268889721 is an odd 9-digits composite number following 268889720
and preceding 268889722 . In scientific notation, it is written as 2.68889721 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 178056432 positive integers (up to 268889721) that are relatively prime to 268889721.
268889721 has 8 divisors, whose sum is 360926400
The reverse of 268889721 is 127988862
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred sixty-eight million eight hundred eighty-nine thousand seven hundred twenty-one
Scientific notation
2.68889721 × 10^8
Engineering notation
2.68889721 × 10^6
Prime Factorization
3 × 149 × 601543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
268889721
Product of the distinct prime numbers
The prime factorization of 268889721 is 3 × 149 × 601543.
Since it has a total of 3 prime factors.
4 , 8 , 64 , 47 , 643 , 503 , 8205 , 1183 , 17677 , 56752 , 46920 , 221249 , 1155951 , 9839919 , 12486335 , 34085006 , 332241071 , 145217602 , 7583437179 , 8901145615
n×2
537779442
n×3
806669163
n×4
1075558884
n×5
1344448605
n÷2
134444860.5
n÷3
89629907
n÷3
67222430.25
n÷5
53777944.2
n2
72301682059457841
n3
1.9441179116798E+25
n4
5.2275332286269E+33
n5
1.4056299513637E+42
2 √n
16397.857207574
3 √n
645.44325519977
4 √n
128.05411827651
5 √n
48.519335028475
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-268889720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 268889721 can be divided by 8 positive divisors.
The sum of these divisors (counting 268889721) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000001101110111001111001
3
Ternary
200201222000100120
4
Quaternary
100001232321321
5
Quinary
1022313432341
6
Senary
42403123453
8
Octal
2001567171
10
Decimal
268889721
12
Duodecimal
76073589
16
Hexadecimal
1006ee79
20
Vigesimal
440b461
36
Base36
4g38mx
md5
7e7a6a555798edfe5c3b2c9aed6c0e45
sha1
de075ae19bf467c5a36c5612d8cdbd20e3838dd3
sha256
333d66056f3af22e67979db5cceae2c3f4acede83331a987b8032f453cd5bf79
sha512
39fdd3c2428e0caa475fa611d19af5225c7deaa6905905dde7fa925e0d72215c99ae57d24f8d156a51a0e0dc250119c21697e1fda12b50669880e029d8358cab
ripemd-160
baa3fcc69cd7f60bd6cb0f66a4923373146bd4dc
Diameter
537779442
Circumference
1689483944.2388
Area
2.2714243320018E+17
Volume
8.1435020653943E+25
Surface area
9.0856973280071E+17
Circumference
1689483944.2388
Perimeter
1075558884
Area
72301682059457841
Diagonal
380267490.22092
Surface area
433810092356747046
Volume
1.9441179116798E+25
Space diagonal
465730658.40502
Perimeter
806669163
Area
3.1307546699918E+16
Altitude
232865329.20251
Surface area
3.1307546699918E+16
Volume
2.2911649312917E+24
Height
126755830.07364