20776987 is an odd 8-digits composite number following 20776986
and preceding 20776988 . In scientific notation, it is written as 2.0776987 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 16107840 positive integers (up to 20776987) that are relatively prime to 20776987.
20776987 has 16 divisors, whose sum is 26035200
The reverse of 20776987 is 78967702
Previous prime number is 1129
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million seven hundred seventy-six thousand nine hundred eighty-seven
Scientific notation
2.0776987 × 10^7
Engineering notation
2.0776987 × 10^6
Prime Factorization
7 × 11 × 1129 × 239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20776987
Product of the distinct prime numbers
The prime factorization of 20776987 is 7 × 11 × 1129 × 239.
Since it has a total of 4 prime factors.
2 , 1 , 60 , 58 , 473 , 74 , 3965 , 4789 , 19682 , 43210 , 685622 , 805316 , 3347085 , 3942632 , 98206028 , 69719423 , 481881084 , 766628864 , 6492612768 , 2917210025
n×2
41553974
n×3
62330961
n×4
83107948
n×5
103884935
n÷2
10388493.5
n÷3
6925662.3333333
n÷3
5194246.75
n÷5
4155397.4
n2
431683188798169
n3
8.9690760017781E+21
n4
1.8635037549096E+29
n5
3.8717993290207E+36
2 √n
4558.1780351364
3 √n
274.91231143588
4 √n
67.514280231196
5 √n
29.074785112768
1 , 7 , 11 , 77 , 239 , 1129 , 1673 , 2629 , 7903 , 12419 , 18403 , 86933 , 269831 , 1888817 , 2968141 , 20776987
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
-20776986
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 20776987 can be divided by 16 positive divisors.
The sum of these divisors (counting 20776987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010000100000011011
3
Ternary
1110002120200001
4
Quaternary
1033100200123
5
Quinary
20304330422
6
Senary
2021153431
8
Octal
117204033
10
Decimal
20776987
12
Duodecimal
6b5b877
16
Hexadecimal
13d081b
20
Vigesimal
69h297
36
Base36
cdbmj
md5
fa058839d7cc497f49cd57e78b5ec8bb
sha1
775980e329663227ff7c08bec8872eafe347fa89
sha256
970889a01cd89a8eedc80420978f2587ff6a59222e943442a3ad61c9de5d5fb8
sha512
ee5c76a304dc148cb436d5cd4bf7aace432e76b00a3b8ad01d8df065a09f7ddd0ddb11af28363e74e6c069082aed21478aa5c659e2030e02f15adff58f425c89
ripemd-160
8389c69c439727afa344c64b3ac713dc2edf5c6b
Diameter
41553974
Circumference
130545659.44586
Area
1.3561727346065E+15
Volume
3.7569577702233E+22
Surface area
5.4246909384262E+15
Circumference
130545659.44586
Perimeter
83107948
Area
431683188798169
Diagonal
29383096.800649
Surface area
2590099132789014
Volume
8.9690760017781E+21
Space diagonal
35986797.112198
Perimeter
62330961
Area
1.8692430394294E+14
Altitude
17993398.556099
Surface area
1.8692430394294E+14
Volume
1.0570157436391E+21
Height
9794365.6002165