1268366981 is an odd 10-digits composite number following 1268366980
and preceding 1268366982 . In scientific notation, it is written as 1.268366981 × 10^9.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 1087171692 positive integers (up to 1268366981) that are relatively prime to 1268366981.
1268366981 has 4 divisors, whose sum is 1449562272
The reverse of 1268366981 is 1896638621
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion two hundred sixty-eight million three hundred sixty-six thousand nine hundred eighty-one
Scientific notation
1.268366981 × 10^9
Engineering notation
1.268366981 × 10^9
Prime Factorization
7 × 181195283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1268366981
Product of the distinct prime numbers
The prime factorization of 1268366981 is 7 × 181195283.
Since it has a total of 2 prime factors.
4 , 8 , 90 , 9 , 37 , 279 , 8850 , 7331 , 3449 , 79745 , 547107 , 164260 , 4686296 , 166071 , 41107695 , 54529959 , 405531252 , 666865270 , 7366691447 , 7718771503
n×2
2536733962
n×3
3805100943
n×4
5073467924
n×5
6341834905
n÷2
634183490.5
n÷3
422788993.66667
n÷3
317091745.25
n÷5
253673396.2
n2
1608754798491054361
n3
2.0404914669314E+27
n4
2.588092001668E+36
n5
3.2826504387059E+45
2 √n
35614.14018336
3 √n
1082.4677739679
4 √n
188.71709033196
5 √n
66.168148961973
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
-1268366980
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 1268366981 can be divided by 4 positive divisors.
The sum of these divisors (counting 1268366981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011100110011011111010000101
3
Ternary
10021101122201101212
4
Quaternary
1023212123322011
5
Quinary
10044200220411
6
Senary
325505301205
8
Octal
11346337205
10
Decimal
1268366981
12
Duodecimal
2b4934805
16
Hexadecimal
4b99be85
20
Vigesimal
jg75h91
36
Base36
kz5i85
md5
369ba7acf43a166a454576702daac1f0
sha1
44c5f2ecd3f752324dff43819b93387d547b51ab
sha256
9a55e2c0788cf2754e6f567c8cbb6ff7b205646eed188c8846317bc78799f8c4
sha512
5fa9fc4f9225e492294ea120a835f5258f834ebc65c6f415dcc633c10f1c2f996cc1e1e799aca380d6b6f57a2743ddc69d53e5e3e6d1ae702129949d935b977c
ripemd-160
7569add298862319f44f2762da759a2124fc854e
Diameter
2536733962
Circumference
7969384779.1309
Area
5.0540522563668E+18
Volume
8.5471906696323E+27
Surface area
2.0216209025467E+19
Circumference
7969384779.1309
Perimeter
5073467924
Area
1608754798491054361
Diagonal
1793741786.5964
Surface area
9.6525287909463E+18
Volume
2.0404914669314E+27
Space diagonal
2196876053.7347
Perimeter
3805100943
Area
6.9661126197668E+17
Altitude
1098438026.8674
Surface area
6.9661126197668E+17
Volume
2.4047422553674E+26
Height
597913928.86547