28132521 is an odd 8-digits composite number following 28132520
and preceding 28132522 . In scientific notation, it is written as 2.8132521 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 17521920 positive integers (up to 28132521) that are relatively prime to 28132521.
28132521 has 16 divisors, whose sum is 40031040
The reverse of 28132521 is 12523182
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million one hundred thirty-two thousand five hundred twenty-one
Scientific notation
2.8132521 × 10^7
Engineering notation
2.8132521 × 10^6
Prime Factorization
3 × 19 × 73 × 6761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28132521
Product of the distinct prime numbers
The prime factorization of 28132521 is 3 × 19 × 73 × 6761.
Since it has a total of 4 prime factors.
8 , 6 , 32 , 20 , 726 , 549 , 3589 , 8925 , 9409 , 5116 , 753765 , 695249 , 1181055 , 7433893 , 52343251 , 43919415 , 754852809 , 446803227 , 9335406966 , 3745279113
n×2
56265042
n×3
84397563
n×4
112530084
n×5
140662605
n÷2
14066260.5
n÷3
9377507
n÷3
7033130.25
n÷5
5626504.2
n2
791438737815441
n3
2.2265166911806E+22
n4
6.263752757149E+29
n5
1.762151559793E+37
2 √n
5304.0098981808
3 √n
304.1372050612
4 √n
72.828633779447
5 √n
30.891694433531
1 , 3 , 19 , 57 , 73 , 219 , 1387 , 4161 , 6761 , 20283 , 128459 , 385377 , 493553 , 1480659 , 9377507 , 28132521
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
-28132520
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 28132521 can be divided by 16 positive divisors.
The sum of these divisors (counting 28132521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010100010010101001
3
Ternary
1221221021120020
4
Quaternary
1223110102221
5
Quinary
24200220041
6
Senary
2442551053
8
Octal
153242251
10
Decimal
28132521
12
Duodecimal
9508489
16
Hexadecimal
1ad44a9
20
Vigesimal
8fgb61
36
Base36
gqz6x
md5
da8eec9f2b0717150c468294b81a3aa9
sha1
4c586755b7541535c384b3ec801ce81298f42bd4
sha256
315cc0424463b82860c6f8433dcdf669ed5ecbc3d83e8c80145fab5343bf42c7
sha512
90c17296a0fa28543baef46c16e8120e898f41084ea4c8678a63b9b3fb98456c069895be7aa4b3306b4ad8a6a9c811163991e3097fa3d40a871998eb8dce8512
ripemd-160
a7f654aa994be22b15a971f5ffe03608c06dca1a
Diameter
56265042
Circumference
176761842.60112
Area
2.4863781244874E+15
Volume
9.3264113068109E+22
Surface area
9.9455124979495E+15
Circumference
176761842.60112
Perimeter
112530084
Area
791438737815441
Diagonal
39785392.741946
Surface area
4748632426892646
Volume
2.2265166911806E+22
Space diagonal
48726955.716998
Perimeter
84397563
Area
3.4270302624363E+14
Altitude
24363477.858499
Surface area
3.4270302624363E+14
Volume
2.6239750845981E+21
Height
13261797.580649