2155248 is an even 7-digits composite number following 2155247
and preceding 2155249 . In scientific notation, it is written as 2.155248 × 10^6.
The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors.
There are 717984 positive integers (up to 2155248) that are relatively prime to 2155248.
2155248 has 20 divisors, whose sum is 4229888
The reverse of 2155248 is 8425512
Previous prime number is 81
Is Prime? no
Number parity even
Number length 7
Sum of Digits 27
Digital Root 9
Name
two million one hundred fifty-five thousand two hundred forty-eight
Scientific notation
2.155248 × 10^6
Engineering notation
2.155248 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 81 × 1663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
269406
Product of the distinct prime numbers
The prime factorization of 2155248 is 2 × 2 × 2 × 2 × 81 × 1663.
Since it has a total of 6 prime factors.
7 , 8 , 96 , 48 , 908 , 451 , 7197 , 9006 , 61487 , 99624 , 784117 , 625303 , 4626349 , 8155222 , 21780423 , 84067758 , 827055536 , 118337830 , 6583772380 , 6969666484
n×2
4310496
n×3
6465744
n×4
8620992
n×5
10776240
n÷2
1077624
n÷3
718416
n÷3
538812
n÷5
431049.6
n2
4645093941504
n3
1.0011329427239E+19
n4
2.1576897725397E+25
n5
4.6503565668867E+31
2 √n
1468.0762922955
3 √n
129.17121667404
4 √n
38.315483714753
5 √n
18.479892908849
1 , 2 , 4 , 8 , 16 , 81 , 162 , 324 , 648 , 1296 , 1663 , 3326 , 6652 , 13304 , 26608 , 134703 , 269406 , 538812 , 1077624 , 2155248
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155247
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155248 can be divided by 20 positive divisors.
The sum of these divisors (counting 2155248) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000001110001011110000
3
Ternary
11001111110000
4
Quaternary
20032023300
5
Quinary
1022431443
6
Senary
114110000
8
Octal
10161360
10
Decimal
2155248
12
Duodecimal
87b300
16
Hexadecimal
20e2f0
20
Vigesimal
d9828
36
Base36
1a700
md5
3be4ddb3cacba394ffec3d6cd70f7a8d
sha1
0b120baa4858188b7fa2754ab9d75a217f1b1692
sha256
caae1213e6f81d9e50abc6cecb03cfdd19facd45bfd860877dd80edf567f6244
sha512
195063df574fc3e396f8690ed8f078d61b58aff935b0ec33621b4594fb52e5d64e53935e2aeac718b45a70474d8079314a22148548030ff40d800b96533922c5
ripemd-160
21846c045ac28c9fdedb7ce7e397e389cd62518f
Diameter
4310496
Circumference
13541822.566928
Area
14592993001863
Volume
4.1935358641707E+19
Surface area
58371972007454
Circumference
13541822.566928
Perimeter
8620992
Area
4645093941504
Diagonal
3047980.9518775
Surface area
27870563649024
Volume
1.0011329427239E+19
Space diagonal
3732999.0389112
Perimeter
6465744
Area
2011384678153.8
Altitude
1866499.5194556
Surface area
2011384678153.8
Volume
1.1798464877821E+18
Height
1015993.6506258