28581007 is an odd 8-digits composite number following 28581006
and preceding 28581008 . In scientific notation, it is written as 2.8581007 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 22613472 positive integers (up to 28581007) that are relatively prime to 28581007.
28581007 has 4 divisors, whose sum is 28895176
The reverse of 28581007 is 70018582
Previous prime number is 91
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million five hundred eighty-one thousand seven
Scientific notation
2.8581007 × 10^7
Engineering notation
2.8581007 × 10^6
Prime Factorization
91 × 314077
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28581007
Product of the distinct prime numbers
The prime factorization of 28581007 is 91 × 314077.
Since it has a total of 2 prime factors.
6 , 7 , 23 , 2 , 113 , 971 , 278 , 832 , 14258 , 28839 , 909636 , 363783 , 3476390 , 9549149 , 12930175 , 42091855 , 732096199 , 691955628 , 6148282606 , 8865849987
n×2
57162014
n×3
85743021
n×4
114324028
n×5
142905035
n÷2
14290503.5
n÷3
9527002.3333333
n÷3
7145251.75
n÷5
5716201.4
n2
816873961134049
n3
2.334708040129E+22
n4
6.6728306837883E+29
n5
1.9071622048317E+37
2 √n
5346.1207431183
3 √n
305.74486757815
4 √n
73.117171328754
5 √n
30.989566795533
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
-28581006
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 28581007 can be divided by 4 positive divisors.
The sum of these divisors (counting 28581007) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101000001110010001111
3
Ternary
1222210001202211
4
Quaternary
1231001302033
5
Quinary
24304043012
6
Senary
2500331251
8
Octal
155016217
10
Decimal
28581007
12
Duodecimal
96a3b27
16
Hexadecimal
1b41c8f
20
Vigesimal
8icca7
36
Base36
h0l8v
md5
6ff29bcabcad14b4bf87c17d8b3d9cc9
sha1
559990a92b5d5fc585d063255e9e77c3ae073040
sha256
02f8164888087c1339254e102ea805163bcaf64ca5ca857e8ca1f9d3864490bb
sha512
a13b4927c2fe1f07aa9ef1a48bae930993b05e4b45f312c077f892c4f52892e976e43514d80f571513683e619cf27e37a977a571a1267ee7c2a2e0a4f55e0a06
ripemd-160
e31747c2b1de5f7ba7d6ae9deb94ca0edfaa11f0
Diameter
57162014
Circumference
179579763.2468
Area
2.5662852352075E+15
Volume
9.7796021695284E+22
Surface area
1.026514094083E+16
Circumference
179579763.2468
Perimeter
114324028
Area
816873961134049
Diagonal
40419647.72568
Surface area
4901243766804294
Volume
2.334708040129E+22
Space diagonal
49503756.255482
Perimeter
85743021
Area
3.5371680101605E+14
Altitude
24751878.127741
Surface area
3.5371680101605E+14
Volume
2.7514798121099E+21
Height
13473215.90856