2155303987 is an odd 10-digits composite number following 2155303986
and preceding 2155303988 . In scientific notation, it is written as 2.155303987 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 2058990912 positive integers (up to 2155303987) that are relatively prime to 2155303987.
2155303987 has 8 divisors, whose sum is 2251853856
The reverse of 2155303987 is 7893035512
Previous prime number is 797
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
two billion one hundred fifty-five million three hundred three thousand nine hundred eighty-seven
Scientific notation
2.155303987 × 10^9
Engineering notation
2.155303987 × 10^9
Prime Factorization
23 × 797 × 117577
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155303987
Product of the distinct prime numbers
The prime factorization of 2155303987 is 23 × 797 × 117577.
Since it has a total of 3 prime factors.
10 , 5 , 15 , 89 , 307 , 856 , 7833 , 8282 , 35219 , 83246 , 989217 , 374990 , 2418464 , 7759020 , 64324704 , 57088715 , 346269721 , 653840133 , 3640947537 , 2677511323
n×2
4310607974
n×3
6465911961
n×4
8621215948
n×5
10776519935
n÷2
1077651993.5
n÷3
718434662.33333
n÷3
538825996.75
n÷5
431060797.4
n2
4645335276378096169
n3
1.0012109642129E+28
n4
2.1579139829963E+37
n5
4.6509606111549E+46
2 √n
46425.251609442
3 √n
1291.7233516037
4 √n
215.46519813984
5 √n
73.570161002029
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
-2155303986
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 2155303987 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155303987) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011101110101010000110011
3
Ternary
12120012120210020121
4
Quaternary
2000131311100303
5
Quinary
13403224211422
6
Senary
553511351111
8
Octal
20035652063
10
Decimal
2155303987
12
Duodecimal
501982497
16
Hexadecimal
80775433
20
Vigesimal
1ddacjj7
36
Base36
zn7n77
md5
982a21527fed70b43d069c8965e521e0
sha1
573ae5150f137323199cea4f2b857987c4e5e775
sha256
5e6de948349e09a26ae71a3b03956573ac162bc9618c863c921a5c210df1b492
sha512
ed08405e75ef18617c76510991299e6a5e5ea76fb01d8ad8888884d4124cdc353e8d5253b4b111fd9900a0299b4ded02c049fbdd7df4a3cb4b50e1cdf53c9a18
ripemd-160
8c1d644a8f6b26015fafc813f1064f8c922d9c13
Diameter
4310607974
Circumference
13542174343.624
Area
1.4593751177731E+19
Volume
4.1938626798199E+28
Surface area
5.8375004710924E+19
Circumference
13542174343.624
Perimeter
8621215948
Area
4645335276378096169
Diagonal
3048060129.4522
Surface area
2.7872011658269E+19
Volume
1.0012109642129E+28
Space diagonal
3733096011.2398
Perimeter
6465911961
Area
2.0114891792197E+18
Altitude
1866548005.6199
Surface area
2.0114891792197E+18
Volume
1.1799384369888E+27
Height
1016020043.1507