28811288 is an even 8-digits composite number following 28811287
and preceding 28811289 . In scientific notation, it is written as 2.8811288 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 13096000 positive integers (up to 28811288) that are relatively prime to 28811288.
28811288 has 16 divisors, whose sum is 58932360
The reverse of 28811288 is 88211882
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million eight hundred eleven thousand two hundred eighty-eight
Scientific notation
2.8811288 × 10^7
Engineering notation
2.8811288 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 327401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7202822
Product of the distinct prime numbers
The prime factorization of 28811288 is 2 × 2 × 2 × 11 × 327401.
Since it has a total of 5 prime factors.
2 , 5 , 82 , 65 , 902 , 490 , 8371 , 5135 , 95421 , 24332 , 808375 , 896950 , 6132917 , 3588655 , 44190725 , 10996447 , 638352407 , 32798678 , 7655718361 , 2094579627
n×2
57622576
n×3
86433864
n×4
115245152
n×5
144056440
n÷2
14405644
n÷3
9603762.6666667
n÷3
7202822
n÷5
5762257.6
n2
830090316218944
n3
2.3915971166595E+22
n4
6.8904993308047E+29
n5
1.9852416068362E+37
2 √n
5367.6147402734
3 √n
306.56381448982
4 √n
73.264007126783
5 √n
31.03934404597
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 327401 , 654802 , 1309604 , 2619208 , 3601411 , 7202822 , 14405644 , 28811288
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
-28811287
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 28811288 can be divided by 16 positive divisors.
The sum of these divisors (counting 28811288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101111010000000011000
3
Ternary
2000012202122202
4
Quaternary
1231322000120
5
Quinary
24333430123
6
Senary
2505305332
8
Octal
155720030
10
Decimal
28811288
12
Duodecimal
9795248
16
Hexadecimal
1b7a018
20
Vigesimal
901848
36
Base36
h5ixk
md5
d05dcc105dfca6329ee83304b2b72757
sha1
474a7474c74a94281985aa04d7d2b227c5a7ab96
sha256
6c28671a5b48e0333b50dbb1c33bc62fdb65cf7f6e6120f0f989fa81116d4f55
sha512
63e24d95e3ba7f922f51fefaffbf89fc08584a27a106ea4b703b5be99d3528fcb746bd96475644ee5821a89fe1bf708872a9a402238b739938478e6266d9bd89
ripemd-160
788cedf2620475c9dbee8a319cb85ce7f480730d
Diameter
57622576
Circumference
181026661.44252
Area
2.6078056392495E+15
Volume
1.0017898576059E+23
Surface area
1.0431222556998E+16
Circumference
181026661.44252
Perimeter
115245152
Area
830090316218944
Diagonal
40745314.239037
Surface area
4980541897313664
Volume
2.3915971166595E+22
Space diagonal
49902614.6475
Perimeter
86433864
Area
3.5943965064053E+14
Altitude
24951307.32375
Surface area
3.5943965064053E+14
Volume
2.8185242317602E+21
Height
13581771.413012