268491489 is an odd 9-digits composite number following 268491488
and preceding 268491490 . In scientific notation, it is written as 2.68491489 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 130775040 positive integers (up to 268491489) that are relatively prime to 268491489.
268491489 has 32 divisors, whose sum is 398732544
The reverse of 268491489 is 984194862
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred sixty-eight million four hundred ninety-one thousand four hundred eighty-nine
Scientific notation
2.68491489 × 10^8
Engineering notation
2.68491489 × 10^6
Prime Factorization
3 × 133 × 17 × 23 × 1721
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
268491489
Product of the distinct prime numbers
The prime factorization of 268491489 is 3 × 133 × 17 × 23 × 1721.
Since it has a total of 5 prime factors.
9 , 2 , 52 , 79 , 48 , 132 , 9478 , 209 , 7787 , 52612 , 483548 , 381755 , 293688 , 2911600 , 15076070 , 70903020 , 622607297 , 673825055 , 361626927 , 4236659937
n×2
536982978
n×3
805474467
n×4
1073965956
n×5
1342457445
n÷2
134245744.5
n÷3
89497163
n÷3
67122872.25
n÷5
53698297.8
n2
72087679665437121
n3
1.9354928451928E+25
n4
5.1966335595467E+33
n5
1.3952518821901E+42
2 √n
16385.709902229
3 √n
645.1244588866
4 √n
128.00667913132
5 √n
48.504954851766
1 , 3 , 17 , 23 , 51 , 69 , 133 , 391 , 399 , 1173 , 1721 , 2261 , 3059 , 5163 , 6783 , 9177 , 29257 , 39583 , 52003 , 87771 , 118749 , 156009 , 228893 , 672911 , 686679 , 2018733 , 3891181 , 5264539 , 11673543 , 15793617 , 89497163 , 268491489
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-268491488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 268491489 can be divided by 32 positive divisors.
The sum of these divisors (counting 268491489) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10000000000001101101011100001
3
Ternary
200201012210002020
4
Quaternary
100000031223201
5
Quinary
1022213211424
6
Senary
42350412053
8
Octal
2000155341
10
Decimal
268491489
12
Duodecimal
75b01029
16
Hexadecimal
1000dae1
20
Vigesimal
43i18e9
36
Base36
4fupcx
md5
814fd382394de90555eb866768c81435
sha1
e6544434e58ce00aa7795bfd1b245d17648a55c5
sha256
1bad8d25da0ea4e0020b72a64c2cde0a8794aaebe5282fed7e541adb82e13931
sha512
9b769ebdaaba8116a75adcf92112018fb7288cf417c6ba81451220ffaa9040eb530d2925c3c63edf9587e64926c93c247f877e0a47e43a1ba36b7bc4662f2666
ripemd-160
82b5c8a538f0c647f3f381e0d3199a1f24702412
Diameter
536982978
Circumference
1686981778.7876
Area
2.2647012485127E+17
Volume
8.1073734713778E+25
Surface area
9.0588049940509E+17
Circumference
1686981778.7876
Perimeter
1073965956
Area
72087679665437121
Diagonal
379704305.12555
Surface area
432526077992622726
Volume
1.9354928451928E+25
Space diagonal
465040900.34782
Perimeter
805474467
Area
3.1214880945072E+16
Altitude
232520450.17391
Surface area
3.1214880945072E+16
Volume
2.2810001929565E+24
Height
126568101.70852