28133749 is an odd 8-digits composite number following 28133748
and preceding 28133750 . In scientific notation, it is written as 2.8133749 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 23126400 positive integers (up to 28133749) that are relatively prime to 28133749.
28133749 has 16 divisors, whose sum is 33497856
The reverse of 28133749 is 94733182
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred thirty-three thousand seven hundred forty-nine
Scientific notation
2.8133749 × 10^7
Engineering notation
2.8133749 × 10^6
Prime Factorization
7 × 41 × 61 × 1607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28133749
Product of the distinct prime numbers
The prime factorization of 28133749 is 7 × 41 × 61 × 1607.
Since it has a total of 4 prime factors.
10 , 6 , 92 , 52 , 77 , 36 , 493 , 8136 , 60519 , 68678 , 690260 , 898346 , 5676579 , 167542 , 19617983 , 63190745 , 9074492 , 539676065 , 2529606424 , 9124444132
n×2
56267498
n×3
84401247
n×4
112534996
n×5
140668745
n÷2
14066874.5
n÷3
9377916.3333333
n÷3
7033437.25
n÷5
5626749.8
n2
791507832795001
n3
2.2268082699389E+22
n4
6.2648464937584E+29
n5
1.7625361877893E+37
2 √n
5304.1256583908
3 √n
304.14163024886
4 √n
72.829428518909
5 √n
30.89196411671
1 , 7 , 41 , 61 , 287 , 427 , 1607 , 2501 , 11249 , 17507 , 65887 , 98027 , 461209 , 686189 , 4019107 , 28133749
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
-28133748
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 28133749 can be divided by 16 positive divisors.
The sum of these divisors (counting 28133749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010100100101110101
3
Ternary
1221221100020201
4
Quaternary
1223110211311
5
Quinary
24200234444
6
Senary
2443000501
8
Octal
153244565
10
Decimal
28133749
12
Duodecimal
9509131
16
Hexadecimal
1ad4975
20
Vigesimal
8fge79
36
Base36
gr051
md5
0c1254945c9a2ef34dfcad16354d11fe
sha1
81c7a3af9472d68b188b376913be167ec4fce49d
sha256
644d87b5632c3a02f7d7a5c6523ba6e20ae4386072643896988ecb176513d6ea
sha512
2665e0b81a6d82f14874723b659da9f0942b2e18d50c81128c63aa0c7ce0bcd08d5a341b738cc87fc1b9e34e28e14f0955cb5f1bb33249574409fd02bb88d3a3
ripemd-160
2a25bd219dd537ba506074c81a7888b91102fd8b
Diameter
56267498
Circumference
176769558.35268
Area
2.4865951927676E+15
Volume
9.3276326690572E+22
Surface area
9.9463807710702E+15
Circumference
176769558.35268
Perimeter
112534996
Area
791507832795001
Diagonal
39787129.396201
Surface area
4749046996770006
Volume
2.2268082699389E+22
Space diagonal
48729082.67539
Perimeter
84401247
Area
3.4273294524742E+14
Altitude
24364541.337695
Surface area
3.4273294524742E+14
Volume
2.6243187134601E+21
Height
13262376.4654