2155231 is an odd 7-digits composite number following 2155230
and preceding 2155232 . In scientific notation, it is written as 2.155231 × 10^6.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 1976832 positive integers (up to 2155231) that are relatively prime to 2155231.
2155231 has 8 divisors, whose sum is 2335760
The reverse of 2155231 is 1325512
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 19
Digital Root 1
Name
two million one hundred fifty-five thousand two hundred thirty-one
Scientific notation
2.155231 × 10^6
Engineering notation
2.155231 × 10^6
Prime Factorization
13 × 193 × 859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155231
Product of the distinct prime numbers
The prime factorization of 2155231 is 13 × 193 × 859.
Since it has a total of 3 prime factors.
9 , 2 , 18 , 36 , 860 , 747 , 2234 , 5092 , 28751 , 6134 , 27594 , 286608 , 6061175 , 4206982 , 51736763 , 47336078 , 986710665 , 491998001 , 9262691070 , 2549639922
n×2
4310462
n×3
6465693
n×4
8620924
n×5
10776155
n÷2
1077615.5
n÷3
718410.33333333
n÷3
538807.75
n÷5
431046.2
n2
4645020663361
n3
1.0011092529316E+19
n4
2.1576216963051E+25
n5
4.6501731661493E+31
2 √n
1468.0705023942
3 √n
129.17087705087
4 √n
38.315408159045
5 √n
18.4798637559
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
-2155230
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 2155231 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155231) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110001011011111
3
Ternary
11001111102101
4
Quaternary
20032023133
5
Quinary
1022431411
6
Senary
114105531
8
Octal
10161337
10
Decimal
2155231
12
Duodecimal
87b2a7
16
Hexadecimal
20e2df
20
Vigesimal
d981b
36
Base36
1a6zj
md5
22b3566dc46b9311dcc5f209b49531aa
sha1
56c03daf56a86e4cfef8d413ad476bbc4237a2ab
sha256
9d46040046f2a73091401b7b6af2513a2ab159c713c252de3f8ff63afc693ad9
sha512
caab8e98f6766074e91af6507ac3a45ab59a4e472dc6b379b63a2398159509df89c5edf2933a3b9c21e1b4c63c559776921278a6a66c6ad8adae164a017d96b3
ripemd-160
a50e0b5cc91114ee6e2aa391d5962b7a3e377859
Diameter
4310462
Circumference
13541715.752778
Area
14592762791788
Volume
4.193436632601E+19
Surface area
58371051167151
Circumference
13541715.752778
Perimeter
8620924
Area
4645020663361
Diagonal
3047956.9102469
Surface area
27870123980166
Volume
1.0011092529316E+19
Space diagonal
3732969.5940475
Perimeter
6465693
Area
2011352947787.1
Altitude
1866484.7970237
Surface area
2011352947787.1
Volume
1.1798185690942E+18
Height
1015985.636749