20081587 is an odd 8-digits prime number following 20081586
and preceding 20081588 . In scientific notation, it is written as 2.0081587 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20081586 positive integers (up to 20081587) that are relatively prime to 20081587.
20081587 has 2 divisors, whose sum is 20081588
The reverse of 20081587 is 78518002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eighty-one thousand five hundred eighty-seven
Scientific notation
2.0081587 × 10^7
Engineering notation
2.0081587 × 10^6
Prime Factorization
20081587
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20081587
Product of the distinct prime numbers
The prime factorization of 20081587 is 20081587.
Since it has a total of 1 prime factors.
9 , 3 , 43 , 59 , 983 , 673 , 7656 , 9795 , 19626 , 30446 , 717002 , 697862 , 210112 , 3476283 , 54494272 , 93970295 , 675064970 , 591903884 , 7442890560 , 2213610421
n×2
40163174
n×3
60244761
n×4
80326348
n×5
100407935
n÷2
10040793.5
n÷3
6693862.3333333
n÷3
5020396.75
n÷5
4016317.4
n2
403270136438569
n3
8.098304329393E+21
n4
1.6262680294318E+29
n5
3.2658042918354E+36
2 √n
4481.248375174
3 √n
271.81036287861
4 √n
66.942127058931
5 √n
28.877500910368
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20081588
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10040794
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4481.2484867501
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999004063
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081587 can be divided by 2 positive divisors.
The sum of these divisors (counting 20081587) is 20081588, the average is 10040794.
Base
System
Value
2
Binary
1001100100110101110110011
3
Ternary
1101210020202111
4
Quaternary
1030212232303
5
Quinary
20120102322
6
Senary
1554230151
8
Octal
114465663
10
Decimal
20081587
12
Duodecimal
6885357
16
Hexadecimal
1326bb3
20
Vigesimal
65a3j7
36
Base36
byf1v
md5
12e0cc002f3cdad8aac56d0774ef1a29
sha1
d894043e4b73334177964ecd243a63fa0202c0ec
sha256
e7f4f2cb67f400227f079b93dae49a9a8024f247ad1ee6116b03a633c8c06a70
sha512
18059337cd5df56cb3eb1f46127371148da01db448a7d857960536852d18315586280127c8690cd2405657d5dd8ac546d8ac921082f4906d8325bc46f9e8257f
ripemd-160
ef9a9107fce5e6c16495a3d14933f47621f76d35
Diameter
40163174
Circumference
126176332.38325
Area
1.2669104980476E+15
Volume
3.3922097850341E+22
Surface area
5.0676419921902E+15
Circumference
126176332.38325
Perimeter
80326348
Area
403270136438569
Diagonal
28399652.689375
Surface area
2419620818631414
Volume
8.098304329393E+21
Space diagonal
34782328.980615
Perimeter
60244761
Area
1.7462109137171E+14
Altitude
17391164.490307
Surface area
1.7462109137171E+14
Volume
9.5439431790436E+20
Height
9466550.8964584