28971750 is an even 8-digits composite number following 28971749
and preceding 28971751 . In scientific notation, it is written as 2.8971750 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 7725600 positive integers (up to 28971750) that are relatively prime to 28971750.
28971750 has 32 divisors, whose sum is 72315360
The reverse of 28971750 is 05717982
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million nine hundred seventy-one thousand seven hundred fifty
Scientific notation
2.8971750 × 10^7
Engineering notation
2.8971750 × 10^6
Prime Factorization
2 × 3 × 5 × 5 × 5 × 38629
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1158870
Product of the distinct prime numbers
The prime factorization of 28971750 is 2 × 3 × 5 × 5 × 5 × 38629.
Since it has a total of 6 prime factors.
1 , 8 , 3 , 46 , 469 , 127 , 527 , 8474 , 11041 , 95218 , 11307 , 811103 , 7825039 , 122061 , 47386830 , 59256863 , 83708459 , 691428448 , 1382005715 , 5649210047
n×2
57943500
n×3
86915250
n×4
115887000
n×5
144858750
n÷2
14485875
n÷3
9657250
n÷3
7242937.5
n÷5
5794350
n2
839362298062500
n3
2.4317794658892E+22
n4
7.0452906740876E+29
n5
2.04114400087E+37
2 √n
5382.5412213935
3 √n
307.13188814519
4 √n
73.365804169201
5 √n
31.073841472602
1 , 2 , 3 , 5 , 6 , 10 , 15 , 25 , 30 , 50 , 75 , 125 , 150 , 250 , 375 , 750 , 38629 , 77258 , 115887 , 193145 , 231774 , 386290 , 579435 , 965725 , 1158870 , 1931450 , 2897175 , 4828625 , 5794350 , 9657250 , 14485875 , 28971750
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28971749
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28971750 can be divided by 32 positive divisors.
The sum of these divisors (counting 28971750) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110100001001011100110
3
Ternary
2000111220202210
4
Quaternary
1232201023212
5
Quinary
24404044000
6
Senary
2512544250
8
Octal
156411346
10
Decimal
28971750
12
Duodecimal
9852086
16
Hexadecimal
1ba12e6
20
Vigesimal
91197a
36
Base36
h8yqu
md5
b25991c15c2efdc06d54cf4b7e92d421
sha1
f4f97397d19ad25e5f344c42fd6da45a6cc0e4f8
sha256
c7ad67de0dd88b3bc51c8e43ad854c5c9ece2f1614c1b0ab77d4d02a94ddc220
sha512
37ae6250a3508ae3a9bbb1d0c01f5fc369ab5bb373da4cef87ae740286aae0dd81a480800ad41dc1b3638a7225d44c28de91270093f71f69f692dbc29dd7bb77
ripemd-160
28342130b3536599e668521ea545ae2407efd1e7
Diameter
57943500
Circumference
182034873.92328
Area
2.6369344292934E+15
Volume
1.0186214006917E+23
Surface area
1.0547737717174E+16
Circumference
182034873.92328
Perimeter
115887000
Area
839362298062500
Diagonal
40972241.775683
Surface area
5036173788375000
Volume
2.4317794658892E+22
Space diagonal
50180542.984184
Perimeter
86915250
Area
3.6345453655051E+14
Altitude
25090271.492092
Surface area
3.6345453655051E+14
Volume
2.8658795844675E+21
Height
13657413.925228