28871570 is an even 8-digits composite number following 28871569
and preceding 28871571 . In scientific notation, it is written as 2.8871570 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 9137088 positive integers (up to 28871570) that are relatively prime to 28871570.
28871570 has 32 divisors, whose sum is 63963648
The reverse of 28871570 is 07517882
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million eight hundred seventy-one thousand five hundred seventy
Scientific notation
2.8871570 × 10^7
Engineering notation
2.8871570 × 10^6
Prime Factorization
2 × 5 × 7 × 13 × 31727
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28871570
Product of the distinct prime numbers
The prime factorization of 28871570 is 2 × 5 × 7 × 13 × 31727.
Since it has a total of 5 prime factors.
6 , 8 , 49 , 2 , 154 , 235 , 4467 , 3869 , 9658 , 33196 , 267360 , 725678 , 2763843 , 7842606 , 87701379 , 67335578 , 235415067 , 28945921 , 3084128078 , 8175520090
n×2
57743140
n×3
86614710
n×4
115486280
n×5
144357850
n÷2
14435785
n÷3
9623856.6666667
n÷3
7217892.5
n÷5
5774314
n2
833567554264900
n3
2.4066403992688E+22
n4
6.9483486752317E+29
n5
2.0060973516136E+37
2 √n
5373.2271494885
3 √n
306.77747387259
4 √n
73.302299755795
5 √n
31.052321943554
1 , 2 , 5 , 7 , 10 , 13 , 14 , 26 , 35 , 65 , 70 , 91 , 130 , 182 , 455 , 910 , 31727 , 63454 , 158635 , 222089 , 317270 , 412451 , 444178 , 824902 , 1110445 , 2062255 , 2220890 , 2887157 , 4124510 , 5774314 , 14435785 , 28871570
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
-28871569
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 28871570 can be divided by 32 positive divisors.
The sum of these divisors (counting 28871570) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110001000101110010010
3
Ternary
2000022211100102
4
Quaternary
1232020232102
5
Quinary
24342342240
6
Senary
2510452402
8
Octal
156105622
10
Decimal
28871570
12
Duodecimal
9804102
16
Hexadecimal
1b88b92
20
Vigesimal
908iia
36
Base36
h6tg2
md5
58fb7602c7c836349312fee9b30b2ba0
sha1
a6ea2df036eb915b73d69e6ae5838bbe6a1d3dc7
sha256
421777b7642070e9df87d60722ee1b88fc9dfdd6ad5809c873777bdfdd9ce5cb
sha512
d41de2c6469fc58d3fec914f09e3fe61b83a8a5d86bf6dee54153a6b2d8ed9821a2f7d480e6e201106b6990b488847516b61d8828e77a5f712e8c1f240755efd
ripemd-160
b09ecd5392e3748d0ded7fe60f4b6a52b81c98ac
Diameter
57743140
Circumference
181405424.41921
Area
2.6187297047494E+15
Volume
1.00809117309E+23
Surface area
1.0474918818998E+16
Circumference
181405424.41921
Perimeter
115486280
Area
833567554264900
Diagonal
40830565.861004
Surface area
5001405325589400
Volume
2.4066403992688E+22
Space diagonal
50007026.134281
Perimeter
86614710
Area
3.6094533888193E+14
Altitude
25003513.067141
Surface area
3.6094533888193E+14
Volume
2.8362529103341E+21
Height
13610188.620335