2128045391 is an odd 10-digits composite number following 2128045390
and preceding 2128045392 . In scientific notation, it is written as 2.128045391 × 10^9.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 2014891200 positive integers (up to 2128045391) that are relatively prime to 2128045391.
2128045391 has 8 divisors, whose sum is 2241327600
The reverse of 2128045391 is 1935408212
Previous prime number is 1801
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
two billion one hundred twenty-eight million forty-five thousand three hundred ninety-one
Scientific notation
2.128045391 × 10^9
Engineering notation
2.128045391 × 10^9
Prime Factorization
19 × 1801 × 62189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2128045391
Product of the distinct prime numbers
The prime factorization of 2128045391 is 19 × 1801 × 62189.
Since it has a total of 3 prime factors.
7 , 6 , 18 , 5 , 853 , 363 , 556 , 2058 , 28062 , 78767 , 401084 , 38455 , 4403863 , 2766720 , 35727820 , 35651199 , 563094294 , 635939060 , 7746831027 , 9215732295
n×2
4256090782
n×3
6384136173
n×4
8512181564
n×5
10640226955
n÷2
1064022695.5
n÷3
709348463.66667
n÷3
532011347.75
n÷5
425609078.2
n2
4528577186156342881
n3
9.6370178087878E+27
n4
2.0508011330976E+37
n5
4.3641978991459E+46
2 √n
46130.742363417
3 √n
1286.2546635697
4 √n
214.78068433502
5 √n
73.383120828529
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
-2128045390
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 2128045391 can be divided by 8 positive divisors.
The sum of these divisors (counting 2128045391) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111110110101110110010101001111
3
Ternary
12111022021220110222
4
Quaternary
1332311312111033
5
Quinary
13324234423031
6
Senary
551055221555
8
Octal
17665662517
10
Decimal
2128045391
12
Duodecimal
4b48178bb
16
Hexadecimal
7ed7654f
20
Vigesimal
1d505d9b
36
Base36
z6zebz
md5
2fe3e5e1c4489eabb68a5f4232914041
sha1
7a821e3611faa257dd2aaa2b7b97ca0eaed040e4
sha256
7e8e1fc2102d47a50e05e3563e6abb0c5c8ddbfc61dd41a11eacad2eb40533c6
sha512
05a3cc0bcc73bc3dc7c6c9b8640f9f386fabeece0e204e089759289c758a4369af1fd26fdc3a6cca0bfcd95048c5a9924c7ce15166e3ebe40882dcae527a34c0
ripemd-160
c2962aaf8167dee5f619d6939a97cc7f22c13b33
Diameter
4256090782
Circumference
13370903533.742
Area
1.4226944819243E+19
Volume
4.0367445800802E+28
Surface area
5.6907779276972E+19
Circumference
13370903533.742
Perimeter
8512181564
Area
4528577186156342881
Diagonal
3009510653.2978
Surface area
2.7171463116938E+19
Volume
9.6370178087878E+27
Space diagonal
3685882738.0248
Perimeter
6384136173
Area
1.960931443105E+18
Altitude
1842941369.0124
Surface area
1.960931443105E+18
Volume
1.1357334405016E+27
Height
1003170217.7659