2155265 is an odd 7-digits composite number following 2155264
and preceding 2155266 . In scientific notation, it is written as 2.155265 × 10^6.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 1397088 positive integers (up to 2155265) that are relatively prime to 2155265.
2155265 has 8 divisors, whose sum is 2594688
The reverse of 2155265 is 5625512
Previous prime number is 931
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
two million one hundred fifty-five thousand two hundred sixty-five
Scientific notation
2.155265 × 10^6
Engineering notation
2.155265 × 10^6
Prime Factorization
5 × 931 × 463
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155265
Product of the distinct prime numbers
The prime factorization of 2155265 is 5 × 931 × 463.
Since it has a total of 3 prime factors.
2 , 10 , 92 , 11 , 657 , 17 , 1714 , 6372 , 72513 , 69334 , 816630 , 736445 , 8052770 , 2631232 , 59967343 , 87748191 , 487502450 , 709374689 , 4259175282 , 2590484174
n×2
4310530
n×3
6465795
n×4
8621060
n×5
10776325
n÷2
1077632.5
n÷3
718421.66666667
n÷3
538816.25
n÷5
431053
n2
4645167220225
n3
1.0011566328898E+19
n4
2.1577578503853E+25
n5
4.6505399734106E+31
2 √n
1468.0820821739
3 √n
129.17155629542
4 √n
38.315559270013
5 √n
18.479922061613
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
-2155264
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 2155265 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155265) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110001100000001
3
Ternary
11001111110122
4
Quaternary
20032030001
5
Quinary
1022432030
6
Senary
114110025
8
Octal
10161401
10
Decimal
2155265
12
Duodecimal
87b315
16
Hexadecimal
20e301
20
Vigesimal
d9835
36
Base36
1a70h
md5
89641bca0fa5122a72572002b81877dd
sha1
e5830e6b2d1db8f050f7cd02536607807458832b
sha256
1fff510152e7c9635f0a934551520c80ec68a9dee0cd2974fb8d1702101ec51a
sha512
650d2c6a858674226e56b6058ec6a249c1e3a34dd2e70a88c0d0f796cb05e59570f52e71c72ec1dc212a284d8e91dcb33d55dc79a1725886383bb3d42c66a3b6
ripemd-160
fffd906972bb630978eacb54f36873459e30dd5f
Diameter
4310530
Circumference
13541929.381078
Area
14593223213755
Volume
4.1936350973058E+19
Surface area
58372892855020
Circumference
13541929.381078
Perimeter
8621060
Area
4645167220225
Diagonal
3048004.993508
Surface area
27871003321350
Volume
1.0011566328898E+19
Space diagonal
3733028.4837749
Perimeter
6465795
Area
2011416408770.8
Altitude
1866514.2418875
Surface area
2011416408770.8
Volume
1.1798744069105E+18
Height
1016001.6645027