2155384 is an even 7-digits composite number following 2155383
and preceding 2155385 . In scientific notation, it is written as 2.155384 × 10^6.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 839520 positive integers (up to 2155384) that are relatively prime to 2155384.
2155384 has 16 divisors, whose sum is 4095000
The reverse of 2155384 is 4835512
Previous prime number is 77
Is Prime? no
Number parity even
Number length 7
Sum of Digits 28
Digital Root 1
Name
two million one hundred fifty-five thousand three hundred eighty-four
Scientific notation
2.155384 × 10^6
Engineering notation
2.155384 × 10^6
Prime Factorization
2 × 2 × 2 × 77 × 3499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
538846
Product of the distinct prime numbers
The prime factorization of 2155384 is 2 × 2 × 2 × 77 × 3499.
Since it has a total of 5 prime factors.
4 , 5 , 40 , 18 , 48 , 15 , 8342 , 2109 , 83971 , 41130 , 205559 , 634990 , 8100963 , 5595868 , 48562101 , 44156062 , 48900995 , 926258850 , 6560459950 , 6746179806
n×2
4310768
n×3
6466152
n×4
8621536
n×5
10776920
n÷2
1077692
n÷3
718461.33333333
n÷3
538846
n÷5
431076.8
n2
4645680187456
n3
1.001322474516E+19
n4
2.1582344404121E+25
n5
4.6518239811132E+31
2 √n
1468.1226106835
3 √n
129.17393359509
4 √n
38.316088144322
5 √n
18.480126125815
1 , 2 , 4 , 8 , 77 , 154 , 308 , 616 , 3499 , 6998 , 13996 , 27992 , 269423 , 538846 , 1077692 , 2155384
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155383
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155384 can be divided by 16 positive divisors.
The sum of these divisors (counting 2155384) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001110001101111000
3
Ternary
11001111122001
4
Quaternary
20032031320
5
Quinary
1022433014
6
Senary
114110344
8
Octal
10161570
10
Decimal
2155384
12
Duodecimal
87b3b4
16
Hexadecimal
20e378
20
Vigesimal
d9894
36
Base36
1a73s
md5
a61847adcd2aa37ff32c889ed01e12f4
sha1
f380a53fb491288f7cbad98c7b9f49bbedd4ea2e
sha256
b24c1edb9f4b59c092a8632f23e9c1436a8fdc0ca57036de5f24f48141c08bad
sha512
6f0be1f52c7eb62608fba7efb1b3892fdb28955b221c9c9e341ea77c15c15f8a1708b4c3fab453b62ce6c2531261976e9a0c529cd7922ce8ac811c620acdd207
ripemd-160
882e72f04a6379dd904d0b68539e2ea5ca5f2917
Diameter
4310768
Circumference
13542677.08013
Area
14594834747839
Volume
4.1943297730849E+19
Surface area
58379338991358
Circumference
13542677.08013
Perimeter
8621536
Area
4645680187456
Diagonal
3048173.284922
Surface area
27874081124736
Volume
1.001322474516E+19
Space diagonal
3733234.597821
Perimeter
6466152
Area
2011638530097.5
Altitude
1866617.2989105
Surface area
2011638530097.5
Volume
1.1800698531412E+18
Height
1016057.7616407