28432857 is an odd 8-digits composite number following 28432856
and preceding 28432858 . In scientific notation, it is written as 2.8432857 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 17132544 positive integers (up to 28432857) that are relatively prime to 28432857.
28432857 has 8 divisors, whose sum is 29049600
The reverse of 28432857 is 75823482
Previous prime number is 159
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred thirty-two thousand eight hundred fifty-seven
Scientific notation
2.8432857 × 10^7
Engineering notation
2.8432857 × 10^6
Prime Factorization
2669 × 159 × 67
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28432857
Product of the distinct prime numbers
The prime factorization of 28432857 is 2669 × 159 × 67.
Since it has a total of 3 prime factors.
1 , 6 , 13 , 5 , 102 , 726 , 2829 , 9939 , 62539 , 90726 , 423442 , 286487 , 1380677 , 1660161 , 76496100 , 56298674 , 543841133 , 306554611 , 4587420118 , 5914226210
n×2
56865714
n×3
85298571
n×4
113731428
n×5
142164285
n÷2
14216428.5
n÷3
9477619
n÷3
7108214.25
n÷5
5686571.4
n2
808427357182449
n3
2.2985899441656E+22
n4
6.53554791841E+29
n5
1.858242993808E+37
2 √n
5332.24689976
3 √n
305.21567474048
4 √n
73.022235652984
5 √n
30.957373015568
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
-28432856
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 28432857 can be divided by 8 positive divisors.
The sum of these divisors (counting 28432857) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011101100111011001
3
Ternary
1222111112112210
4
Quaternary
1230131213121
5
Quinary
24234322412
6
Senary
2453225333
8
Octal
154354731
10
Decimal
28432857
12
Duodecimal
9632249
16
Hexadecimal
1b1d9d9
20
Vigesimal
8he22h
36
Base36
gxexl
md5
38c627ca601f1ba2d0bcb3a27cda323e
sha1
4dd5bda7bddc75b5f5c19b60e3de5667fa70f11b
sha256
654b44e67fb8f15877c10385ca406163f31936ddd66622ea9e6adec54b6cccf5
sha512
a95446b4195b89fd838ab41d7b19f1d72a47216cdfc7a40f8b03e0a27c902e2d3f7c5589e11f204f2b3ebaa27257f4665ad8a67c641667c7157a6eeaa39d1c45
ripemd-160
59761e978320dea530c3d3e178019c66d1486819
Diameter
56865714
Circumference
178648909.34354
Area
2.5397494462854E+15
Volume
9.6283110429416E+22
Surface area
1.0158997785142E+16
Circumference
178648909.34354
Perimeter
113731428
Area
808427357182449
Diagonal
40210131.986415
Surface area
4850564143094694
Volume
2.2985899441656E+22
Space diagonal
49247152.92834
Perimeter
85298571
Area
3.5005931421716E+14
Altitude
24623576.46417
Surface area
3.5005931421716E+14
Volume
2.7089142278112E+21
Height
13403377.328805