20804872 is an even 8-digits composite number following 20804871
and preceding 20804873 . In scientific notation, it is written as 2.0804872 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 8899840 positive integers (up to 20804872) that are relatively prime to 20804872.
20804872 has 32 divisors, whose sum is 45061920
The reverse of 20804872 is 27840802
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred four thousand eight hundred seventy-two
Scientific notation
2.0804872 × 10^7
Engineering notation
2.0804872 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 17 × 13907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5201218
Product of the distinct prime numbers
The prime factorization of 20804872 is 2 × 2 × 2 × 11 × 17 × 13907.
Since it has a total of 6 prime factors.
7 , 4 , 48 , 14 , 833 , 656 , 805 , 4988 , 93010 , 46763 , 366194 , 595794 , 6565661 , 2205152 , 55666454 , 79100705 , 124158936 , 171686993 , 9542185863 , 2241521830
n×2
41609744
n×3
62414616
n×4
83219488
n×5
104024360
n÷2
10402436
n÷3
6934957.3333333
n÷3
5201218
n÷5
4160974.4
n2
432842698936384
n3
9.005236947506E+21
n4
1.8735280202253E+29
n5
3.8978510649201E+36
2 √n
4561.2357974566
3 √n
275.03524396779
4 √n
67.536921735127
5 √n
29.082585237845
1 , 2 , 4 , 8 , 11 , 17 , 22 , 34 , 44 , 68 , 88 , 136 , 187 , 374 , 748 , 1496 , 13907 , 27814 , 55628 , 111256 , 152977 , 236419 , 305954 , 472838 , 611908 , 945676 , 1223816 , 1891352 , 2600609 , 5201218 , 10402436 , 20804872
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804872 can be divided by 32 positive divisors.
The sum of these divisors (counting 20804872) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010111010100001000
3
Ternary
1110010222220211
4
Quaternary
1033113110020
5
Quinary
20311223442
6
Senary
2021530504
8
Octal
117272410
10
Decimal
20804872
12
Duodecimal
6b73a34
16
Hexadecimal
13d7508
20
Vigesimal
6a0c3c
36
Base36
cdx54
md5
c78bce7715dd30b224cacf472d3efff8
sha1
2b78e34245c3c205a34d52beebf3c93c94a57a5f
sha256
4502843b1ab0e0a6d073441a581285989aee95ba7705872e4adf5b852940624d
sha512
fc2f7c124f3da9bd123792a902fa73be176592070ffc43d27681b43dbe549ce04904e139ffe421eba4b4e5b89f44792b4e437df47a06093b91ccbeafb171c88e
ripemd-160
93c371d9d81808b59a96cd6d770de247547adea3
Diameter
41609744
Circumference
130720866.06815
Area
1.3598154431385E+15
Volume
3.7721048317494E+22
Surface area
5.4392617725541E+15
Circumference
130720866.06815
Perimeter
83219488
Area
432842698936384
Diagonal
29422532.145836
Surface area
2597056193618304
Volume
9.005236947506E+21
Space diagonal
36035095.348967
Perimeter
62414616
Area
1.8742638656076E+14
Altitude
18017547.674484
Surface area
1.8742638656076E+14
Volume
1.0612773519622E+21
Height
9807510.7152788