2155309 is an odd 7-digits composite number following 2155308
and preceding 2155310 . In scientific notation, it is written as 2.155309 × 10^6.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 1920576 positive integers (up to 2155309) that are relatively prime to 2155309.
2155309 has 8 divisors, whose sum is 2401560
The reverse of 2155309 is 9035512
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
two million one hundred fifty-five thousand three hundred nine
Scientific notation
2.155309 × 10^6
Engineering notation
2.155309 × 10^6
Prime Factorization
13 × 29 × 5717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155309
Product of the distinct prime numbers
The prime factorization of 2155309 is 13 × 29 × 5717.
Since it has a total of 3 prime factors.
2 , 5 , 93 , 56 , 420 , 916 , 5195 , 5677 , 13980 , 84163 , 670134 , 16866 , 167806 , 9724012 , 37111863 , 58181602 , 25028025 , 659294301 , 4369473347 , 9738547543
n×2
4310618
n×3
6465927
n×4
8621236
n×5
10776545
n÷2
1077654.5
n÷3
718436.33333333
n÷3
538827.25
n÷5
431061.8
n2
4645356885481
n3
1.0012179503489E+19
n4
2.1579340593486E+25
n5
4.6510146995205E+31
2 √n
1468.0970676355
3 √n
129.17243530717
4 √n
38.315754822729
5 √n
18.479997514973
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
-2155308
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 2155309 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155309) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110001100101101
3
Ternary
11001111112021
4
Quaternary
20032030231
5
Quinary
1022432214
6
Senary
114110141
8
Octal
10161455
10
Decimal
2155309
12
Duodecimal
87b351
16
Hexadecimal
20e32d
20
Vigesimal
d9859
36
Base36
1a71p
md5
3261ed2307864a1ba235ad025f0024d8
sha1
c42a199e929c0663e6cb42fa23bdecc199261a1b
sha256
b3d2b5012ce50055d99d1613ba5df3ab5f14e7413e3a69a24d667c6545d7fec6
sha512
a5a823bd598cf4e3819f8ebb4c304abf1b5d5df41b03bcbf256986e6653b8c14cffffd96e50b0878491db8395dabacca9ec3f1b9125706929959f11901ef75d1
ripemd-160
7bb049ee1f08eb914a5fd15746fcc1623e9c4976
Diameter
4310618
Circumference
13542205.841232
Area
14593819064730
Volume
4.1938919432778E+19
Surface area
58375276258919
Circumference
13542205.841232
Perimeter
8621236
Area
4645356885481
Diagonal
3048067.2189048
Surface area
27872141312886
Volume
1.0012179503489E+19
Space diagonal
3733104.6940105
Perimeter
6465927
Area
2011498536235.8
Altitude
1866552.3470052
Surface area
2011498536235.8
Volume
1.179946670229E+18
Height
1016022.4063016