2155409866 is an even 10-digits composite number following 2155409865
and preceding 2155409867 . In scientific notation, it is written as 2.155409866 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 1074890700 positive integers (up to 2155409866) that are relatively prime to 2155409866.
2155409866 has 8 divisors, whose sum is 3241557504
The reverse of 2155409866 is 6689045512
Previous prime number is 383
Is Prime? no Number parity even Number length 10 Sum of Digits 46 Digital Root 1
Name
two billion one hundred fifty-five million four hundred nine thousand eight hundred sixty-six
Scientific notation
2.155409866 × 10^9
Engineering notation
2.155409866 × 10^9
Prime Factorization
2 × 383 × 2813851
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
2155409866 Product of the distinct prime numbers
The prime factorization of 2155409866 is 2 × 383 × 2813851.
Since it has a total of 3 prime factors.
6 , 3 , 51 , 29 , 84 , 1 , 9533 , 5723 , 62135 , 99356 , 110351 , 698945 , 6207999 , 5049156 , 28518194 , 89282555 , 336990334 , 519090469 , 187485956 , 6862820346
n×2
4310819732
n×3
6466229598
n×4
8621639464
n×5
10777049330
n÷2
1077704933
n÷3
718469955.33333
n÷3
538852466.5
n÷5
431081973.2
n2
4645791690450137956
n3
1.0013585244977E+28
n4
2.1583380431056E+37
n5
4.6521031122728E+46
2 √n46426.39191236
3 √n1291.7445031656
4 √n215.46784426536
5 √n73.570883812553
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
-2155409865 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 2155409866 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155409866) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011110001111000111001010
3
Ternary
12120012210011111001
4
Quaternary
2000132033013022
5
Quinary
13403241103431
6
Senary
553513525214
8
Octal
20036170712
10
Decimal
2155409866
12
Duodecimal
501a1380a
16
Hexadecimal
8078f1ca
20
Vigesimal
1ddb64d6
36
Base36
zn9wwa
md5
187beafb390110208001131055b34301
sha1
f858d27e7fd74e039034ea2ca14891e30155d4bd
sha256
5a8a314ea2ec20034f23646427b8b6c5f54d0b196ea1968e0f3feb3cc35ad10a
sha512
913e4f39b20f8b74c31620837d59dad5854541248ab1a20c3d53b743d318bd050ab7d212be49f8b77e3f2396f2507ac3b5d470d092e93fa6db9f6017f2982a4c
ripemd-160
ea9146cc6be608f63b65b9bc561bfd8b9496fe32
Diameter
4310819732
Circumference
13542839601.001
Area
1.4595185044827E+19
Volume
4.1944807788953E+28
Surface area
5.8380740179307E+19
Circumference
13542839601.001
Perimeter
8621639464
Area
4645791690450137956
Diagonal
3048209864.97
Surface area
2.7874750142701E+19
Volume
1.0013585244977E+28
Space diagonal
3733279399.0472
Perimeter
6466229598
Area
2.0116868123102E+18
Altitude
1866639699.5236
Surface area
2.0116868123102E+18
Volume
1.1801123384521E+27
Height
1016069954.99