2665431681 is an odd 10-digits composite number following 2665431680
and preceding 2665431682 . In scientific notation, it is written as 2.665431681 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 1615412920 positive integers (up to 2665431681) that are relatively prime to 2665431681.
2665431681 has 12 divisors, whose sum is 3906363216
The reverse of 2665431681 is 1861345662
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
two billion six hundred sixty-five million four hundred thirty-one thousand six hundred eighty-one
Scientific notation
2.665431681 × 10^9
Engineering notation
2.665431681 × 10^9
Prime Factorization
3 × 11 × 11 × 7342787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
242311971
Product of the distinct prime numbers
The prime factorization of 2665431681 is 3 × 11 × 11 × 7342787.
Since it has a total of 4 prime factors.
1 , 3 , 89 , 41 , 950 , 6 , 8587 , 4495 , 85354 , 33052 , 887939 , 352740 , 9426744 , 6105959 , 34342733 , 67010751 , 531393540 , 664524685 , 26967381 , 4215723153
n×2
5330863362
n×3
7996295043
n×4
10661726724
n×5
13327158405
n÷2
1332715840.5
n÷3
888477227
n÷3
666357920.25
n÷5
533086336.2
n2
7104526046078485761
n3
1.8936628801707E+28
n4
5.0474290339408E+37
n5
1.3453577254665E+47
2 √n
51627.818867351
3 √n
1386.5084428367
4 √n
227.21755844862
5 √n
76.763277835015
1 , 3 , 11 , 33 , 121 , 363 , 7342787 , 22028361 , 80770657 , 242311971 , 888477227 , 2665431681
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2665431680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2665431681 can be divided by 12 positive divisors.
The sum of these divisors (counting 2665431681) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10011110110111110100001010000001
3
Ternary
20212202110221212220
4
Quaternary
2132313310022001
5
Quinary
20424322303211
6
Senary
1120253241253
8
Octal
23667641201
10
Decimal
2665431681
12
Duodecimal
624793229
16
Hexadecimal
9edf4281
20
Vigesimal
21ciij41
36
Base36
182xg8x
md5
512454fb52023627e3b2f341d3fb2a6b
sha1
0cb31889da45e7e5e155c3b14ee50a14397c674d
sha256
92119fd8e843eddf8a49042c2d53d318d444be71e46b5cd1b39df02e459af685
sha512
5c24839e919aa916a4f786848061b347a4227af161910f342e0e536ed300722f0ec7706debcdfd5513decb7173b5833e6e4cce5cb168036e8e69fd5de0888579
ripemd-160
08846e0fab837e581927c6a05b19b3a81427be1f
Diameter
5330863362
Circumference
16747401175.35
Area
2.2319526833598E+19
Volume
7.9321565236267E+28
Surface area
8.927810733439E+19
Circumference
16747401175.35
Perimeter
10661726724
Area
7104526046078485761
Diagonal
3769489632.8491
Surface area
4.2627156276471E+19
Volume
1.8936628801707E+28
Space diagonal
4616663095.5957
Perimeter
7996295043
Area
3.0763500188761E+18
Altitude
2308331547.7979
Surface area
3.0763500188761E+18
Volume
2.2317031064166E+27
Height
1256496544.283