28681307 is an odd 8-digits composite number following 28681306
and preceding 28681308 . In scientific notation, it is written as 2.8681307 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 28669560 positive integers (up to 28681307) that are relatively prime to 28681307.
28681307 has 4 divisors, whose sum is 28693056
The reverse of 28681307 is 70318682
Previous prime number is 8287
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million six hundred eighty-one thousand three hundred seven
Scientific notation
2.8681307 × 10^7
Engineering notation
2.8681307 × 10^6
Prime Factorization
8287 × 3461
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28681307
Product of the distinct prime numbers
The prime factorization of 28681307 is 8287 × 3461.
Since it has a total of 2 prime factors.
10 , 9 , 70 , 61 , 919 , 15 , 6215 , 7485 , 90954 , 40723 , 163205 , 15929 , 6441379 , 680118 , 24670004 , 64798634 , 567430574 , 834697248 , 3856264242 , 2961029804
n×2
57362614
n×3
86043921
n×4
114725228
n×5
143406535
n÷2
14340653.5
n÷3
9560435.6666667
n÷3
7170326.75
n÷5
5736261.4
n2
822617371228249
n3
2.359374136773E+22
n4
6.7669933944647E+29
n5
1.9408621501362E+37
2 √n
5355.4931612317
3 √n
306.1021025704
4 √n
73.18123503489
5 √n
31.011286810976
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
-28681306
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 28681307 can be divided by 4 positive divisors.
The sum of these divisors (counting 28681307) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101011010010001011011
3
Ternary
1222222011100122
4
Quaternary
1231122101123
5
Quinary
24320300212
6
Senary
2502423455
8
Octal
155322133
10
Decimal
28681307
12
Duodecimal
9731b8b
16
Hexadecimal
1b5a45b
20
Vigesimal
8j5357
36
Base36
h2qmz
md5
4f7be3bc54b70cf0c43c6d7da38b3a69
sha1
b16828bfe97e59b93e3932e8caa6a27b3e33963a
sha256
08aee743b805ea7e63d79297dc13197d293422e5ccdb4019f5b0466fe96c04b4
sha512
fab069f0c536333706cb6fc0c7555424c96122c93018499722dae7ff8b40f51b57220d86b142e5b4d0181af19d2c511122cdd17e753a4d6b96229453b42939ea
ripemd-160
1e8e86ae09dd18383ef197fb678da99403c8a3a2
Diameter
57362614
Circumference
180209966.73311
Area
2.584328690166E+15
Volume
9.8829232735412E+22
Surface area
1.0337314760664E+16
Circumference
180209966.73311
Perimeter
114725228
Area
822617371228249
Diagonal
40561493.345986
Surface area
4935704227369494
Volume
2.359374136773E+22
Space diagonal
49677480.951481
Perimeter
86043921
Area
3.5620377053902E+14
Altitude
24838740.47574
Surface area
3.5620377053902E+14
Volume
2.7805490857806E+21
Height
13520497.781995