2155228 is an even 7-digits composite number following 2155227
and preceding 2155229 . In scientific notation, it is written as 2.155228 × 10^6.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 1073072 positive integers (up to 2155228) that are relatively prime to 2155228.
2155228 has 12 divisors, whose sum is 3787560
The reverse of 2155228 is 8225512
Previous prime number is 269
Is Prime? no
Number parity even
Number length 7
Sum of Digits 25
Digital Root 7
Name
two million one hundred fifty-five thousand two hundred twenty-eight
Scientific notation
2.155228 × 10^6
Engineering notation
2.155228 × 10^6
Prime Factorization
2 × 2 × 269 × 2003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1077614
Product of the distinct prime numbers
The prime factorization of 2155228 is 2 × 2 × 269 × 2003.
Since it has a total of 4 prime factors.
2 , 3 , 95 , 62 , 750 , 922 , 6027 , 4147 , 78478 , 81569 , 881234 , 52588 , 1705477 , 1606212 , 16256312 , 58065872 , 955653487 , 702550916 , 7276156308 , 4258081312
n×2
4310456
n×3
6465684
n×4
8620912
n×5
10776140
n÷2
1077614
n÷3
718409.33333333
n÷3
538807
n÷5
431045.6
n2
4645007731984
n3
1.0011050724188E+19
n4
2.1576096830191E+25
n5
4.6501408019139E+31
2 √n
1468.0694806446
3 √n
129.17081711718
4 √n
38.315394825638
5 √n
18.479858611243
1 , 2 , 4 , 269 , 538 , 1076 , 2003 , 4006 , 8012 , 538807 , 1077614 , 2155228
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
-2155227
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 2155228 can be divided by 12 positive divisors.
The sum of these divisors (counting 2155228) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000001110001011011100
3
Ternary
11001111102021
4
Quaternary
20032023130
5
Quinary
1022431403
6
Senary
114105524
8
Octal
10161334
10
Decimal
2155228
12
Duodecimal
87b2a4
16
Hexadecimal
20e2dc
20
Vigesimal
d9818
36
Base36
1a6zg
md5
d7c671936db1b65a79652b2f3af6f824
sha1
2d443fc5e919352b0b975dd65e6686416f5d3d29
sha256
36fc509d7390776f3f404c06074a468ae29f8f9cf1056dc2dce7b8321c43f55f
sha512
70d13971f8522ebe57425e491d1aefc5d6c18b265786c587cce909d719f0ec1618ed7ce2c528bab4edfcfd39cdc4bd4b9ee36cf2e161625c15ed85dd889a28d4
ripemd-160
1f85cc50ec1c2dad2615c3da677bf36b93c0a462
Diameter
4310456
Circumference
13541696.903222
Area
14592722166669
Volume
4.19341912131E+19
Surface area
58370888666675
Circumference
13541696.903222
Perimeter
8620912
Area
4645007731984
Diagonal
3047952.6676062
Surface area
27870046391904
Volume
1.0011050724188E+19
Space diagonal
3732964.3978951
Perimeter
6465684
Area
2011347348336.6
Altitude
1866482.1989475
Surface area
2011347348336.6
Volume
1.1798136423127E+18
Height
1015984.2225354