28821449 is an odd 8-digits prime number following 28821448
and preceding 28821450 . In scientific notation, it is written as 2.8821449 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 28821448 positive integers (up to 28821449) that are relatively prime to 28821449.
28821449 has 2 divisors, whose sum is 28821450
The reverse of 28821449 is 94412882
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-eight million eight hundred twenty-one thousand four hundred forty-nine
Scientific notation
2.8821449 × 10^7
Engineering notation
2.8821449 × 10^6
Prime Factorization
28821449
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28821449 Product of the distinct prime numbers
The prime factorization of 28821449 is 28821449.
Since it has a total of 1 prime factors.
1 , 10 , 13 , 21 , 440 , 159 , 2951 , 8459 , 23227 , 16784 , 245957 , 750730 , 9856862 , 463695 , 44654174 , 64132380 , 278807383 , 435952011 , 7074371986 , 6421245890
n×2
57642898
n×3
86464347
n×4
115285796
n×5
144107245
n÷2
14410724.5
n÷3
9607149.6666667
n÷3
7205362.25
n÷5
5764289.8
n2
830675922459601
n3
2.3941283734697E+22
n4
6.9002248815411E+29
n5
1.9887447951187E+37
2 √n5368.5611666442
3 √n306.5998493106
4 √n73.270465855242
5 √n31.041533092792
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28821450 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14410725 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5368.561259779 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999306072 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28821449 can be divided by 2 positive divisors.
The sum of these divisors (counting 28821449) is 28821450, the average is 14410725.
Base
System
Value
2
Binary
1101101111100011111001001
3
Ternary
2000020021121002
4
Quaternary
1231330133021
5
Quinary
24334241244
6
Senary
2505424345
8
Octal
155743711
10
Decimal
28821449
12
Duodecimal
979b0b5
16
Hexadecimal
1b7c7c9
20
Vigesimal
902dc9
36
Base36
h5qrt
md5
3c78a4917df165825845b3fbb0f1aa74
sha1
a07ebcd4fef5f6c2ee5359b48e8bfbdefceba1e1
sha256
4a995388a70ae631b3024621e303c65083e0aa3c0ab89f30eba0778aa170e38e
sha512
9267f384ee39f21bf5094115ff2ed02b80c9dcadd5f474ee2fd9f39c768477a428f27f45ff3727132928714c8591449c6732f5db75dea3386e2a3769f29e29c2
ripemd-160
8276e80cbf4f9a83fff603b211d01031db4675fe
Diameter
57642898
Circumference
181090504.88843
Area
2.609645375513E+15
Volume
1.0028501479791E+23
Surface area
1.0438581502052E+16
Circumference
181090504.88843
Perimeter
115285796
Area
830675922459601
Diagonal
40759684.063044
Surface area
4984055534757606
Volume
2.3941283734697E+22
Space diagonal
49920214.015755
Perimeter
86464347
Area
3.5969322558104E+14
Altitude
24960107.007878
Surface area
3.5969322558104E+14
Volume
2.8215073465193E+21
Height
13586561.354348