2155684 is an even 7-digits composite number following 2155683
and preceding 2155685 . In scientific notation, it is written as 2.155684 × 10^6.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 1077840 positive integers (up to 2155684) that are relatively prime to 2155684.
2155684 has 6 divisors, whose sum is 3772454
The reverse of 2155684 is 4865512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
two million one hundred fifty-five thousand six hundred eighty-four
Scientific notation
2.155684 × 10^6
Engineering notation
2.155684 × 10^6
Prime Factorization
2 × 2 × 538921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1077842
Product of the distinct prime numbers
The prime factorization of 2155684 is 2 × 2 × 538921.
Since it has a total of 3 prime factors.
3 , 7 , 15 , 13 , 566 , 768 , 3905 , 4258 , 89989 , 1588 , 635981 , 924755 , 4098456 , 3799237 , 97756082 , 97129886 , 608901176 , 599488283 , 9419342057 , 5279953525
n×2
4311368
n×3
6467052
n×4
8622736
n×5
10778420
n÷2
1077842
n÷3
718561.33333333
n÷3
538921
n÷5
431136.8
n2
4646973507856
n3
1.0017406439309E+19
n4
2.1594362782715E+25
n5
4.6550622340895E+31
2 √n
1468.2247784314
3 √n
129.1799263992
4 √n
38.31742134371
5 √n
18.480640533383
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
-2155683
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 2155684 can be divided by 6 positive divisors.
The sum of these divisors (counting 2155684) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1000001110010010100100
3
Ternary
11001112001011
4
Quaternary
20032102210
5
Quinary
1022440214
6
Senary
114112004
8
Octal
10162244
10
Decimal
2155684
12
Duodecimal
87b604
16
Hexadecimal
20e4a4
20
Vigesimal
d9944
36
Base36
1a7c4
md5
9da77c2309980d8b537fb5c483b109b8
sha1
9e357bd5a3f8dbb455f0926a3aead4bfcb30c8ec
sha256
2f5892ec1045c67b21a8c2675ee0162d01ffe174b4e80f959a78a3deeefeb00d
sha512
59025025c72babeac1a6a6333ebe2600d96e32631d6b4d1699deab6b2ad5925829e9aff697650797a0b7620836deee3e815fbe8402cf61dce4f000dd091760a2
ripemd-160
e41963f480b22ee850b485c22cb907827b7e8982
Diameter
4311368
Circumference
13544562.035722
Area
14598897833707
Volume
4.1960813970342E+19
Surface area
58395591334827
Circumference
13544562.035722
Perimeter
8622736
Area
4646973507856
Diagonal
3048597.5489907
Surface area
27881841047136
Volume
1.0017406439309E+19
Space diagonal
3733754.2130633
Perimeter
6467052
Area
2012198554258.3
Altitude
1866877.1065317
Surface area
2012198554258.3
Volume
1.1805626705229E+18
Height
1016199.1829969