2155172 is an even 7-digits composite number following 2155171
and preceding 2155173 . In scientific notation, it is written as 2.155172 × 10^6.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 1066920 positive integers (up to 2155172) that are relatively prime to 2155172.
2155172 has 12 divisors, whose sum is 3808896
The reverse of 2155172 is 2715512
Previous prime number is 103
Is Prime? no
Number parity even
Number length 7
Sum of Digits 23
Digital Root 5
Name
two million one hundred fifty-five thousand one hundred seventy-two
Scientific notation
2.155172 × 10^6
Engineering notation
2.155172 × 10^6
Prime Factorization
2 × 2 × 103 × 5231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1077586
Product of the distinct prime numbers
The prime factorization of 2155172 is 2 × 2 × 103 × 5231.
Since it has a total of 4 prime factors.
3 , 6 , 19 , 51 , 875 , 17 , 2032 , 244 , 73402 , 85046 , 506221 , 991087 , 678257 , 5285753 , 43158951 , 47561551 , 470113191 , 271035105 , 8709764119 , 2591349672
n×2
4310344
n×3
6465516
n×4
8620688
n×5
10775860
n÷2
1077586
n÷3
718390.66666667
n÷3
538793
n÷5
431034.4
n2
4644766349584
n3
1.0010270383166E+19
n4
2.1573854442228E+25
n5
4.6495367025965E+31
2 √n
1468.0504078539
3 √n
129.16969834484
4 √n
38.315145932828
5 √n
18.479762576593
1 , 2 , 4 , 103 , 206 , 412 , 5231 , 10462 , 20924 , 538793 , 1077586 , 2155172
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155172 can be divided by 12 positive divisors.
The sum of these divisors (counting 2155172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000001110001010100100
3
Ternary
11001111100012
4
Quaternary
20032022210
5
Quinary
1022431142
6
Senary
114105352
8
Octal
10161244
10
Decimal
2155172
12
Duodecimal
87b258
16
Hexadecimal
20e2a4
20
Vigesimal
d97ic
36
Base36
1a6xw
md5
9f9e05d7efe3b8b0f8f613d8a75f4bc9
sha1
a877a12daa816e2ec4339b91a882bd0a704f051b
sha256
6492d883463716f44a71e2fc572bd62ad096c65b81c58696c9dcc6adacc0ad63
sha512
62a30e13fccbac61f0ad86fc750d3374445c07dc05f64a03f83b2d8d5542144aeab877d787b3720e3b3ebe5877f85c8ee6acbbd98c9ca4d35ac08689bf3f3938
ripemd-160
3e1dc3dfa312f9a755d216e04eb2f149d7536c74
Diameter
4310344
Circumference
13541345.044845
Area
14591963841494
Volume
4.1930922528268E+19
Surface area
58367855365977
Circumference
13541345.044845
Perimeter
8620688
Area
4644766349584
Diagonal
3047873.4716467
Surface area
27868598097504
Volume
1.0010270383166E+19
Space diagonal
3732867.4030498
Perimeter
6465516
Area
2011242826691.4
Altitude
1866433.7015249
Surface area
2011242826691.4
Volume
1.1797216782412E+18
Height
1015957.8238822