28778875 is an odd 8-digits composite number following 28778874
and preceding 28778876 . In scientific notation, it is written as 2.8778875 × 10^7.
The sum of its digits is 52. It has a total of 6 prime factors and 32 positive divisors.
There are 20876800 positive integers (up to 28778875) that are relatively prime to 28778875.
28778875 has 32 divisors, whose sum is 39424320
The reverse of 28778875 is 57887782
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million seven hundred seventy-eight thousand eight hundred seventy-five
Scientific notation
2.8778875 × 10^7
Engineering notation
2.8778875 × 10^6
Prime Factorization
29 × 5 × 5 × 5 × 17 × 467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1151155
Product of the distinct prime numbers
The prime factorization of 28778875 is 29 × 5 × 5 × 5 × 17 × 467.
Since it has a total of 6 prime factors.
9 , 7 , 38 , 13 , 187 , 783 , 3006 , 4172 , 24182 , 12472 , 915642 , 380966 , 1919277 , 804939 , 45857256 , 3165345 , 779430472 , 710769884 , 4146260312 , 1595415154
n×2
57557750
n×3
86336625
n×4
115115500
n×5
143894375
n÷2
14389437.5
n÷3
9592958.3333333
n÷3
7194718.75
n÷5
5755775
n2
828223646265625
n3
2.3835344787923E+22
n4
6.8595440823353E+29
n5
1.9740996170252E+37
2 √n
5364.5945792762
3 √n
306.4488088535
4 √n
73.243392734609
5 √n
31.032356983789
1 , 5 , 17 , 25 , 29 , 85 , 125 , 145 , 425 , 467 , 493 , 725 , 2125 , 2335 , 2465 , 3625 , 7939 , 11675 , 12325 , 13543 , 39695 , 58375 , 61625 , 67715 , 198475 , 230231 , 338575 , 992375 , 1151155 , 1692875 , 5755775 , 28778875
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
-28778874
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 28778875 can be divided by 32 positive divisors.
The sum of these divisors (counting 28778875) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101110010000101111011
3
Ternary
2000011010012021
4
Quaternary
1231302011323
5
Quinary
24331411000
6
Senary
2504455311
8
Octal
155620573
10
Decimal
28778875
12
Duodecimal
977a537
16
Hexadecimal
1b7217b
20
Vigesimal
8jh73f
36
Base36
h4tx7
md5
8d1eef13849b9f03ca28215c4bbf4864
sha1
f584c99e77573c3b0cfd4008f5457afb0becd915
sha256
2b6167b78c00b69040bb840425499706657f26d465672b18e3a831fd21242962
sha512
53a2613e9490b1416faf44b679c652a495984635779eb7fed8da443ec45b5a54bde54f1264b8dbd13250b28e047a88550ff3a32dc8659fbfa2e972f9e588e2a2
ripemd-160
4c1f188ab31ae7f531931a894e19ac6f626bb7bc
Diameter
57557750
Circumference
180823004.55716
Area
2.6019413226374E+15
Volume
9.9841258775357E+22
Surface area
1.040776529055E+16
Circumference
180823004.55716
Perimeter
115115500
Area
828223646265625
Diagonal
40699475.33484
Surface area
4969341877593750
Volume
2.3835344787923E+22
Space diagonal
49846473.684674
Perimeter
86336625
Area
3.586313588405E+14
Altitude
24923236.842337
Surface area
3.586313588405E+14
Volume
2.8090223219099E+21
Height
13566491.77828