28293871 is an odd 8-digits composite number following 28293870
and preceding 28293872 . In scientific notation, it is written as 2.8293871 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 27565272 positive integers (up to 28293871) that are relatively prime to 28293871.
28293871 has 8 divisors, whose sum is 29025920
The reverse of 28293871 is 17839282
Previous prime number is 1063
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million two hundred ninety-three thousand eight hundred seventy-one
Scientific notation
2.8293871 × 10^7
Engineering notation
2.8293871 × 10^6
Prime Factorization
43 × 1063 × 619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28293871
Product of the distinct prime numbers
The prime factorization of 28293871 is 43 × 1063 × 619.
Since it has a total of 3 prime factors.
5 , 5 , 89 , 99 , 402 , 387 , 7984 , 9260 , 45152 , 11899 , 244027 , 861881 , 7144670 , 4050564 , 14222453 , 91275304 , 720119581 , 245777029 , 8098430013 , 7028215292
n×2
56587742
n×3
84881613
n×4
113175484
n×5
141469355
n÷2
14146935.5
n÷3
9431290.3333333
n÷3
7073467.75
n÷5
5658774.2
n2
800543136164641
n3
2.2650464224578E+22
n4
6.4086931286032E+29
n5
1.8132673665929E+37
2 √n
5319.1983418557
3 √n
304.71754195648
4 √n
72.932834456476
5 √n
30.927048387236
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28293870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28293871 can be divided by 8 positive divisors.
The sum of these divisors (counting 28293871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111011101011101111
3
Ternary
1222020110220011
4
Quaternary
1223323223233
5
Quinary
24220400441
6
Senary
2450234051
8
Octal
153735357
10
Decimal
28293871
12
Duodecimal
9585927
16
Hexadecimal
1afbaef
20
Vigesimal
8ggedb
36
Base36
gufov
md5
c6eb419b2606c006e8e0372d5cd25464
sha1
09c9d929c572c0e77a2efca9af8af4384e650a12
sha256
dbf59b0e5d500fce577a6eda6c45ad9d613fb728a61f0444c4563c6ee086c6d1
sha512
3de5b2b1581a9e2017b0083ee8dfb29035850b6287be9ce4c747b067c37afd01ec0afadf859e204f9d97a885c4b3ae4e7a7c9d693fa26a394afb2b26bfeb3910
ripemd-160
eae11e60c1df0e0d10bb184d8f8436f230e27b5b
Diameter
56587742
Circumference
177775634.55043
Area
2.5149804354566E+15
Volume
9.4878042677776E+22
Surface area
1.0059921741826E+16
Circumference
177775634.55043
Perimeter
113175484
Area
800543136164641
Diagonal
40013576.100235
Surface area
4803258816987846
Volume
2.2650464224578E+22
Space diagonal
49006422.1148
Perimeter
84881613
Area
3.4664534637192E+14
Altitude
24503211.0574
Surface area
3.4664534637192E+14
Volume
2.6693828083704E+21
Height
13337858.700078