28455870 is an even 8-digits composite number following 28455869
and preceding 28455871 . In scientific notation, it is written as 2.8455870 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 7556000 positive integers (up to 28455870) that are relatively prime to 28455870.
28455870 has 32 divisors, whose sum is 68584320
The reverse of 28455870 is 07855482
Previous prime number is 3779
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred fifty-five thousand eight hundred seventy
Scientific notation
2.8455870 × 10^7
Engineering notation
2.8455870 × 10^6
Prime Factorization
2 × 3 × 5 × 3779 × 251
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28455870
Product of the distinct prime numbers
The prime factorization of 28455870 is 2 × 3 × 5 × 3779 × 251.
Since it has a total of 5 prime factors.
8 , 6 , 65 , 77 , 25 , 122 , 9719 , 580 , 48181 , 73104 , 946492 , 802871 , 8710601 , 5382468 , 8877187 , 29639012 , 248650604 , 34428345 , 6432188145 , 5856751258
n×2
56911740
n×3
85367610
n×4
113823480
n×5
142279350
n÷2
14227935
n÷3
9485290
n÷3
7113967.5
n÷5
5691174
n2
809736537456900
n3
2.3041757644124E+22
n4
6.5567326009269E+29
n5
1.8657753051674E+37
2 √n
5334.4043716239
3 √n
305.29799773935
4 √n
73.037006863808
5 √n
30.962382652756
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 251 , 502 , 753 , 1255 , 1506 , 2510 , 3765 , 3779 , 7530 , 7558 , 11337 , 18895 , 22674 , 37790 , 56685 , 113370 , 948529 , 1897058 , 2845587 , 4742645 , 5691174 , 9485290 , 14227935 , 28455870
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28455869
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28455870 can be divided by 32 positive divisors.
The sum of these divisors (counting 28455870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100100011001110111110
3
Ternary
1222112201010010
4
Quaternary
1230203032332
5
Quinary
24241041440
6
Senary
2453524050
8
Octal
154431676
10
Decimal
28455870
12
Duodecimal
9643626
16
Hexadecimal
1b233be
20
Vigesimal
8hgjda
36
Base36
gxwou
md5
2b7b7e4a0743f4c9c0aef31e1922d81a
sha1
b03ccafaaa0d459fc9e8b1f0d8dd4352ce8c587a
sha256
0050c6b719c2e0b58203be1fb7fd7b28730026715f50c086a91f6d572585a64f
sha512
e262baae030cd7c902c9deeeb35fd17131524491a6ce3ee3ca3ce85faccb7466b19bbb27dfbf583d8b613185c9e8b2701df541140dd941c1e8fd685d14e273c8
ripemd-160
28c2a405ed178481d598f348b196555cabc677f6
Diameter
56911740
Circumference
178793504.28701
Area
2.5438623574178E+15
Volume
9.6517088720767E+22
Surface area
1.0175449429671E+16
Circumference
178793504.28701
Perimeter
113823480
Area
809736537456900
Diagonal
40242677.283126
Surface area
4858419224741400
Volume
2.3041757644124E+22
Space diagonal
49287012.613575
Perimeter
85367610
Area
3.5062620590506E+14
Altitude
24643506.306787
Surface area
3.5062620590506E+14
Volume
2.7154971801028E+21
Height
13414225.761042