268087989 is an odd 9-digits composite number following 268087988
and preceding 268087990 . In scientific notation, it is written as 2.68087989 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 164851008 positive integers (up to 268087989) that are relatively prime to 268087989.
268087989 has 16 divisors, whose sum is 385241472
The reverse of 268087989 is 989780862
Previous prime number is 2423
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
two hundred sixty-eight million eighty-seven thousand nine hundred eighty-nine
Scientific notation
2.68087989 × 10^8
Engineering notation
2.68087989 × 10^6
Prime Factorization
3 × 13 × 2423 × 2837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
268087989
Product of the distinct prime numbers
The prime factorization of 268087989 is 3 × 13 × 2423 × 2837.
Since it has a total of 4 prime factors.
9 , 8 , 42 , 81 , 510 , 533 , 4990 , 7006 , 47993 , 24949 , 908918 , 936133 , 3724997 , 8292473 , 2998376 , 83894693 , 905045922 , 61484043 , 3424626808 , 3899480842
n×2
536175978
n×3
804263967
n×4
1072351956
n×5
1340439945
n÷2
134043994.5
n÷3
89362663
n÷3
67021997.25
n÷5
53617597.8
n2
71871169846064121
n3
1.9267797391109E+25
n4
5.1654650550418E+33
n5
1.3847991388559E+42
2 √n
16373.392715012
3 √n
644.80112371065
4 √n
127.95855858446
5 √n
48.490367033533
1 , 3 , 13 , 39 , 2423 , 2837 , 7269 , 8511 , 31499 , 36881 , 94497 , 110643 , 6874051 , 20622153 , 89362663 , 268087989
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
-268087988
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 268087989 can be divided by 16 positive divisors.
The sum of these divisors (counting 268087989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111111110101011001010110101
3
Ternary
200200110021120210
4
Quaternary
33332223022311
5
Quinary
1022112303424
6
Senary
42334020033
8
Octal
1776531265
10
Decimal
268087989
12
Duodecimal
75947619
16
Hexadecimal
ffab2b5
20
Vigesimal
43fajj9
36
Base36
4fm20l
md5
634df829d9761dc436f3baaea2d9a0f0
sha1
c9715179d8be1b4b8e07df3237ab8e4943364290
sha256
cd6b4d71dbe42b198e9b2b13b1c750f0b236306158af1a74f3cea2ce21eaef00
sha512
31e46209efa7199d1f78b6ea70593b8e878b965723b5db75019863bd45d367de8b77e26e83eee70dd4933fce0a5fc293f64c44d6c15ca311b27a0c286f7af647
ripemd-160
b1ff9eb84a49b22721e6f2a8a99fb95b9526e622
Diameter
536175978
Circumference
1684446513.5161
Area
2.257899391933E+17
Volume
8.0708760979685E+25
Surface area
9.031597567732E+17
Circumference
1684446513.5161
Perimeter
1072351956
Area
71871169846064121
Diagonal
379133669.95313
Surface area
431227019076384726
Volume
1.9267797391109E+25
Space diagonal
464342017.84697
Perimeter
804263967
Area
3.1121129443199E+16
Altitude
232171008.92348
Surface area
3.1121129443199E+16
Volume
2.2707316989636E+24
Height
126377889.98438