20777987 is an odd 8-digits composite number following 20777986
and preceding 20777988 . In scientific notation, it is written as 2.0777987 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 20294736 positive integers (up to 20777987) that are relatively prime to 20777987.
20777987 has 4 divisors, whose sum is 21261240
The reverse of 20777987 is 78977702
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million seven hundred seventy-seven thousand nine hundred eighty-seven
Scientific notation
2.0777987 × 10^7
Engineering notation
2.0777987 × 10^6
Prime Factorization
43 × 483209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20777987
Product of the distinct prime numbers
The prime factorization of 20777987 is 43 × 483209.
Since it has a total of 2 prime factors.
9 , 6 , 15 , 68 , 503 , 908 , 3286 , 8306 , 4792 , 98841 , 136109 , 339444 , 8103892 , 4110625 , 18208032 , 32197799 , 424306705 , 788502834 , 3339261393 , 7419075010
n×2
41555974
n×3
62333961
n×4
83111948
n×5
103889935
n÷2
10388993.5
n÷3
6925995.6666667
n÷3
5194496.75
n÷5
4155597.4
n2
431724743772169
n3
8.9703711136765E+21
n4
1.8638625438514E+29
n5
3.8727311705932E+36
2 √n
4558.2877267676
3 √n
274.91672189092
4 √n
67.515092585048
5 √n
29.075064982273
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20777986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20777987 can be divided by 4 positive divisors.
The sum of these divisors (counting 20777987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010000110000000011
3
Ternary
1110002122001002
4
Quaternary
1033100300003
5
Quinary
20304343422
6
Senary
2021202215
8
Octal
117206003
10
Decimal
20777987
12
Duodecimal
6b6036b
16
Hexadecimal
13d0c03
20
Vigesimal
69h4j7
36
Base36
cdceb
md5
c2ca8bfde9c38f68b00eeade067c506f
sha1
0a4fd6c1e5080543883eee3f0b743f93ea9ca571
sha256
f441f5cbcf679f354c980097a5ba6d00bfb44f52d7d09ed68342b6021bdb3b3b
sha512
13c58b8cdbe6870110e5fe46caf2249a6843c0a2873da57452bd20d6b8af389f7a0426c765e464d628ef11529aa9d326d710fe0584620371182ed54fb97202f4
ripemd-160
d5bdfb0e8d51355adee9db599040c7dc5823ffca
Diameter
41555974
Circumference
130551942.63117
Area
1.3563032834076E+15
Volume
3.7575002654267E+22
Surface area
5.4252131336303E+15
Circumference
130551942.63117
Perimeter
83111948
Area
431724743772169
Diagonal
29384511.014212
Surface area
2590348462633014
Volume
8.9703711136765E+21
Space diagonal
35988529.163006
Perimeter
62333961
Area
1.8694229777451E+14
Altitude
17994264.581503
Surface area
1.8694229777451E+14
Volume
1.0571683740401E+21
Height
9794837.0047373