268181818 is an even 9-digits composite number following 268181817
and preceding 268181819 . In scientific notation, it is written as 2.68181818 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 133995516 positive integers (up to 268181818) that are relatively prime to 268181818.
268181818 has 8 divisors, whose sum is 402558912
The reverse of 268181818 is 818181862
Previous prime number is 1427
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred sixty-eight million one hundred eighty-one thousand eight hundred eighteen
Scientific notation
2.68181818 × 10^8
Engineering notation
2.68181818 × 10^6
Prime Factorization
2 × 1427 × 93967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
268181818
Product of the distinct prime numbers
The prime factorization of 268181818 is 2 × 1427 × 93967.
Since it has a total of 3 prime factors.
10 , 2 , 76 , 63 , 433 , 252 , 5622 , 5075 , 3376 , 38644 , 897523 , 291331 , 8885960 , 2404315 , 11246115 , 49296363 , 478026858 , 721318055 , 188190593 , 1157153851
n×2
536363636
n×3
804545454
n×4
1072727272
n×5
1340909090
n÷2
134090909
n÷3
89393939.333333
n÷3
67045454.5
n÷5
53636363.6
n2
71921487505785124
n3
1.9288035272566E+25
n4
5.1727003650448E+33
n5
1.387224187867E+42
2 √n
16376.257753223
3 √n
644.87634029398
4 √n
127.96975327484
5 √n
48.493760819162
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
-268181817
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 268181818 can be divided by 8 positive divisors.
The sum of these divisors (counting 268181818) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111111111000010000100111010
3
Ternary
200200122001021221
4
Quaternary
33333002010322
5
Quinary
1022123304233
6
Senary
42340022254
8
Octal
1777020472
10
Decimal
268181818
12
Duodecimal
7599198a
16
Hexadecimal
ffc213a
20
Vigesimal
43g2eai
36
Base36
4fo2ey
md5
a21192af9bdc0ae45eb7cecc636ff471
sha1
f48ffa79cfcf8373cc25e5f92f179a0e4b401610
sha256
f2e6cb579c9015ccc0d7d7df0c0ebe1db96bd49ec87049eabd4a95e8b05fd87a
sha512
dcc0ce20677d764173ef8885a51c9cbddaac8d795a0031c7be9cf0c8993a70d0ec2af025b093ffbe74dbfaf757735b1506302a4c3d9f148728bc67ca3edc0d3e
ripemd-160
bd2580c20cf5c82c1e281438b9ab30fa238abacb
Diameter
536363636
Circumference
1685036058.5103
Area
2.2594801678342E+17
Volume
8.0793533219298E+25
Surface area
9.037920671337E+17
Circumference
1685036058.5103
Perimeter
1072727272
Area
71921487505785124
Diagonal
379266364.19747
Surface area
431528925034710744
Volume
1.9288035272566E+25
Space diagonal
464504534.44219
Perimeter
804545454
Area
3.1142917628988E+16
Altitude
232252267.22109
Surface area
3.1142917628988E+16
Volume
2.2731167561661E+24
Height
126422121.39916