28992145 is an odd 8-digits composite number following 28992144
and preceding 28992146 . In scientific notation, it is written as 2.8992145 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 18350784 positive integers (up to 28992145) that are relatively prime to 28992145.
28992145 has 8 divisors, whose sum is 33644160
The reverse of 28992145 is 54129982
Previous prime number is 65
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million nine hundred ninety-two thousand one hundred forty-five
Scientific notation
2.8992145 × 10^7
Engineering notation
2.8992145 × 10^6
Prime Factorization
7 × 65 × 63719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28992145
Product of the distinct prime numbers
The prime factorization of 28992145 is 7 × 65 × 63719.
Since it has a total of 3 prime factors.
4 , 6 , 88 , 13 , 384 , 45 , 5923 , 6760 , 38546 , 60537 , 955911 , 448329 , 5681191 , 5411633 , 77213021 , 50786847 , 409407321 , 279236962 , 3183235508 , 4154407797
n×2
57984290
n×3
86976435
n×4
115968580
n×5
144960725
n÷2
14496072.5
n÷3
9664048.3333333
n÷3
7248036.25
n÷5
5798429
n2
840544471701025
n3
2.4369187202505E+22
n4
7.0651500890716E+29
n5
2.0483385582913E+37
2 √n
5384.4354393009
3 √n
307.20394092732
4 √n
73.378712439651
5 √n
31.078215199544
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
-28992144
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 28992145 can be divided by 8 positive divisors.
The sum of these divisors (counting 28992145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100110001010010001
3
Ternary
2000112221202011
4
Quaternary
1232212022101
5
Quinary
24410222040
6
Senary
2513222521
8
Octal
156461221
10
Decimal
28992145
12
Duodecimal
9861a41
16
Hexadecimal
1ba6291
20
Vigesimal
914075
36
Base36
h9ehd
md5
20fd31da00078dd44c854677d35497ce
sha1
b98e8f02f562f461f0454931e083610cd9578b3b
sha256
fe7027997b30b5231b581f21293e9986409e9b91e09ec4ca5f9ab61059860e16
sha512
dc35fd900fc286102ca36e71381f03e5aea695c272f1a39ba56de5b7e4f29484d72ff29c5827f0d032cfb3a97ed3d4e9a971d4aee07f293c727360648caca3dc
ripemd-160
6a8dea3f11a527b1d042e3fbeb13e885d49677de
Diameter
57984290
Circumference
182163019.48762
Area
2.6406483373115E+15
Volume
1.0207741265246E+23
Surface area
1.0562593349246E+16
Circumference
182163019.48762
Perimeter
115968580
Area
840544471701025
Diagonal
41001084.661287
Surface area
5043266830206150
Volume
2.4369187202505E+22
Space diagonal
50215868.160404
Perimeter
86976435
Area
3.6396643275183E+14
Altitude
25107934.080202
Surface area
3.6396643275183E+14
Volume
2.8719362538159E+21
Height
13667028.220429