2155303985 is an odd 10-digits composite number following 2155303984
and preceding 2155303986 . In scientific notation, it is written as 2.155303985 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 1668622320 positive integers (up to 2155303985) that are relatively prime to 2155303985.
2155303985 has 8 divisors, whose sum is 2669796096
The reverse of 2155303985 is 5893035512
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
two billion one hundred fifty-five million three hundred three thousand nine hundred eighty-five
Scientific notation
2.155303985 × 10^9
Engineering notation
2.155303985 × 10^9
Prime Factorization
5 × 31 × 13905187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155303985
Product of the distinct prime numbers
The prime factorization of 2155303985 is 5 × 31 × 13905187.
Since it has a total of 3 prime factors.
1 , 3 , 73 , 64 , 331 , 151 , 5479 , 3187 , 30931 , 94659 , 35612 , 760034 , 5306995 , 2768520 , 31242481 , 49385023 , 632751189 , 952961869 , 2031417519 , 3132342665
n×2
4310607970
n×3
6465911955
n×4
8621215940
n×5
10776519925
n÷2
1077651992.5
n÷3
718434661.66667
n÷3
538825996.25
n÷5
431060797
n2
4645335267756880225
n3
1.0012109614257E+28
n4
2.1579139749866E+37
n5
4.6509605895758E+46
2 √n
46425.251587902
3 √n
1291.7233512041
4 √n
215.46519808986
5 √n
73.570160988375
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
-2155303984
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 2155303985 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155303985) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011101110101010000110001
3
Ternary
12120012120210020112
4
Quaternary
2000131311100301
5
Quinary
13403224211420
6
Senary
553511351105
8
Octal
20035652061
10
Decimal
2155303985
12
Duodecimal
501982495
16
Hexadecimal
80775431
20
Vigesimal
1ddacjj5
36
Base36
zn7n75
md5
af215fb2782706c79afc25ef1cb9b10d
sha1
27c22bc5fb8cf0f315cd3b7e70f6e700d8129094
sha256
a7fd5ae6da5fece4bb13b9db6e17bf0a8723acdcb638ab6c1f77f9db35138da2
sha512
19bf12761f4fbcda536f40ad58eb8cbb985ae3a17247754e9e4dccd743ff6ca5e2575f5b60955790aa0da71a74cae1de9535ea9cc119090ae160809c8b74bfee
ripemd-160
63c2a4adaf29476dc40709dba1c3492142ed048c
Diameter
4310607970
Circumference
13542174331.058
Area
1.4593751150647E+19
Volume
4.1938626681449E+28
Surface area
5.8375004602586E+19
Circumference
13542174331.058
Perimeter
8621215940
Area
4645335267756880225
Diagonal
3048060126.6238
Surface area
2.7872011606541E+19
Volume
1.0012109614257E+28
Space diagonal
3733096007.7757
Perimeter
6465911955
Area
2.0114891754866E+18
Altitude
1866548003.8878
Surface area
2.0114891754866E+18
Volume
1.1799384337041E+27
Height
1016020042.2079