28491307 is an odd 8-digits composite number following 28491306
and preceding 28491308 . In scientific notation, it is written as 2.8491307 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 26091072 positive integers (up to 28491307) that are relatively prime to 28491307.
28491307 has 8 divisors, whose sum is 30926336
The reverse of 28491307 is 70319482
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million four hundred ninety-one thousand three hundred seven
Scientific notation
2.8491307 × 10^7
Engineering notation
2.8491307 × 10^6
Prime Factorization
13 × 127 × 17257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28491307
Product of the distinct prime numbers
The prime factorization of 28491307 is 13 × 127 × 17257.
Since it has a total of 3 prime factors.
8 , 3 , 83 , 65 , 674 , 750 , 4016 , 3169 , 77486 , 78895 , 551630 , 227055 , 6195510 , 4179369 , 10059268 , 52613913 , 54015298 , 976331568 , 4778534033 , 212902030
n×2
56982614
n×3
85473921
n×4
113965228
n×5
142456535
n÷2
14245653.5
n÷3
9497102.3333333
n÷3
7122826.75
n÷5
5698261.4
n2
811754574568249
n3
2.3127948792678E+22
n4
6.5894548933248E+29
n5
1.8774218232837E+37
2 √n
5337.7248898758
3 √n
305.42467760345
4 √n
73.059735079425
5 √n
30.970090502166
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
-28491306
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 28491307 can be divided by 8 positive divisors.
The sum of these divisors (counting 28491307) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101011111000101011
3
Ternary
1222121111201121
4
Quaternary
1230223320223
5
Quinary
24243210212
6
Senary
2454400111
8
Octal
154537053
10
Decimal
28491307
12
Duodecimal
9660037
16
Hexadecimal
1b2be2b
20
Vigesimal
8i1857
36
Base36
gyo17
md5
c668db991fc5ac13e3160651ac23de44
sha1
8e6af9cbfbb9b176c51551f0db1ee54ede105b88
sha256
682db6e5b3959979e5e61bd210fbee37caae0e37744d6db887aec2bc1c3ab1a1
sha512
63d3627140a41b5fd88ca4ccafb3340857853d5f60028368cd59b81a6e9a91b4a5ff949276c81a83e4915c28bf2dba28e7b8cfbee10781b90b9be5b3b451d805
ripemd-160
5852da29d7667d675db256b982173a217c07f967
Diameter
56982614
Circumference
179016161.52474
Area
2.5502022079815E+15
Volume
9.6878125359572E+22
Surface area
1.0200808831926E+16
Circumference
179016161.52474
Perimeter
113965228
Area
811754574568249
Diagonal
40292792.769136
Surface area
4870527447409494
Volume
2.3127948792678E+22
Space diagonal
49348391.298043
Perimeter
85473921
Area
3.5150004160717E+14
Altitude
24674195.649021
Surface area
3.5150004160717E+14
Volume
2.725654904373E+21
Height
13430930.923045