28854021 is an odd 8-digits composite number following 28854020
and preceding 28854022 . In scientific notation, it is written as 2.8854021 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 16414464 positive integers (up to 28854021) that are relatively prime to 28854021.
28854021 has 16 divisors, whose sum is 44164224
The reverse of 28854021 is 12045882
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million eight hundred fifty-four thousand twenty-one
Scientific notation
2.8854021 × 10^7
Engineering notation
2.8854021 × 10^6
Prime Factorization
3 × 7 × 233 × 5897
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28854021
Product of the distinct prime numbers
The prime factorization of 28854021 is 3 × 7 × 233 × 5897.
Since it has a total of 4 prime factors.
9 , 7 , 41 , 71 , 415 , 304 , 6315 , 5147 , 21002 , 82064 , 342165 , 232253 , 8882330 , 7864077 , 26510427 , 33717262 , 812157000 , 520843765 , 1771113933 , 7484783050
n×2
57708042
n×3
86562063
n×4
115416084
n×5
144270105
n÷2
14427010.5
n÷3
9618007
n÷3
7213505.25
n÷5
5770804.2
n2
832554527868441
n3
2.4022545830761E+22
n4
6.9314704187424E+29
n5
2.0000079302327E+37
2 √n
5371.5938975317
3 √n
306.71530511355
4 √n
73.291158385795
5 √n
31.048546120225
1 , 3 , 7 , 21 , 233 , 699 , 1631 , 4893 , 5897 , 17691 , 41279 , 123837 , 1374001 , 4122003 , 9618007 , 28854021
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
-28854020
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 28854021 can be divided by 16 positive divisors.
The sum of these divisors (counting 28854021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110000100011100000101
3
Ternary
2000021221021110
4
Quaternary
1232010130011
5
Quinary
24341312041
6
Senary
2510235233
8
Octal
156043405
10
Decimal
28854021
12
Duodecimal
97b5b19
16
Hexadecimal
1b84705
20
Vigesimal
906f11
36
Base36
h6fwl
md5
922cfe0170671604c25b6c9e2d5f4b98
sha1
dcd827936784445ea338c2bb3849d2b63ba83d09
sha256
e397e90daed4fb6c539e636d1c97d7d8946ff35674c6e9bf33b99e6fe631a17f
sha512
6a3098772fc09e4702b52ecba8d3df297e6074673789db9a89df6209838bfbc5c14ca1c261766f4054e9d81c77f6ead133bb5dce7764742b8728eb81c146a2f7
ripemd-160
6e5a5c0f8d29bad127fcc3d688aae27d971582cb
Diameter
57708042
Circumference
181295160.80025
Area
2.6155471884644E+15
Volume
1.0062540466992E+23
Surface area
1.0462188753858E+16
Circumference
181295160.80025
Perimeter
115416084
Area
832554527868441
Diagonal
40805747.827198
Surface area
4995327167210646
Volume
2.4022545830761E+22
Space diagonal
49976630.374659
Perimeter
86562063
Area
3.6050668558491E+14
Altitude
24988315.18733
Surface area
3.6050668558491E+14
Volume
2.8310841763826E+21
Height
13601915.942399