28490815 is an odd 8-digits composite number following 28490814
and preceding 28490816 . In scientific notation, it is written as 2.8490815 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 22792648 positive integers (up to 28490815) that are relatively prime to 28490815.
28490815 has 4 divisors, whose sum is 34188984
The reverse of 28490815 is 51809482
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million four hundred ninety thousand eight hundred fifteen
Scientific notation
2.8490815 × 10^7
Engineering notation
2.8490815 × 10^6
Prime Factorization
5 × 5698163
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28490815
Product of the distinct prime numbers
The prime factorization of 28490815 is 5 × 5698163.
Since it has a total of 2 prime factors.
8 , 5 , 30 , 12 , 120 , 666 , 1174 , 3089 , 18944 , 87141 , 265203 , 312950 , 6225729 , 4370929 , 75706040 , 19129692 , 634218143 , 499787013 , 7456768183 , 7990367001
n×2
56981630
n×3
85472445
n×4
113963260
n×5
142454075
n÷2
14245407.5
n÷3
9496938.3333333
n÷3
7122703.75
n÷5
5698163
n2
811726539364225
n3
2.3126750663616E+22
n4
6.5889997470822E+29
n5
1.8772597282917E+37
2 √n
5337.6788026257
3 √n
305.42291952561
4 √n
73.059419670743
5 √n
30.96998354049
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
-28490814
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 28490815 can be divided by 4 positive divisors.
The sum of these divisors (counting 28490815) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011110000111111
3
Ternary
1222121111001101
4
Quaternary
1230223300333
5
Quinary
24243201230
6
Senary
2454353531
8
Octal
154536077
10
Decimal
28490815
12
Duodecimal
965b8a7
16
Hexadecimal
1b2bc3f
20
Vigesimal
8i170f
36
Base36
gynnj
md5
10b0bc54ca6b73b7cd630b6152ec99df
sha1
dc63569a8810c21ba2e9c26a237a9d97fead3535
sha256
62ff238ec8ee19f485917868282e60dafad2ade08d64692f29b259b5c00ba9e2
sha512
76dde2877fdb3cf5b54d07a0ee0dcb91b383ae75c4738d37be48807b12be2666c5ca6c8afcdc513ca39570d3f128dee8123e6896913121f50460e750530f779a
ripemd-160
6d28664eb6bc08716f0809797e5f6dc8fa425f92
Diameter
56981630
Circumference
179013070.19757
Area
2.5501141327905E+15
Volume
9.6873106648293E+22
Surface area
1.0200456531162E+16
Circumference
179013070.19757
Perimeter
113963260
Area
811726539364225
Diagonal
40292096.976063
Surface area
4870359236185350
Volume
2.3126750663616E+22
Space diagonal
49347539.129045
Perimeter
85472445
Area
3.5148790200772E+14
Altitude
24673769.564523
Surface area
3.5148790200772E+14
Volume
2.7255137035089E+21
Height
13430698.992021