268396989 is an odd 9-digits composite number following 268396988
and preceding 268396990 . In scientific notation, it is written as 2.68396989 × 10^8.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 153369696 positive integers (up to 268396989) that are relatively prime to 268396989.
268396989 has 4 divisors, whose sum is 281177820
The reverse of 268396989 is 989693862
Previous prime number is 21
Is Prime? no Number parity odd Number length 9 Sum of Digits 60 Digital Root 6
Name
two hundred sixty-eight million three hundred ninety-six thousand nine hundred eighty-nine
Scientific notation
2.68396989 × 10^8
Engineering notation
2.68396989 × 10^6
Prime Factorization
21 × 12780809
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
268396989 Product of the distinct prime numbers
The prime factorization of 268396989 is 21 × 12780809.
Since it has a total of 2 prime factors.
5 , 9 , 87 , 82 , 991 , 311 , 1770 , 3481 , 2237 , 94252 , 476532 , 995112 , 3885822 , 784270 , 76150351 , 16252825 , 361664605 , 200373647 , 226724451 , 1250434066
n×2
536793978
n×3
805190967
n×4
1073587956
n×5
1341984945
n÷2
134198494.5
n÷3
89465663
n÷3
67099247.25
n÷5
53679397.8
n2
72036943704266121
n3
1.9334498786988E+25
n4
5.1893212582516E+33
n5
1.3927982006684E+42
2 √n16382.826038263
3 √n645.04876261351
4 √n127.99541412982
5 √n48.50153994747
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-268396988 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 268396989 can be divided by 4 positive divisors.
The sum of these divisors (counting 268396989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111111111110110100110111101
3
Ternary
200201000222110020
4
Quaternary
33333312212331
5
Quinary
1022202200424
6
Senary
42344402353
8
Octal
1777664675
10
Decimal
268396989
12
Duodecimal
75a763b9
16
Hexadecimal
fff69bd
20
Vigesimal
43h9c99
36
Base36
4fsofx
md5
771bc4ed9efeba8e4f24b124c600188b
sha1
f8dd1a9fd73d6444dd500de64cc843c50f59502d
sha256
2d0e5c7bbe6970c6d173801010f4c8ed5c352f3def548f5cc3945a108e870529
sha512
5dff5701ecf13ed227d2bcf168fb4152885ec3fd5b9ed9092e9348fe790898b1e5463b7c75aa4ae82b25ccc0e35003bdc7738df16e9e53ae478b8ffb5a10d1fe
ripemd-160
89aae6a70548d52b378406d80e4ab7716998a39b
Diameter
536793978
Circumference
1686388017.776
Area
2.2631073312838E+17
Volume
8.0988159133388E+25
Surface area
9.0524293251354E+17
Circumference
1686388017.776
Perimeter
1073587956
Area
72036943704266121
Diagonal
379570661.9439
Surface area
432221662225596726
Volume
1.9334498786988E+25
Space diagonal
464877221.54651
Perimeter
805190967
Area
3.1192911629442E+16
Altitude
232438610.77325
Surface area
3.1192911629442E+16
Volume
2.2785925338537E+24
Height
126523553.9813