2155772 is an even 7-digits composite number following 2155771
and preceding 2155773 . In scientific notation, it is written as 2.155772 × 10^6.
The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors.
There are 1077884 positive integers (up to 2155772) that are relatively prime to 2155772.
2155772 has 6 divisors, whose sum is 3772608
The reverse of 2155772 is 2775512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 29
Digital Root 2
Name
two million one hundred fifty-five thousand seven hundred seventy-two
Scientific notation
2.155772 × 10^6
Engineering notation
2.155772 × 10^6
Prime Factorization
2 × 2 × 538943
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1077886
Product of the distinct prime numbers
The prime factorization of 2155772 is 2 × 2 × 538943.
Since it has a total of 3 prime factors.
2 , 3 , 82 , 6 , 324 , 68 , 8560 , 7021 , 20962 , 8937 , 973577 , 744895 , 1174346 , 2731768 , 40149564 , 68934125 , 900740190 , 618629845 , 9728754627 , 8496698381
n×2
4311544
n×3
6467316
n×4
8623088
n×5
10778860
n÷2
1077886
n÷3
718590.66666667
n÷3
538943
n÷5
431154.4
n2
4647352915984
n3
1.0018633290397E+19
n4
2.1597889125705E+25
n5
4.6560124636299E+31
2 √n
1468.2547462889
3 √n
129.18168418294
4 √n
38.317812389135
5 √n
18.480791415405
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155772 can be divided by 6 positive divisors.
The sum of these divisors (counting 2155772) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1000001110010011111100
3
Ternary
11001112011102
4
Quaternary
20032103330
5
Quinary
1022441042
6
Senary
114112232
8
Octal
10162374
10
Decimal
2155772
12
Duodecimal
87b678
16
Hexadecimal
20e4fc
20
Vigesimal
d998c
36
Base36
1a7ek
md5
034ee8305ffaabefcaf7a8caa0e787b0
sha1
539fabe321da88160ae8dad9de2363c50b43da3d
sha256
86c87c902ab0817457de6d5010367330083aaecc11285f5d56b88d27aa2288b6
sha512
f8a2744e1c2486f3ff522d8cd0d0411b1659c93b18cff2eaab3a4f2ce9d59618aa5be9f4c91909e507aab4516f31167f641a088ccf1aa50f8939ef633971e937
ripemd-160
19e6cf25035b86e0b4b2210dc92c8abf9537be47
Diameter
4311544
Circumference
13545114.956029
Area
14600089779494
Volume
4.196595299216E+19
Surface area
58400359117978
Circumference
13545114.956029
Perimeter
8623088
Area
4647352915984
Diagonal
3048721.9997842
Surface area
27884117495904
Volume
1.0018633290397E+19
Space diagonal
3733906.6335344
Perimeter
6467316
Area
2012362842796.9
Altitude
1866953.3167672
Surface area
2012362842796.9
Volume
1.1807072563101E+18
Height
1016240.6665947