20804870 is an even 8-digits composite number following 20804869
and preceding 20804871 . In scientific notation, it is written as 2.0804870 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 8265504 positive integers (up to 20804870) that are relatively prime to 20804870.
20804870 has 16 divisors, whose sum is 37702800
The reverse of 20804870 is 07840802
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million eight hundred four thousand eight hundred seventy
Scientific notation
2.0804870 × 10^7
Engineering notation
2.0804870 × 10^6
Prime Factorization
2 × 5 × 149 × 13963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20804870
Product of the distinct prime numbers
The prime factorization of 20804870 is 2 × 5 × 149 × 13963.
Since it has a total of 4 prime factors.
5 , 9 , 97 , 36 , 565 , 570 , 8126 , 9255 , 92305 , 39536 , 916164 , 416460 , 7622719 , 7436617 , 25470864 , 94627533 , 524617127 , 322598897 , 1226263545 , 4062805620
n×2
41609740
n×3
62414610
n×4
83219480
n×5
104024350
n÷2
10402435
n÷3
6934956.6666667
n÷3
5201217.5
n÷5
4160974
n2
432842615716900
n3
9.0052343504501E+21
n4
1.8735272998065E+29
n5
3.8978491913925E+36
2 √n
4561.2355782178
3 √n
275.03523515462
4 √n
67.536920112023
5 √n
29.082584678695
1 , 2 , 5 , 10 , 149 , 298 , 745 , 1490 , 13963 , 27926 , 69815 , 139630 , 2080487 , 4160974 , 10402435 , 20804870
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
-20804869
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 20804870 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111010100000110
3
Ternary
1110010222220202
4
Quaternary
1033113110012
5
Quinary
20311223440
6
Senary
2021530502
8
Octal
117272406
10
Decimal
20804870
12
Duodecimal
6b73a32
16
Hexadecimal
13d7506
20
Vigesimal
6a0c3a
36
Base36
cdx52
md5
a747db9b8824152c9f781b7f9fe820c8
sha1
67241f5f546e0f72e69c4cad0e2ddd2152887477
sha256
fe9e19a95e37f989d9506a63adf4d3de6277e26591fbdeb9d4fb3a20a13ff98e
sha512
87d53a93da2f838b584f5b9a04d738693bf8589c3171030f4b2fdb31887ec0da052815bdb476b9802962df749f820ff5936705c7b7993a07a90ecc86d31f6486
ripemd-160
ce648d4c6cd94604446256e04592d24963bf3ef2
Diameter
41609740
Circumference
130720853.50178
Area
1.3598151816968E+15
Volume
3.7721037438971E+22
Surface area
5.4392607267872E+15
Circumference
130720853.50178
Perimeter
83219480
Area
432842615716900
Diagonal
29422529.317409
Surface area
2597055694301400
Volume
9.0052343504501E+21
Space diagonal
36035091.884866
Perimeter
62414610
Area
1.8742635052567E+14
Altitude
18017545.942433
Surface area
1.8742635052567E+14
Volume
1.0612770458962E+21
Height
9807509.7724697