20804621 is an odd 8-digits composite number following 20804620
and preceding 20804622 . In scientific notation, it is written as 2.0804621 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20789244 positive integers (up to 20804621) that are relatively prime to 20804621.
20804621 has 4 divisors, whose sum is 20820000
The reverse of 20804621 is 12640802
Previous prime number is 1499
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eight hundred four thousand six hundred twenty-one
Scientific notation
2.0804621 × 10^7
Engineering notation
2.0804621 × 10^6
Prime Factorization
1499 × 13879
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20804621
Product of the distinct prime numbers
The prime factorization of 20804621 is 1499 × 13879.
Since it has a total of 2 prime factors.
5 , 6 , 14 , 7 , 524 , 607 , 7186 , 584 , 5089 , 77905 , 672569 , 46628 , 2192903 , 5548152 , 62483686 , 77571904 , 129881998 , 653808445 , 4364249208 , 8971098108
n×2
41609242
n×3
62413863
n×4
83218484
n×5
104023105
n÷2
10402310.5
n÷3
6934873.6666667
n÷3
5201155.25
n÷5
4160924.2
n2
432832254953641
n3
9.0049110208859E+21
n4
1.8734376092825E+29
n5
3.8976159428269E+36
2 √n
4561.2082829005
3 √n
275.03413791078
4 √n
67.536718034714
5 √n
29.082515064242
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
-20804620
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 20804621 can be divided by 4 positive divisors.
The sum of these divisors (counting 20804621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010111010000001101
3
Ternary
1110010222120112
4
Quaternary
1033113100031
5
Quinary
20311221441
6
Senary
2021525405
8
Octal
117272015
10
Decimal
20804621
12
Duodecimal
6b73865
16
Hexadecimal
13d740d
20
Vigesimal
6a0bb1
36
Base36
cdwy5
md5
d426afa25a644a0c94e5c18852fa471d
sha1
c093113430479d754b3d4bc0429c8e5be52ab5f2
sha256
994703870e6603ee51bcc652bc69a94b0a0935d4a983da7c3ec1bf330173f442
sha512
3e43d4fe79668fb26df5d52c1edc1fa6641dcfbca373d3f8e8f102f2bce27647c8e19073114db58fe8f80ca56da4c5a739ff2b697fea879dc3718b1aa9348f0d
ripemd-160
f23fedc94c700e827b6a3ea4ac4a89a7918b2e0e
Diameter
41609242
Circumference
130719288.98864
Area
1.3597826323991E+15
Volume
3.771968307926E+22
Surface area
5.4391305295963E+15
Circumference
130719288.98864
Perimeter
83218484
Area
432832254953641
Diagonal
29422177.178232
Surface area
2596993529721846
Volume
9.0049110208859E+21
Space diagonal
36034660.604214
Perimeter
62413863
Area
1.8742186418358E+14
Altitude
18017330.302107
Surface area
1.8742186418358E+14
Volume
1.0612389411416E+21
Height
9807392.392744