20160987 is an odd 8-digits composite number following 20160986
and preceding 20160988 . In scientific notation, it is written as 2.0160987 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 10473120 positive integers (up to 20160987) that are relatively prime to 20160987.
20160987 has 16 divisors, whose sum is 33514752
The reverse of 20160987 is 78906102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred sixty thousand nine hundred eighty-seven
Scientific notation
2.0160987 × 10^7
Engineering notation
2.0160987 × 10^6
Prime Factorization
3 × 11 × 7 × 87277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20160987
Product of the distinct prime numbers
The prime factorization of 20160987 is 3 × 11 × 7 × 87277.
Since it has a total of 4 prime factors.
9 , 3 , 45 , 5 , 183 , 376 , 4488 , 3232 , 35118 , 26370 , 258289 , 566399 , 8649401 , 9275182 , 63631101 , 38283374 , 457455590 , 692599211 , 3103728348 , 5129531757
n×2
40321974
n×3
60482961
n×4
80643948
n×5
100804935
n÷2
10080493.5
n÷3
6720329
n÷3
5040246.75
n÷5
4032197.4
n2
406465396814169
n3
8.1947435811203E+21
n4
1.652141188073E+29
n5
3.3308797014904E+36
2 √n
4490.0987739692
3 √n
272.16812612578
4 √n
67.008199304035
5 √n
28.900300461628
1 , 3 , 7 , 11 , 21 , 33 , 77 , 231 , 87277 , 261831 , 610939 , 960047 , 1832817 , 2880141 , 6720329 , 20160987
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
-20160986
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 20160987 can be divided by 16 positive divisors.
The sum of these divisors (counting 20160987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010000111011011
3
Ternary
1101221021200020
4
Quaternary
1030322013123
5
Quinary
20130122422
6
Senary
2000041523
8
Octal
114720733
10
Decimal
20160987
12
Duodecimal
69032a3
16
Hexadecimal
133a1db
20
Vigesimal
660297
36
Base36
c04bf
md5
a2b641bf2df8b9470ec8d4d59bc8e68e
sha1
1706dfbfb9f4a2b56fb4e371dfc7a3bd1541de7c
sha256
66ac0b8288cf4f17cb48603d75d70e6f4e673098d61b60780b02632874219d2d
sha512
352aca3ff7a398ed5dd10d0716bf0566075cf2a79fb4df64314fee65c6c92f4e41434317538b334a1e7f0bba096d88fe52c05c13b3017158b71ba4795415fecc
ripemd-160
653bfe79d28a11aad4a2757c135a2aadd87147af
Diameter
40321974
Circumference
126675217.29664
Area
1.2769487045699E+15
Volume
3.4326061643333E+22
Surface area
5.1077948182794E+15
Circumference
126675217.29664
Perimeter
80643948
Area
406465396814169
Diagonal
28511941.246228
Surface area
2438792380885014
Volume
8.1947435811203E+21
Space diagonal
34919853.814736
Perimeter
60482961
Area
1.760046797002E+14
Altitude
17459926.907368
Surface area
1.760046797002E+14
Volume
9.6575979271585E+20
Height
9503980.4154092