268389987 is an odd 9-digits composite number following 268389986
and preceding 268389988 . In scientific notation, it is written as 2.68389987 × 10^8.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 177049152 positive integers (up to 268389987) that are relatively prime to 268389987.
268389987 has 16 divisors, whose sum is 361626240
The reverse of 268389987 is 789983862
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
two hundred sixty-eight million three hundred eighty-nine thousand nine hundred eighty-seven
Scientific notation
2.68389987 × 10^8
Engineering notation
2.68389987 × 10^6
Prime Factorization
3 × 137 × 379 × 1723
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
268389987
Product of the distinct prime numbers
The prime factorization of 268389987 is 3 × 137 × 379 × 1723.
Since it has a total of 4 prime factors.
9 , 1 , 9 , 50 , 63 , 867 , 4454 , 5970 , 48697 , 69312 , 327481 , 975923 , 9661518 , 9659457 , 77873422 , 28488779 , 384515902 , 963221277 , 7818327322 , 4297669842
n×2
536779974
n×3
805169961
n×4
1073559948
n×5
1341949935
n÷2
134194993.5
n÷3
89463329
n÷3
67097496.75
n÷5
53677997.4
n2
72033185121860169
n3
1.9332985618425E+25
n4
5.1887797588002E+33
n5
1.3926165320102E+42
2 √n
16382.612337475
3 √n
645.04315317314
4 √n
127.99457932848
5 √n
48.50128688105
1 , 3 , 137 , 379 , 411 , 1137 , 1723 , 5169 , 51923 , 155769 , 236051 , 653017 , 708153 , 1959051 , 89463329 , 268389987
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
-268389986
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 268389987 can be divided by 16 positive divisors.
The sum of these divisors (counting 268389987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111111111110100111001100011
3
Ternary
200201000121211220
4
Quaternary
33333310321203
5
Quinary
1022201434422
6
Senary
42344310123
8
Octal
1777647143
10
Decimal
268389987
12
Duodecimal
75a72343
16
Hexadecimal
fff4e63
20
Vigesimal
43h8ej7
36
Base36
4fsj1f
md5
6d494219910db461ac6ccab944db2cbf
sha1
1612f4fef103c2c65360bb2b48cb27d1aa9976ed
sha256
7da1350120356515c2a6e269b9d5210d0fb2e4ee4d5310ba8b4124f2f0e4a020
sha512
d6cb9f23d04fb709ffc7330fb9607c86deb75a2a0c92b1cde80be75e0fceea21cb88b8aa8c14704f5b4a6f50ed11e728bc84194566c17879f78102112a8a5101
ripemd-160
79dbd082b4d5b5105579c8c11ffb76410d45abe8
Diameter
536779974
Circumference
1686344022.9125
Area
2.2629892519351E+17
Volume
8.0981820787733E+25
Surface area
9.0519570077404E+17
Circumference
1686344022.9125
Perimeter
1073559948
Area
72033185121860169
Diagonal
379560759.62054
Surface area
432199110731161014
Volume
1.9332985618425E+25
Space diagonal
464865093.72675
Perimeter
805169961
Area
3.1191284115519E+16
Altitude
232432546.86338
Surface area
3.1191284115519E+16
Volume
2.2784142052283E+24
Height
126520253.20685