268991621 is an odd 9-digits composite number following 268991620
and preceding 268991622 . In scientific notation, it is written as 2.68991621 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 268953612 positive integers (up to 268991621) that are relatively prime to 268991621.
268991621 has 4 divisors, whose sum is 269029632
The reverse of 268991621 is 126199862
Previous prime number is 9403
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred sixty-eight million nine hundred ninety-one thousand six hundred twenty-one
Scientific notation
2.68991621 × 10^8
Engineering notation
2.68991621 × 10^6
Prime Factorization
9403 × 28607
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
268991621
Product of the distinct prime numbers
The prime factorization of 268991621 is 9403 × 28607.
Since it has a total of 2 prime factors.
10 , 7 , 63 , 79 , 828 , 421 , 9702 , 2294 , 14515 , 29302 , 935831 , 939553 , 5386432 , 8940469 , 35665166 , 95465709 , 967024243 , 967940047 , 1616555586 , 4564826640
n×2
537983242
n×3
806974863
n×4
1075966484
n×5
1344958105
n÷2
134495810.5
n÷3
89663873.666667
n÷3
67247905.25
n÷5
53798324.2
n2
72356492168207641
n3
1.94632901182E+25
n4
5.2354619588879E+33
n5
1.4082953990051E+42
2 √n
16400.964026544
3 √n
645.52477853572
4 √n
128.06624858465
5 √n
48.523011904579
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
-268991620
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 268991621 can be divided by 4 positive divisors.
The sum of these divisors (counting 268991621) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000000010000111110010000101
3
Ternary
200202011012010122
4
Quaternary
100002013302011
5
Quinary
1022330212441
6
Senary
42405231325
8
Octal
2002076205
10
Decimal
268991621
12
Duodecimal
76102545
16
Hexadecimal
10087c85
20
Vigesimal
4413j11
36
Base36
4g5f9h
md5
744c152646009eab2e73cfe5114ec956
sha1
54d998b680027f234a741b37387223525d550451
sha256
f59145eeafb0a2127c77a649e24d915c7e9241a6d9628a87f030062783fd2e18
sha512
341ac73f2986e5ab9c4eb4044305acc80b62b7eaf9efd388d29cdc8a3d5ed0d995dbc811a4b39aa0014cb52b391b0520fef75fd06bfb1a7ff9b23474dfd6c626
ripemd-160
44c27b67762f124b50f4c3b5a9c763bf736b9cc5
Diameter
537983242
Circumference
1690124200.8216
Area
2.2731462423517E+17
Volume
8.1527639000032E+25
Surface area
9.0925849694067E+17
Circumference
1690124200.8216
Perimeter
1075966484
Area
72356492168207641
Diagonal
380411598.58292
Surface area
434138953009245846
Volume
1.94632901182E+25
Space diagonal
465907154.38231
Perimeter
806974863
Area
3.1331280173199E+16
Altitude
232953577.19116
Surface area
3.1331280173199E+16
Volume
2.2937707377967E+24
Height
126803866.19431