2155471894 is an even 10-digits composite number following 2155471893
and preceding 2155471895 . In scientific notation, it is written as 2.155471894 × 10^9.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 1077735946 positive integers (up to 2155471894) that are relatively prime to 2155471894.
2155471894 has 4 divisors, whose sum is 3233207844
The reverse of 2155471894 is 4981745512
Previous prime number is 2
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 seventy-one thousand eight hundred ninety-four
Scientific notation
2.155471894 × 10^9
Engineering notation
2.155471894 × 10^9
Prime Factorization
2 × 1077735947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2155471894
Product of the distinct prime numbers
The prime factorization of 2155471894 is 2 × 1077735947.
Since it has a total of 2 prime factors.
2 , 1 , 96 , 77 , 911 , 639 , 311 , 9470 , 19913 , 51551 , 844659 , 822317 , 706906 , 6077690 , 56491753 , 95814918 , 241228330 , 411378627 , 3932754896 , 617529600
n×2
4310943788
n×3
6466415682
n×4
8621887576
n×5
10777359470
n÷2
1077735947
n÷3
718490631.33333
n÷3
538867973.5
n÷5
431094378.8
n2
4646059085823947236
n3
1.0014449777357E+28
n4
2.1585865028967E+37
n5
4.6527725377616E+46
2 √n
46427.059932759
3 √n
1291.7568942442
4 √n
215.46939442241
5 √n
73.571307249628
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155471893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155471894 can be divided by 4 positive divisors.
The sum of these divisors (counting 2155471894) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000000011110011110010000010110
3
Ternary
12120012220022120101
4
Quaternary
2000132132100112
5
Quinary
13403300100034
6
Senary
553515124314
8
Octal
20036362026
10
Decimal
2155471894
12
Duodecimal
501a4369a
16
Hexadecimal
8079e416
20
Vigesimal
1ddbdjee
36
Base36
znb8ra
md5
b3751a63e2f2a9980f3723339d4986fb
sha1
ecdb3cc63b962331f45cdad8292fada17f0efbd7
sha256
a38b65c091645cd6f6f0bbdd9c5a823f70e977e8fb80432e08ed25b669c56c4a
sha512
70a2a74b23b2c3dde30b4dbdc91946698a3ac28816bc470460419fe705fdf5c868dbfeb26481efa5605fa385f81797d6ec7e1e83c4e60c450f78302366ea27eb
ripemd-160
e6d9a7ea89c92ebeecb5a1a195c9a8b8d7ddb63c
Diameter
4310943788
Circumference
13543229334.419
Area
1.4596025092169E+19
Volume
4.1948429133718E+28
Surface area
5.8384100368674E+19
Circumference
13543229334.419
Perimeter
8621887576
Area
4646059085823947236
Diagonal
3048297585.8088
Surface area
2.7876354514944E+19
Volume
1.0014449777357E+28
Space diagonal
3733386834.6947
Perimeter
6466415682
Area
2.0118025979035E+18
Altitude
1866693417.3474
Surface area
2.0118025979035E+18
Volume
1.1802142245702E+27
Height
1016099195.2696