20087920 is an even 8-digits composite number following 20087919
and preceding 20087921 . In scientific notation, it is written as 2.0087920 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 8035136 positive integers (up to 20087920) that are relatively prime to 20087920.
20087920 has 20 divisors, whose sum is 46704600
The reverse of 20087920 is 02978002
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eighty-seven thousand nine hundred twenty
Scientific notation
2.0087920 × 10^7
Engineering notation
2.0087920 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 251099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2510990
Product of the distinct prime numbers
The prime factorization of 20087920 is 2 × 2 × 2 × 2 × 5 × 251099.
Since it has a total of 6 prime factors.
6 , 1 , 96 , 79 , 981 , 256 , 5788 , 7574 , 88130 , 84032 , 853564 , 179121 , 1655192 , 7069250 , 66223057 , 33711459 , 943911977 , 164395597 , 9016084171 , 2358669355
n×2
40175840
n×3
60263760
n×4
80351680
n×5
100439600
n÷2
10043960
n÷3
6695973.3333333
n÷3
5021980
n÷5
4017584
n2
403524529926400
n3
8.1059684751991E+21
n4
1.6283204625232E+29
n5
3.2709571185529E+36
2 √n
4481.9549306078
3 √n
271.83893289994
4 √n
66.947404211126
5 √n
28.87932206273
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 251099 , 502198 , 1004396 , 1255495 , 2008792 , 2510990 , 4017584 , 5021980 , 10043960 , 20087920
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20087919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20087920 can be divided by 20 positive divisors.
The sum of these divisors (counting 20087920) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100101000010001110000
3
Ternary
1101210120110001
4
Quaternary
1030220101300
5
Quinary
20120303140
6
Senary
1554315344
8
Octal
114502160
10
Decimal
20087920
12
Duodecimal
6888b54
16
Hexadecimal
1328470
20
Vigesimal
65ajg0
36
Base36
byjxs
md5
f44b355e74ced8d89764af2d5292d2c6
sha1
e262696723a95503444fe866fd6a83ea74c49e69
sha256
9986ccc5211414b37766992ab5acdc92e6fde76ff52f59c2c525212f95d4877d
sha512
5f61f0a8a4336bffe8897756e11933b51072dc248fc51cc7e4e00b2c58fe829786322ac45260595e40ddedc7d025cae13f730f417addea507ff8ca7b3d00992d
ripemd-160
6890ce0b13af4b7e6f69a0ef66a87003941b1861
Diameter
40175840
Circumference
126216123.7958
Area
1.2677096987601E+15
Volume
3.3954201349221E+22
Surface area
5.0708387950402E+15
Circumference
126216123.7958
Perimeter
80351680
Area
403524529926400
Diagonal
28408608.903866
Surface area
2421147179558400
Volume
8.1059684751991E+21
Space diagonal
34793298.058379
Perimeter
60263760
Area
1.7473124698322E+14
Altitude
17396649.02919
Surface area
1.7473124698322E+14
Volume
9.5529754614961E+20
Height
9469536.3012886