28408906 is an even 8-digits composite number following 28408905
and preceding 28408907 . In scientific notation, it is written as 2.8408906 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 14159328 positive integers (up to 28408906) that are relatively prime to 28408906.
28408906 has 8 divisors, whose sum is 42748740
The reverse of 28408906 is 60980482
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million four hundred eight thousand nine hundred six
Scientific notation
2.8408906 × 10^7
Engineering notation
2.8408906 × 10^6
Prime Factorization
2 × 317 × 44809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28408906
Product of the distinct prime numbers
The prime factorization of 28408906 is 2 × 317 × 44809.
Since it has a total of 3 prime factors.
1 , 2 , 77 , 68 , 33 , 362 , 1470 , 3441 , 15605 , 59404 , 149003 , 743678 , 5783558 , 3044351 , 28647476 , 30460323 , 673105055 , 761650320 , 6828474421 , 2538783522
n×2
56817812
n×3
85226718
n×4
113635624
n×5
142044530
n÷2
14204453
n÷3
9469635.3333333
n÷3
7102226.5
n÷5
5681781.2
n2
807065940116836
n3
2.2927860428581E+22
n4
6.5135543169667E+29
n5
1.850429523166E+37
2 √n
5330.0005628518
3 √n
305.12994910476
4 √n
73.006852848563
5 √n
30.952155741757
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
-28408905
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 28408906 can be divided by 8 positive divisors.
The sum of these divisors (counting 28408906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100010111110001001010
3
Ternary
1222110022200201
4
Quaternary
1230113301022
5
Quinary
24233041111
6
Senary
2452522414
8
Octal
154276112
10
Decimal
28408906
12
Duodecimal
962040a
16
Hexadecimal
1b17c4a
20
Vigesimal
8hb256
36
Base36
gwwga
md5
3a5b65126379e692ce5322eb479fb3ca
sha1
58c18597ae95aedb57a69f05b9451953730ca504
sha256
9d7bf73f9d2956d5d51191955f8f7bbbb84046d70ad3e45b68719a3e6e7cadfc
sha512
42cb1c0364f78f01d284ce3201cc7dad5c911a3553762618c6752a24f7910ef0abc1901687fe868036bdea5ae7c7125aee0647efb7cd86f45d843ef13ac8548a
ripemd-160
d2da550b6982db4f50e7d2326b8f7d381703a200
Diameter
56817812
Circumference
178498420.77225
Area
2.5354724284336E+15
Volume
9.6039997179949E+22
Surface area
1.0141889713734E+16
Circumference
178498420.77225
Perimeter
113635624
Area
807065940116836
Diagonal
40176260.157382
Surface area
4842395640701016
Volume
2.2927860428581E+22
Space diagonal
49205668.579448
Perimeter
85226718
Area
3.4946980333518E+14
Altitude
24602834.289724
Surface area
3.4946980333518E+14
Volume
2.7020742645247E+21
Height
13392086.719127