2155144 is an even 7-digits composite number following 2155143
and preceding 2155145 . In scientific notation, it is written as 2.155144 × 10^6.
The sum of its digits is 22. It has a total of 4 prime factors and 8 positive divisors.
There are 1077568 positive integers (up to 2155144) that are relatively prime to 2155144.
2155144 has 8 divisors, whose sum is 4040910
The reverse of 2155144 is 4415512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 22
Digital Root 4
Name
two million one hundred fifty-five thousand one hundred forty-four
Scientific notation
2.155144 × 10^6
Engineering notation
2.155144 × 10^6
Prime Factorization
2 × 2 × 2 × 269393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
538786
Product of the distinct prime numbers
The prime factorization of 2155144 is 2 × 2 × 2 × 269393.
Since it has a total of 4 prime factors.
5 , 10 , 61 , 85 , 329 , 564 , 6574 , 3418 , 24572 , 45468 , 417817 , 137077 , 2782368 , 3048367 , 62557402 , 44186335 , 851718407 , 814114456 , 8073999120 , 8070806557
n×2
4310288
n×3
6465432
n×4
8620576
n×5
10775720
n÷2
1077572
n÷3
718381.33333333
n÷3
538786
n÷5
431028.8
n2
4644645660736
n3
1.0009880227861E+19
n4
2.1572733313794E+25
n5
4.6492346764823E+31
2 √n
1468.0408713656
3 √n
129.16913895141
4 √n
38.315021484604
5 √n
18.479714558519
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
-2155143
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 2155144 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155144) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110001010001000
3
Ternary
11001111022011
4
Quaternary
20032022020
5
Quinary
1022431034
6
Senary
114105304
8
Octal
10161210
10
Decimal
2155144
12
Duodecimal
87b234
16
Hexadecimal
20e288
20
Vigesimal
d97h4
36
Base36
1a6x4
md5
c3102dda165e0e96a84d49a4cec66549
sha1
f4df090db83e119ecc9da41ef7fcf300ca82cbf7
sha256
019653233f59022f1e55dd595d80cfb9b648e6b0d2992406e2e7994b52fe0eb6
sha512
e966bb71dcfbd51769c3836053bdf8b6e347d8f89a7413da5ccdb9590af3d076a9c648e38574b374254d89ef672d1c34f61a4de55e8e4bf6fac0852bc305e5df
ripemd-160
fed582548977c4db362256a348cbab81e5d61677
Diameter
4310288
Circumference
13541169.115656
Area
14591584686296
Volume
4.192928824955E+19
Surface area
58366338745184
Circumference
13541169.115656
Perimeter
8620576
Area
4644645660736
Diagonal
3047833.873667
Surface area
27867873964416
Volume
1.0009880227861E+19
Space diagonal
3732818.9056272
Perimeter
6465432
Area
2011190566887.3
Altitude
1866409.4528136
Surface area
2011190566887.3
Volume
1.1796756979976E+18
Height
1015944.6245557