28372287 is an odd 8-digits composite number following 28372286
and preceding 28372288 . In scientific notation, it is written as 2.8372287 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 18360000 positive integers (up to 28372287) that are relatively prime to 28372287.
28372287 has 16 divisors, whose sum is 38949120
The reverse of 28372287 is 78227382
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million three hundred seventy-two thousand two hundred eighty-seven
Scientific notation
2.8372287 × 10^7
Engineering notation
2.8372287 × 10^6
Prime Factorization
3 × 41 × 251 × 919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28372287
Product of the distinct prime numbers
The prime factorization of 28372287 is 3 × 41 × 251 × 919.
Since it has a total of 4 prime factors.
8 , 2 , 33 , 21 , 805 , 6 , 8444 , 1340 , 49229 , 48338 , 68980 , 527516 , 8754260 , 8117940 , 55222084 , 32726448 , 34006923 , 183292377 , 5487311053 , 6791043823
n×2
56744574
n×3
85116861
n×4
113489148
n×5
141861435
n÷2
14186143.5
n÷3
9457429
n÷3
7093071.75
n÷5
5674457.4
n2
804986669610369
n3
2.283931282136E+22
n4
6.4800353825039E+29
n5
1.8385342364256E+37
2 √n
5326.5642772804
3 √n
304.99878885123
4 √n
72.983315060913
5 √n
30.944172176023
1 , 3 , 41 , 123 , 251 , 753 , 919 , 2757 , 10291 , 30873 , 37679 , 113037 , 230669 , 692007 , 9457429 , 28372287
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
-28372286
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 28372287 can be divided by 16 positive divisors.
The sum of these divisors (counting 28372287) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100001110110100111111
3
Ternary
1222101110110110
4
Quaternary
1230032310333
5
Quinary
24230403122
6
Senary
2452041103
8
Octal
154166477
10
Decimal
28372287
12
Duodecimal
9603193
16
Hexadecimal
1b0ed3f
20
Vigesimal
8h6ae7
36
Base36
gw473
md5
85d6ed990b5c5db41b70e4a5b2c35785
sha1
3a18e3413c1924f28f66cb4469a61696792d789e
sha256
c21e6c599aef9200c3323bac782f81e5a0df17a6eb828010382c753911cb6dc7
sha512
8ea023f2710555b9dfb3996b8864c44ca1069a95fdc9fb42f68bc218f6c3d520fbb724de2dfdb7e1e841322c2a2fb6f2e518bd84cbd0fdb445fe2d39afde465f
ripemd-160
aac8502483898a62ec07ae9c45297899c156f2ce
Diameter
56744574
Circumference
178268336.80948
Area
2.5289402074856E+15
Volume
9.5669089830163E+22
Surface area
1.0115760829943E+16
Circumference
178268336.80948
Perimeter
113489148
Area
804986669610369
Diagonal
40124473.070942
Surface area
4829920017662214
Volume
2.283931282136E+22
Space diagonal
49142242.610926
Perimeter
85116861
Area
3.4856945279521E+14
Altitude
24571121.305463
Surface area
3.4856945279521E+14
Volume
2.6916388289374E+21
Height
13374824.356981