28520265 is an odd 8-digits composite number following 28520264
and preceding 28520266 . In scientific notation, it is written as 2.8520265 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 15182016 positive integers (up to 28520265) that are relatively prime to 28520265.
28520265 has 16 divisors, whose sum is 45718848
The reverse of 28520265 is 56202582
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million five hundred twenty thousand two hundred sixty-five
Scientific notation
2.8520265 × 10^7
Engineering notation
2.8520265 × 10^6
Prime Factorization
3 × 5 × 643 × 2957
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28520265
Product of the distinct prime numbers
The prime factorization of 28520265 is 3 × 5 × 643 × 2957.
Since it has a total of 4 prime factors.
6 , 8 , 59 , 7 , 86 , 503 , 6877 , 1065 , 11576 , 88979 , 242394 , 572327 , 2350142 , 7064750 , 45210771 , 17361048 , 98324717 , 900214266 , 7104383113 , 9973688482
n×2
57040530
n×3
85560795
n×4
114081060
n×5
142601325
n÷2
14260132.5
n÷3
9506755
n÷3
7130066.25
n÷5
5704053
n2
813405515670225
n3
2.3198540859376E+22
n4
6.6162853292274E+29
n5
1.8869821090518E+37
2 √n
5340.4367798898
3 √n
305.52811843016
4 √n
73.078292124884
5 √n
30.976383421575
1 , 3 , 5 , 15 , 643 , 1929 , 2957 , 3215 , 8871 , 9645 , 14785 , 44355 , 1901351 , 5704053 , 9506755 , 28520265
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28520264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28520265 can be divided by 16 positive divisors.
The sum of these divisors (counting 28520265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100110010111101001001
3
Ternary
1222122222110010
4
Quaternary
1230302331021
5
Quinary
24300122030
6
Senary
2455142133
8
Octal
154627511
10
Decimal
28520265
12
Duodecimal
9674949
16
Hexadecimal
1b32f49
20
Vigesimal
8i50d5
36
Base36
gzadl
md5
4d87e61179fb56d81a8ba60ef8380b71
sha1
6a3f11deca4d17533fbddc0f51a0998240b8a2e3
sha256
d53e690bf65e418d51a8c13e62e51462ac703e3f637b3592592eada99d5ee4dd
sha512
e1d1adfc0a80ed31bfcc02d81356f4cc36dfdc218c2d0ecc50e0d53d623a921e384030cbb82d7a24c0a58d2bb0eab31674dbe31a2dd7cc176b675bb984aa06cc
ripemd-160
58bfeed467012ed997ef434f6a3c2d2fd9f1f216
Diameter
57040530
Circumference
179198110.00487
Area
2.555388792419E+15
Volume
9.7173820717093E+22
Surface area
1.0221555169676E+16
Circumference
179198110.00487
Perimeter
114081060
Area
813405515670225
Diagonal
40333745.565475
Surface area
4880433094021350
Volume
2.3198540859376E+22
Space diagonal
49398548.025328
Perimeter
85560795
Area
3.522149200744E+14
Altitude
24699274.012664
Surface area
3.522149200744E+14
Volume
2.7339742592164E+21
Height
13444581.855158