2155648 is an even 7-digits composite number following 2155647
and preceding 2155649 . In scientific notation, it is written as 2.155648 × 10^6.
The sum of its digits is 31. It has a total of 9 prime factors and 32 positive divisors.
There are 979200 positive integers (up to 2155648) that are relatively prime to 2155648.
2155648 has 32 divisors, whose sum is 4687920
The reverse of 2155648 is 8465512
Previous prime number is 11
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 forty-eight
Scientific notation
2.155648 × 10^6
Engineering notation
2.155648 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 1531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
33682
Product of the distinct prime numbers
The prime factorization of 2155648 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 1531.
Since it has a total of 9 prime factors.
3 , 2 , 2 , 84 , 563 , 353 , 4003 , 5538 , 56847 , 46967 , 441248 , 534014 , 9780221 , 6182174 , 99546809 , 35294525 , 281095967 , 67828101 , 524309846 , 9206765598
n×2
4311296
n×3
6466944
n×4
8622592
n×5
10778240
n÷2
1077824
n÷3
718549.33333333
n÷3
538912
n÷5
431129.6
n2
4646818299904
n3
1.0016904574551E+19
n4
2.1592920312323E+25
n5
4.6546735485418E+31
2 √n
1468.212518677
3 √n
129.17920729206
4 √n
38.317261367131
5 √n
18.480578807498
1 , 2 , 4 , 8 , 11 , 16 , 22 , 32 , 44 , 64 , 88 , 128 , 176 , 352 , 704 , 1408 , 1531 , 3062 , 6124 , 12248 , 16841 , 24496 , 33682 , 48992 , 67364 , 97984 , 134728 , 195968 , 269456 , 538912 , 1077824 , 2155648
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155647
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155648 can be divided by 32 positive divisors.
The sum of these divisors (counting 2155648) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000001110010010000000
3
Ternary
11001111222211
4
Quaternary
20032102000
5
Quinary
1022440043
6
Senary
114111504
8
Octal
10162200
10
Decimal
2155648
12
Duodecimal
87b594
16
Hexadecimal
20e480
20
Vigesimal
d9928
36
Base36
1a7b4
md5
a7642566c5d52a22099f56146cd37015
sha1
2ebddd7f6e75e4be49a89c63409678757b462f0e
sha256
c490c2bef1695ec71cd4c3be8041f1a2007687da630923aa5b7011df1610d501
sha512
32de20fab2ecebb773312a8b711e1190f1caa0f1030ce90a3642194655772f6795b31649a062146b7b95143a5bde5ad959a6d445d2e9255192d083e66c12cf7e
ripemd-160
2ac3f8d7a6ab82b1a254b6e406e5876d6e30287e
Diameter
4311296
Circumference
13544335.841051
Area
14598410233545
Volume
4.1958711764161E+19
Surface area
58393640934180
Circumference
13544335.841051
Perimeter
8622592
Area
4646818299904
Diagonal
3048546.6373024
Surface area
27880909799424
Volume
1.0016904574551E+19
Space diagonal
3733691.8592342
Perimeter
6466944
Area
2012131347243.6
Altitude
1866845.9296171
Surface area
2012131347243.6
Volume
1.180503525194E+18
Height
1016182.2124341