12e6da7653ab579a537285272dc9a67ed336022979244530d30d90b8f501014379cb522266a1fde2198ca411
ripemd-160
7784534d045aa31b714077d72ff61bdbe881c009
Diameter
41609782
Circumference
130720985.44867
Area
1.3598179268361E+15
Volume
3.7721151663562E+22
Surface area
5.4392717073444E+15
Circumference
130720985.44867
Perimeter
83219564
Area
432843489521881
Diagonal
29422559.015894
Surface area
2597060937131286
Volume
9.0052616195624E+21
Space diagonal
36035128.257932
Perimeter
62414673
Area
1.8742672889433E+14
Altitude
18017564.128966
Surface area
1.8742672889433E+14
Volume
1.0612802595919E+21
Height
9807519.6719646