28911049 is an odd 8-digits composite number following 28911048
and preceding 28911050 . In scientific notation, it is written as 2.8911049 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 28843540 positive integers (up to 28911049) that are relatively prime to 28911049.
28911049 has 4 divisors, whose sum is 28978560
The reverse of 28911049 is 94011982
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million nine hundred eleven thousand forty-nine
Scientific notation
2.8911049 × 10^7
Engineering notation
2.8911049 × 10^6
Prime Factorization
431 × 67079
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28911049
Product of the distinct prime numbers
The prime factorization of 28911049 is 431 × 67079.
Since it has a total of 2 prime factors.
7 , 3 , 33 , 57 , 628 , 275 , 3644 , 7437 , 59169 , 37146 , 331243 , 536334 , 3815485 , 7168334 , 50705439 , 40754054 , 615132156 , 775812986 , 7016841086 , 4873921738
n×2
57822098
n×3
86733147
n×4
115644196
n×5
144555245
n÷2
14455524.5
n÷3
9637016.3333333
n÷3
7227762.25
n÷5
5782209.8
n2
835848754280401
n3
2.416526429159E+22
n4
6.986431400321E+29
n5
2.0198506054982E+37
2 √n
5376.8995713143
3 √n
306.91723941314
4 √n
73.327345317517
5 √n
31.06080949474
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28911048
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28911049 can be divided by 4 positive divisors.
The sum of these divisors (counting 28911049) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110010010010111001001
3
Ternary
2000101211111121
4
Quaternary
1232102113021
5
Quinary
24400123144
6
Senary
2511355241
8
Octal
156222711
10
Decimal
28911049
12
Duodecimal
9822b21
16
Hexadecimal
1b925c9
20
Vigesimal
90dhc9
36
Base36
h7nwp
md5
39d6018df91678e60af6205ac0f56b57
sha1
6890e2504a111fd0632192e57ce31fec8557739a
sha256
4cda332ed3b771b776e855f747e916bd2397faf17a596cc88c053647974d3342
sha512
92aa16f52923ba623a496e189c5674978da9c1ed8408f236c9987318136a09fa79ade7442237735b0e9620e47d0a6b73ebda9bf0400b535b952633fd4cd31387
ripemd-160
c6342ab6a34ce4bf350ea046f1325a26cc27a396
Diameter
57822098
Circumference
181653478.29195
Area
2.6258963059595E+15
Volume
1.0122322236068E+23
Surface area
1.0503585223838E+16
Circumference
181653478.29195
Perimeter
115644196
Area
835848754280401
Diagonal
40886397.598233
Surface area
5015092525682406
Volume
2.416526429159E+22
Space diagonal
50075405.768113
Perimeter
86733147
Area
3.619331274642E+14
Altitude
25037702.884057
Surface area
3.619331274642E+14
Volume
2.8479037082914E+21
Height
13628799.199411