2155131 is an odd 7-digits composite number following 2155130
and preceding 2155132 . In scientific notation, it is written as 2.155131 × 10^6.
The sum of its digits is 18. It has a total of 5 prime factors and 18 positive divisors.
There are 1305480 positive integers (up to 2155131) that are relatively prime to 2155131.
2155131 has 18 divisors, whose sum is 3423420
The reverse of 2155131 is 1315512
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million one hundred fifty-five thousand one hundred thirty-one
Scientific notation
2.155131 × 10^6
Engineering notation
2.155131 × 10^6
Prime Factorization
3 × 3 × 11 × 11 × 1979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
65307
Product of the distinct prime numbers
The prime factorization of 2155131 is 3 × 3 × 11 × 11 × 1979.
Since it has a total of 5 prime factors.
8 , 10 , 46 , 43 , 379 , 537 , 8099 , 6351 , 67539 , 33443 , 575710 , 173144 , 725299 , 4821306 , 12415491 , 85114023 , 562679031 , 861416817 , 6888175902 , 5971083685
n×2
4310262
n×3
6465393
n×4
8620524
n×5
10775655
n÷2
1077565.5
n÷3
718377
n÷3
538782.75
n÷5
431026.2
n2
4644589627161
n3
1.0009699087773E+19
n4
2.1572212804732E+25
n5
4.6490944554074E+31
2 √n
1468.0364436893
3 √n
129.16887923138
4 √n
38.314963704659
5 √n
18.479692264243
1 , 3 , 9 , 11 , 33 , 99 , 121 , 363 , 1089 , 1979 , 5937 , 17811 , 21769 , 65307 , 195921 , 239459 , 718377 , 2155131
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155130
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155131 can be divided by 18 positive divisors.
The sum of these divisors (counting 2155131) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1000001110001001111011
3
Ternary
11001111021200
4
Quaternary
20032021323
5
Quinary
1022431011
6
Senary
114105243
8
Octal
10161173
10
Decimal
2155131
12
Duodecimal
87b223
16
Hexadecimal
20e27b
20
Vigesimal
d97gb
36
Base36
1a6wr
md5
22c25a8c8d858258dc9a43f36e7d606b
sha1
b52cfa2dc23c639b032fdb33d023bebdf63699c3
sha256
884aa545840065d0b49160fd21c887edaed4641484decc9dea974944352d5ebd
sha512
12cbedef6fe71165ff134811a952f283d15a5eda771178d14338b959340ebf3c089cc194532c4452014c073830602bb9edfa64f4ce663d61f89b7eb0316ef8f3
ripemd-160
e4f68bf231813fe6c4afd8898d91f7165f35e571
Diameter
4310262
Circumference
13541087.434247
Area
14591408651628
Volume
4.1928529491723E+19
Surface area
58365634606513
Circumference
13541087.434247
Perimeter
8620524
Area
4644589627161
Diagonal
3047815.4888907
Surface area
27867537762966
Volume
1.0009699087773E+19
Space diagonal
3732796.3889667
Perimeter
6465393
Area
2011166303637.6
Altitude
1866398.1944834
Surface area
2011166303637.6
Volume
1.1796543504335E+18
Height
1015938.4962969