2155406 is an even 7-digits composite number following 2155405
and preceding 2155407 . In scientific notation, it is written as 2.155406 × 10^6.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 979720 positive integers (up to 2155406) that are relatively prime to 2155406.
2155406 has 8 divisors, whose sum is 3527064
The reverse of 2155406 is 6045512
Previous prime number is 11
Is Prime? no
Number parity even
Number length 7
Sum of Digits 23
Digital Root 5
Name
two million one hundred fifty-five thousand four hundred six
Scientific notation
2.155406 × 10^6
Engineering notation
2.155406 × 10^6
Prime Factorization
2 × 11 × 97973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155406
Product of the distinct prime numbers
The prime factorization of 2155406 is 2 × 11 × 97973.
Since it has a total of 3 prime factors.
1 , 4 , 31 , 45 , 956 , 970 , 2697 , 2074 , 92862 , 85633 , 395566 , 2749 , 852714 , 8261740 , 92582913 , 89060014 , 563803456 , 694917738 , 9525099260 , 7645452885
n×2
4310812
n×3
6466218
n×4
8621624
n×5
10777030
n÷2
1077703
n÷3
718468.66666667
n÷3
538851.5
n÷5
431081.2
n2
4645775024836
n3
1.0013531363182E+19
n4
2.158322558139E+25
n5
4.6520613917481E+31
2 √n
1468.1301032265
3 √n
129.17437308628
4 √n
38.316185917006
5 √n
18.480163850983
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
-2155405
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 2155406 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155406) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110001110001110
3
Ternary
11001111122212
4
Quaternary
20032032032
5
Quinary
1022433111
6
Senary
114110422
8
Octal
10161616
10
Decimal
2155406
12
Duodecimal
87b412
16
Hexadecimal
20e38e
20
Vigesimal
d98a6
36
Base36
1a74e
md5
d4ef421bd5c19d94fcb00c4e280c54a1
sha1
4ec580c8a4841eabe3fd44fc6178c8e39263f0f9
sha256
ec7bc07ca744d114bc0d93e94fc1c472c788b8361101256ce8cf281b27e15fde
sha512
d745b04384c37e4039916af68abb2646c80f9922f16537181a6fb73f8a4dfb4a7317f888964350c68637781e8dc6c791bec59676eac434449c6d760eb2295a47
ripemd-160
51e8cd0aaf1d4a1b81ffded7db2ddbdfb29d2d9b
Diameter
4310812
Circumference
13542815.310207
Area
14595132688256
Volume
4.1944582089417E+19
Surface area
58380530753023
Circumference
13542815.310207
Perimeter
8621624
Area
4645775024836
Diagonal
3048204.3976203
Surface area
27874650149016
Volume
1.0013531363182E+19
Space diagonal
3733272.7029388
Perimeter
6466218
Area
2011679595887.6
Altitude
1866636.3514694
Surface area
2011679595887.6
Volume
1.1801059884217E+18
Height
1016068.1325401