28440145 is an odd 8-digits composite number following 28440144
and preceding 28440146 . In scientific notation, it is written as 2.8440145 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 22733040 positive integers (up to 28440145) that are relatively prime to 28440145.
28440145 has 8 divisors, whose sum is 34156800
The reverse of 28440145 is 54104482
Previous prime number is 2399
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million four hundred forty thousand one hundred forty-five
Scientific notation
2.8440145 × 10^7
Engineering notation
2.8440145 × 10^6
Prime Factorization
5 × 2399 × 2371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28440145
Product of the distinct prime numbers
The prime factorization of 28440145 is 5 × 2399 × 2371.
Since it has a total of 3 prime factors.
10 , 4 , 75 , 87 , 170 , 623 , 6965 , 1167 , 82643 , 51392 , 62363 , 312402 , 8449813 , 3552896 , 30069125 , 7922162 , 275641562 , 145071763 , 2792350751 , 2203251259
n×2
56880290
n×3
85320435
n×4
113760580
n×5
142200725
n÷2
14220072.5
n÷3
9480048.3333333
n÷3
7110036.25
n÷5
5688029
n2
808841847621025
n3
2.300357942841E+22
n4
6.5422513446299E+29
n5
1.8606257686772E+37
2 √n
5332.9302451842
3 √n
305.24175046229
4 √n
73.026914525976
5 √n
30.958959871266
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
-28440144
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 28440145 can be divided by 8 positive divisors.
The sum of these divisors (counting 28440145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011111011001010001
3
Ternary
1222111220112201
4
Quaternary
1230133121101
5
Quinary
24240041040
6
Senary
2453323201
8
Octal
154373121
10
Decimal
28440145
12
Duodecimal
9636501
16
Hexadecimal
1b1f651
20
Vigesimal
8hf075
36
Base36
gxkk1
md5
d67cf653d910fcd45d84f57166dc012f
sha1
18bc72eadad7c843f382c7264c31ad2fa0267099
sha256
603f8f7e01d39ed0178a3ad2efebd72f5b8d502897261364c1df4e4ef38ca007
sha512
95948b1f031c837eb785acac367591149afba06c550b892490d6e9f80b56bc33f937587806ed293e6587f2446f9cb4cd29b771a1c97b043e24987a3682c41fd6
ripemd-160
aef01a15191ad1f283b00d9f4bb6d272bde09ba7
Diameter
56880290
Circumference
178694701.19806
Area
2.5410516064022E+15
Volume
9.6357168184749E+22
Surface area
1.0164206425609E+16
Circumference
178694701.19806
Perimeter
113760580
Area
808841847621025
Diagonal
40220438.774857
Surface area
4853051085726150
Volume
2.300357942841E+22
Space diagonal
49259776.114626
Perimeter
85320435
Area
3.5023879384187E+14
Altitude
24629888.057313
Surface area
3.5023879384187E+14
Volume
2.710997834232E+21
Height
13406812.924952