28551440 is an even 8-digits composite number following 28551439
and preceding 28551441 . In scientific notation, it is written as 2.8551440 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 11420544 positive integers (up to 28551440) that are relatively prime to 28551440.
28551440 has 20 divisors, whose sum is 66382284
The reverse of 28551440 is 04415582
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million five hundred fifty-one thousand four hundred forty
Scientific notation
2.8551440 × 10^7
Engineering notation
2.8551440 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 356893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3568930
Product of the distinct prime numbers
The prime factorization of 28551440 is 2 × 2 × 2 × 2 × 5 × 356893.
Since it has a total of 6 prime factors.
8 , 1 , 9 , 21 , 859 , 878 , 8135 , 7939 , 41602 , 83805 , 273184 , 791100 , 7756492 , 3586521 , 46714568 , 14079901 , 419495368 , 705630133 , 2439607162 , 3662306579
n×2
57102880
n×3
85654320
n×4
114205760
n×5
142757200
n÷2
14275720
n÷3
9517146.6666667
n÷3
7137860
n÷5
5710288
n2
815184726073600
n3
2.3274697795407E+22
n4
6.6452613762369E+29
n5
1.8973178146795E+37
2 √n
5343.3547514647
3 √n
305.63940036391
4 √n
73.098254093136
5 √n
30.983152410566
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 356893 , 713786 , 1427572 , 1784465 , 2855144 , 3568930 , 5710288 , 7137860 , 14275720 , 28551440
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28551439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28551440 can be divided by 20 positive divisors.
The sum of these divisors (counting 28551440) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101100111010100100010000
3
Ternary
1222201120012202
4
Quaternary
1230322210100
5
Quinary
24302121230
6
Senary
2455542332
8
Octal
154724420
10
Decimal
28551440
12
Duodecimal
968a9a8
16
Hexadecimal
1b3a910
20
Vigesimal
8i8ic0
36
Base36
gzyfk
md5
9cc778b4ed7be7829364e9030666d99c
sha1
a141ee25633ee5f480284850e275420555629eef
sha256
ac64d9c8780d8a8611c5a3d2df9dcbc6ce72e214065957181599766ed225c6c0
sha512
cbe5675b54c75a9b428e10eb6c547d9081c2b088a29380df422d226c4374936e3041e04ec579251b006217054f29b2b8f565319becf588396ba34a5fdf2226d7
ripemd-160
1978ea68070a6fc59a54d4ca5ce670297709f482
Diameter
57102880
Circumference
179393988.30682
Area
2.5609783467514E+15
Volume
9.7492826144764E+22
Surface area
1.0243913387006E+16
Circumference
179393988.30682
Perimeter
114205760
Area
815184726073600
Diagonal
40377833.673282
Surface area
4891108356441600
Volume
2.3274697795407E+22
Space diagonal
49452544.709254
Perimeter
85654320
Area
3.529853407784E+14
Altitude
24726272.354627
Surface area
3.529853407784E+14
Volume
2.7429494402E+21
Height
13459277.891094