20087811 is an odd 8-digits composite number following 20087810
and preceding 20087812 . In scientific notation, it is written as 2.0087811 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13353984 positive integers (up to 20087811) that are relatively prime to 20087811.
20087811 has 16 divisors, whose sum is 29844000
The reverse of 20087811 is 11878002
Previous prime number is 1657
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eighty-seven thousand eight hundred eleven
Scientific notation
2.0087811 × 10^7
Engineering notation
2.0087811 × 10^6
Prime Factorization
9 × 3 × 1657 × 449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20087811
Product of the distinct prime numbers
The prime factorization of 20087811 is 9 × 3 × 1657 × 449.
Since it has a total of 4 prime factors.
3 , 6 , 9 , 64 , 377 , 452 , 6519 , 2232 , 74800 , 18692 , 680950 , 813350 , 1046737 , 1264463 , 33131965 , 34282555 , 407825245 , 180928871 , 9319741689 , 2902446141
n×2
40175622
n×3
60263433
n×4
80351244
n×5
100439055
n÷2
10043905.5
n÷3
6695937
n÷3
5021952.75
n÷5
4017562.2
n2
403520150771721
n3
8.1058365233938E+21
n4
1.6282851207883E+29
n5
3.2708683760508E+36
2 √n
4481.942770719
3 √n
271.83844121975
4 √n
66.947313394332
5 √n
28.879290721975
1 , 3 , 9 , 27 , 449 , 1347 , 1657 , 4041 , 4971 , 12123 , 14913 , 44739 , 743993 , 2231979 , 6695937 , 20087811
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
-20087810
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 20087811 can be divided by 16 positive divisors.
The sum of these divisors (counting 20087811) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101000010000000011
3
Ternary
1101210120022000
4
Quaternary
1030220100003
5
Quinary
20120302221
6
Senary
1554315043
8
Octal
114502003
10
Decimal
20087811
12
Duodecimal
6888a83
16
Hexadecimal
1328403
20
Vigesimal
65ajab
36
Base36
byjur
md5
6134337598b02737c13f543e8a48044b
sha1
aeefffcc0a137cf0d2422293ea1c508ee094a9f0
sha256
65253603e51e45d34d650ff52a625a26cdd948d9d01823a64314d95ab8e7ec58
sha512
366c25f6c93214578d19578534c03a1cca907847233772d9c4838f22b60c94d671e84fb3945519f6335d78eebc6795d65e332fcb80301be2dc9809ef06a1c4b7
ripemd-160
3e4f55742283764a6f5aaf51ae275b4e3df6af9a
Diameter
40175622
Circumference
126215438.9286
Area
1.2676959412399E+15
Volume
3.3953648630792E+22
Surface area
5.0707837649595E+15
Circumference
126215438.9286
Perimeter
80351244
Area
403520150771721
Diagonal
28408454.754587
Surface area
2421120904630326
Volume
8.1058365233938E+21
Space diagonal
34793109.264841
Perimeter
60263433
Area
1.7472935075362E+14
Altitude
17396554.63242
Surface area
1.7472935075362E+14
Volume
9.5528199548023E+20
Height
9469484.9181958