28542971 is an odd 8-digits composite number following 28542970
and preceding 28542972 . In scientific notation, it is written as 2.8542971 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 27622200 positive integers (up to 28542971) that are relatively prime to 28542971.
28542971 has 4 divisors, whose sum is 29463744
The reverse of 28542971 is 17924582
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million five hundred forty-two thousand nine hundred seventy-one
Scientific notation
2.8542971 × 10^7
Engineering notation
2.8542971 × 10^6
Prime Factorization
31 × 920741
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28542971
Product of the distinct prime numbers
The prime factorization of 28542971 is 31 × 920741.
Since it has a total of 2 prime factors.
7 , 8 , 16 , 72 , 551 , 862 , 3448 , 2330 , 93515 , 39541 , 115354 , 485774 , 1958957 , 7247685 , 57625882 , 63679899 , 460739939 , 840732116 , 8391056421 , 5860948057
n×2
57085942
n×3
85628913
n×4
114171884
n×5
142714855
n÷2
14271485.5
n÷3
9514323.6666667
n÷3
7135742.75
n÷5
5708594.2
n2
814701193506841
n3
2.3253992539931E+22
n4
6.6373803470147E+29
n5
1.8945055476081E+37
2 √n
5342.562213021
3 √n
305.6091775327
4 √n
73.092832843043
5 √n
30.981314132312
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
-28542970
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 28542971 can be divided by 4 positive divisors.
The sum of these divisors (counting 28542971) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100111000011111111011
3
Ternary
1222201010121002
4
Quaternary
1230320133323
5
Quinary
24301333341
6
Senary
2455435215
8
Octal
154703773
10
Decimal
28542971
12
Duodecimal
9685b0b
16
Hexadecimal
1b387fb
20
Vigesimal
8i7h8b
36
Base36
gzrwb
md5
a96c4b872ed8ead57a00b840c0cf2dd0
sha1
6c72b9dd9b40fbeb6be57d08d7345ba92ed7b2b2
sha256
b4775df869fee96c216695ea290f25f451478d4ea110072f1bfb44a7d25cc1ee
sha512
59b332d9e9aecc617c836834395df4631e359078b3a4babf350a39a93939b3beb8bd424f7b8d058111332b1330ee6ffea5fd955b13227315a9f9549717c96cda
ripemd-160
62bd2336afb0dee0cadcf629a63ffe6773f92f8d
Diameter
57085942
Circumference
179340776.01045
Area
2.5594592843919E+15
Volume
9.7406096173439E+22
Surface area
1.0237837137568E+16
Circumference
179340776.01045
Perimeter
114171884
Area
814701193506841
Diagonal
40365856.698622
Surface area
4888207161041046
Volume
2.3253992539931E+22
Space diagonal
49437875.970965
Perimeter
85628913
Area
3.5277596503521E+14
Altitude
24718937.985483
Surface area
3.5277596503521E+14
Volume
2.7405093024411E+21
Height
13455285.566207