28682871 is an odd 8-digits composite number following 28682870
and preceding 28682872 . In scientific notation, it is written as 2.8682871 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 16120800 positive integers (up to 28682871) that are relatively prime to 28682871.
28682871 has 16 divisors, whose sum is 44425728
The reverse of 28682871 is 17828682
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million six hundred eighty-two thousand eight hundred seventy-one
Scientific notation
2.8682871 × 10^7
Engineering notation
2.8682871 × 10^6
Prime Factorization
3 × 7 × 61 × 22391
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28682871
Product of the distinct prime numbers
The prime factorization of 28682871 is 3 × 7 × 61 × 22391.
Since it has a total of 4 prime factors.
3 , 2 , 58 , 37 , 358 , 205 , 5643 , 8799 , 86354 , 48744 , 518935 , 970924 , 3579918 , 2023985 , 21762194 , 26643902 , 529144028 , 116408011 , 6424562524 , 4159154537
n×2
57365742
n×3
86048613
n×4
114731484
n×5
143414355
n÷2
14341435.5
n÷3
9560957
n÷3
7170717.75
n÷5
5736574.2
n2
822707088802641
n3
2.3597601298912E+22
n4
6.7684695396612E+29
n5
1.9413913867353E+37
2 √n
5355.6391775399
3 √n
306.10766641478
4 √n
73.182232662989
5 √n
31.011625014495
1 , 3 , 7 , 21 , 61 , 183 , 427 , 1281 , 22391 , 67173 , 156737 , 470211 , 1365851 , 4097553 , 9560957 , 28682871
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
-28682870
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 28682871 can be divided by 16 positive divisors.
The sum of these divisors (counting 28682871) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011010101001110111
3
Ternary
1222222020111120
4
Quaternary
1231122221313
5
Quinary
24320322441
6
Senary
2502435023
8
Octal
155325167
10
Decimal
28682871
12
Duodecimal
9732a73
16
Hexadecimal
1b5aa77
20
Vigesimal
8j573b
36
Base36
h2ruf
md5
63d1ab992dd7359c6764207116e1b90a
sha1
4af7013b1f49564bafa6c3e8f157e76029d49171
sha256
4ba6a8587e64751ff92a669bf1b73db79682f757f040547c260c2b9caeec1e11
sha512
c7aa531aeb4a83867b1f44b77189c9d36922c8004598a864ca8767773ef23979906af0b92ab66db73e98edbca27278d33263145577bd690dbf9152352439b74f
ripemd-160
3576c8cb5a00bbed5190669bba17aa2cce28d131
Diameter
57365742
Circumference
180219793.63493
Area
2.5846105462386E+15
Volume
9.8845401177336E+22
Surface area
1.0338442184954E+16
Circumference
180219793.63493
Perimeter
114731484
Area
822707088802641
Diagonal
40563705.175998
Surface area
4936242532815846
Volume
2.3597601298912E+22
Space diagonal
49680189.878944
Perimeter
86048613
Area
3.5624261938831E+14
Altitude
24840094.939472
Surface area
3.5624261938831E+14
Volume
2.7810039830328E+21
Height
13521235.058666