28408949 is an odd 8-digits composite number following 28408948
and preceding 28408950 . In scientific notation, it is written as 2.8408949 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 28327200 positive integers (up to 28408949) that are relatively prime to 28408949.
28408949 has 4 divisors, whose sum is 28490700
The reverse of 28408949 is 94980482
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million four hundred eight thousand nine hundred forty-nine
Scientific notation
2.8408949 × 10^7
Engineering notation
2.8408949 × 10^6
Prime Factorization
349 × 81401
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28408949
Product of the distinct prime numbers
The prime factorization of 28408949 is 349 × 81401.
Since it has a total of 2 prime factors.
3 , 1 , 99 , 34 , 485 , 291 , 7748 , 9923 , 36381 , 57115 , 963828 , 895189 , 8634870 , 2197786 , 72198534 , 60405061 , 408531434 , 141612064 , 2982570117 , 742487390
n×2
56817898
n×3
85226847
n×4
113635796
n×5
142044745
n÷2
14204474.5
n÷3
9469649.6666667
n÷3
7102237.25
n÷5
5681789.8
n2
807068383284601
n3
2.2927964540245E+22
n4
6.5135937529762E+29
n5
1.8504435273502E+37
2 √n
5330.0045966209
3 √n
305.13010305392
4 √n
73.00688047452
5 √n
30.952165111649
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28408948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28408949 can be divided by 4 positive divisors.
The sum of these divisors (counting 28408949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010111110001110101
3
Ternary
1222110022202022
4
Quaternary
1230113301311
5
Quinary
24233041244
6
Senary
2452522525
8
Octal
154276165
10
Decimal
28408949
12
Duodecimal
9620445
16
Hexadecimal
1b17c75
20
Vigesimal
8hb279
36
Base36
gwwhh
md5
670690008937e663c3758b4501b8af7c
sha1
4e6d4051aa788f0094b53139c060f80053cf1b53
sha256
010f0235a14087c7ff5c6672040776c8e6ce327a2283795fb07aabbf00ebd21b
sha512
45671b781ed97476216736925d70ef937e938bfbd891d327f25357b86f565cb5df4f2022e5efc8c466f87abc43e578c0354dbe5dc0d566f67afe01cfa5aee1f7
ripemd-160
8a14fc94f0cb9fab776e1be607b3da7c8948e6e0
Diameter
56817898
Circumference
178498690.94921
Area
2.5354801038715E+15
Volume
9.6040433281867E+22
Surface area
1.0141920415486E+16
Circumference
178498690.94921
Perimeter
113635796
Area
807068383284601
Diagonal
40176320.968566
Surface area
4842410299707606
Volume
2.2927964540245E+22
Space diagonal
49205743.057633
Perimeter
85226847
Area
3.4947086125785E+14
Altitude
24602871.528817
Surface area
3.4947086125785E+14
Volume
2.702086534202E+21
Height
13392106.989522