28571875 is an odd 8-digits composite number following 28571874
and preceding 28571876 . In scientific notation, it is written as 2.8571875 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 20 positive divisors.
There are 22200000 positive integers (up to 28571875) that are relatively prime to 28571875.
28571875 has 20 divisors, whose sum is 36038464
The reverse of 28571875 is 57817582
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million five hundred seventy-one thousand eight hundred seventy-five
Scientific notation
2.8571875 × 10^7
Engineering notation
2.8571875 × 10^6
Prime Factorization
5 × 5 × 205 × 25 × 223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5714375
Product of the distinct prime numbers
The prime factorization of 28571875 is 5 × 5 × 205 × 25 × 223.
Since it has a total of 5 prime factors.
1 , 7 , 9 , 71 , 20 , 558 , 1716 , 6424 , 88054 , 22043 , 87366 , 892445 , 4572298 , 1127808 , 54059931 , 57781909 , 670914070 , 401589842 , 8005175730 , 1124314123
n×2
57143750
n×3
85715625
n×4
114287500
n×5
142859375
n÷2
14285937.5
n÷3
9523958.3333333
n÷3
7142968.75
n÷5
5714375
n2
816352041015625
n3
2.3324708471893E+22
n4
6.6643065487038E+29
n5
1.9041173367125E+37
2 √n
5345.2665976544
3 √n
305.71230096786
4 √n
73.111330159247
5 √n
30.987586229212
1 , 5 , 25 , 125 , 205 , 223 , 625 , 1025 , 1115 , 5125 , 5575 , 25625 , 27875 , 45715 , 128125 , 139375 , 228575 , 1142875 , 5714375 , 28571875
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
-28571874
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 28571875 can be divided by 20 positive divisors.
The sum of these divisors (counting 28571875) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101100111111100011100011
3
Ternary
1222202121020121
4
Quaternary
1230333203203
5
Quinary
24303300000
6
Senary
2500221111
8
Octal
154774343
10
Decimal
28571875
12
Duodecimal
969a797
16
Hexadecimal
1b3f8e3
20
Vigesimal
8ib9df
36
Base36
h0e77
md5
f2d3be3c8aff1c4eadb29f3d6ceec561
sha1
434b831bf8c8750d474fa24a13b6c116fc98c580
sha256
7a755884d5809230e08a0563edc1985240299227f6b827cf6243417e8dc00956
sha512
6838df97b62254d9bee794c0c71e248dbc5f8261d62574d4c790102f617aea0f190c780d1643653f156405899c5f6c3cb680e60c075068eeb564c924092922b5
ripemd-160
5b6b9b75d8cd9f546c57446ef0fea7045e9c6759
Diameter
57143750
Circumference
179522385.19857
Area
2.5646455747977E+15
Volume
9.7702310376565E+22
Surface area
1.0258582299191E+16
Circumference
179522385.19857
Perimeter
114287500
Area
816352041015625
Diagonal
40406733.127429
Surface area
4898112246093750
Volume
2.3324708471893E+22
Space diagonal
49487939.167507
Perimeter
85715625
Area
3.534908029754E+14
Altitude
24743969.583754
Surface area
3.534908029754E+14
Volume
2.7488432549458E+21
Height
13468911.042476