28542821 is an odd 8-digits prime number following 28542820
and preceding 28542822 . In scientific notation, it is written as 2.8542821 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 28542820 positive integers (up to 28542821) that are relatively prime to 28542821.
28542821 has 2 divisors, whose sum is 28542822
The reverse of 28542821 is 12824582
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 32 Digital Root 5
Name
twenty-eight million five hundred forty-two thousand eight hundred twenty-one
Scientific notation
2.8542821 × 10^7
Engineering notation
2.8542821 × 10^6
Prime Factorization
28542821
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28542821 Product of the distinct prime numbers
The prime factorization of 28542821 is 28542821.
Since it has a total of 1 prime factors.
9 , 8 , 80 , 83 , 707 , 19 , 3852 , 4385 , 73100 , 56907 , 755098 , 413035 , 4866484 , 9367028 , 36348843 , 10020367 , 399962402 , 657851209 , 2068395701 , 4822979565
n×2
57085642
n×3
85628463
n×4
114171284
n×5
142714105
n÷2
14271410.5
n÷3
9514273.6666667
n÷3
7135705.25
n÷5
5708564.2
n2
814692630638041
n3
2.3253625926321E+22
n4
6.6372408241593E+29
n5
1.8944557677787E+37
2 √n5342.5481747945
3 √n305.60864218248
4 √n73.092736812863
5 √n30.98128156943
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28542822 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14271411 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5342.5482683828 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999299298 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28542821 can be divided by 2 positive divisors.
The sum of these divisors (counting 28542821) is 28542822, the average is 14271411.
Base
System
Value
2
Binary
1101100111000011101100101
3
Ternary
1222201010101112
4
Quaternary
1230320131211
5
Quinary
24301332241
6
Senary
2455434405
8
Octal
154703545
10
Decimal
28542821
12
Duodecimal
9685a05
16
Hexadecimal
1b38765
20
Vigesimal
8i7h11
36
Base36
gzrs5
md5
499d919da6d3294f59ed6c2bb10b4b8d
sha1
7d681957950955fc222d678c09cd048970e0e5c0
sha256
91e007840d4459c64a115102b59074246f72ed45edc071f3137e79a8dcdc2996
sha512
dc10a0af191b41efa276cb34b640f591abbc2989515487b729e48c745b634accbaaafcfbc0194158d07987498767fc48c502e41093073c04275b948258d407fb
ripemd-160
d99a42aabbf723a7134723391277df1a65c9cc05
Diameter
57085642
Circumference
179339833.53266
Area
2.5594323833462E+15
Volume
9.7404560505939E+22
Surface area
1.0237729533385E+16
Circumference
179339833.53266
Perimeter
114171284
Area
814692630638041
Diagonal
40365644.566588
Surface area
4888155783828246
Volume
2.3253625926321E+22
Space diagonal
49437616.163344
Perimeter
85628463
Area
3.5277225720426E+14
Altitude
24718808.081672
Surface area
3.5277225720426E+14
Volume
2.7404660966128E+21
Height
13455214.855529