28403487 is an odd 8-digits composite number following 28403486
and preceding 28403488 . In scientific notation, it is written as 2.8403487 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 16225272 positive integers (up to 28403487) that are relatively prime to 28403487.
28403487 has 16 divisors, whose sum is 34361600
The reverse of 28403487 is 78430482
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million four hundred three thousand four hundred eighty-seven
Scientific notation
2.8403487 × 10^7
Engineering notation
2.8403487 × 10^6
Prime Factorization
27 × 49 × 7 × 3067
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28403487
Product of the distinct prime numbers
The prime factorization of 28403487 is 27 × 49 × 7 × 3067.
Since it has a total of 4 prime factors.
10 , 9 , 74 , 57 , 57 , 809 , 3154 , 4610 , 63818 , 84355 , 270913 , 941824 , 4529336 , 4255367 , 51424229 , 16307388 , 847337607 , 378654427 , 9262311356 , 6755634171
n×2
56806974
n×3
85210461
n×4
113613948
n×5
142017435
n÷2
14201743.5
n÷3
9467829
n÷3
7100871.75
n÷5
5680697.4
n2
806758073759169
n3
2.2914742460164E+22
n4
6.508585895756E+29
n5
1.8486653487849E+37
2 √n
5329.4921896931
3 √n
305.11054668755
4 √n
73.003371084445
5 √n
30.950974826651
1 , 7 , 27 , 49 , 189 , 343 , 1323 , 3067 , 9261 , 21469 , 82809 , 150283 , 579663 , 1051981 , 4057641 , 28403487
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
-28403486
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 28403487 can be divided by 16 positive divisors.
The sum of these divisors (counting 28403487) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010110011100011111
3
Ternary
1222110001021000
4
Quaternary
1230112130133
5
Quinary
24232402422
6
Senary
2452441343
8
Octal
154263437
10
Decimal
28403487
12
Duodecimal
9619253
16
Hexadecimal
1b1671f
20
Vigesimal
8ha8e7
36
Base36
gws9r
md5
51f0107485645871b0f56081080f1776
sha1
5593d5c17062e2805d524d6b3f9b42dcdf1f3939
sha256
e35b5b7292120744c77eebb704fd1db7695afe53908686f985344fd60ea5ec00
sha512
ad09f7b2592536dbf87540eb4e28d4d11328fb2483de21bcb1239c77553f3a65d7d3b259fe55570a92f487ed14a473f7db6ac1cdb4149c9f88a25a860ffdd494
ripemd-160
dbd34c89f9ccc7bad18b7069edc10d690838a54c
Diameter
56806974
Circumference
178464372.19107
Area
2.5345052377461E+15
Volume
9.5985048762336E+22
Surface area
1.0138020950984E+16
Circumference
178464372.19107
Perimeter
113613948
Area
806758073759169
Diagonal
40168596.534088
Surface area
4840548442555014
Volume
2.2914742460164E+22
Space diagonal
49196282.596122
Perimeter
85210461
Area
3.4933649329182E+14
Altitude
24598141.298061
Surface area
3.4933649329182E+14
Volume
2.7005282971208E+21
Height
13389532.178029