28831421 is an odd 8-digits composite number following 28831420
and preceding 28831422 . In scientific notation, it is written as 2.8831421 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 28775772 positive integers (up to 28831421) that are relatively prime to 28831421.
28831421 has 4 divisors, whose sum is 28887072
The reverse of 28831421 is 12413882
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million eight hundred thirty-one thousand four hundred twenty-one
Scientific notation
2.8831421 × 10^7
Engineering notation
2.8831421 × 10^6
Prime Factorization
523 × 55127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28831421
Product of the distinct prime numbers
The prime factorization of 28831421 is 523 × 55127.
Since it has a total of 2 prime factors.
10 , 5 , 70 , 38 , 704 , 10 , 267 , 8939 , 11533 , 26629 , 111826 , 498634 , 3548266 , 6903161 , 15667499 , 64581552 , 740869692 , 549275370 , 4736814885 , 6517166850
n×2
57662842
n×3
86494263
n×4
115325684
n×5
144157105
n÷2
14415710.5
n÷3
9610473.6666667
n÷3
7207855.25
n÷5
5766284.2
n2
831250836879241
n3
2.3966142834668E+22
n4
6.9097795381244E+29
n5
1.9921876288085E+37
2 √n
5369.4898267899
3 √n
306.63520563095
4 √n
73.276802787716
5 √n
31.043680821982
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28831420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28831421 can be divided by 4 positive divisors.
The sum of these divisors (counting 28831421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101111110111010111101
3
Ternary
2000020210021102
4
Quaternary
1231332322331
5
Quinary
24340101141
6
Senary
2505542445
8
Octal
155767275
10
Decimal
28831421
12
Duodecimal
97a4a25
16
Hexadecimal
1b7eebd
20
Vigesimal
903ib1
36
Base36
h5ygt
md5
3c7716f7659e6a04a6abaf83ec7d3b53
sha1
510f858b864f01bc2ce43e16f50ea32b7a88c7ac
sha256
3e44cebbb45ed67cab46e948c190ace3fdf9f9c4a6f927c000310fe60b950e72
sha512
22984695765dff1fcfe5bd9eb1eb6b718488c6d0b6812bc71940bed354e3dcd18e8a07af907129d57110e9daa22afc55ae59330ecce0fb7dad481de673486634
ripemd-160
959e20b7696134931bdfa30431c79ad6981eb978
Diameter
57662842
Circumference
181153160.81231
Area
2.6114515224302E+15
Volume
1.0038914435237E+23
Surface area
1.0445806089721E+16
Circumference
181153160.81231
Perimeter
115325684
Area
831250836879241
Diagonal
40773786.600688
Surface area
4987505021275446
Volume
2.3966142834668E+22
Space diagonal
49937486.026408
Perimeter
86494263
Area
3.5994217082725E+14
Altitude
24968743.013204
Surface area
3.5994217082725E+14
Volume
2.8244370195465E+21
Height
13591262.200229