28542493 is an odd 8-digits composite number following 28542492
and preceding 28542494 . In scientific notation, it is written as 2.8542493 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 24464988 positive integers (up to 28542493) that are relatively prime to 28542493.
28542493 has 4 divisors, whose sum is 32620000
The reverse of 28542493 is 39424582
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million five hundred forty-two thousand four hundred ninety-three
Scientific notation
2.8542493 × 10^7
Engineering notation
2.8542493 × 10^6
Prime Factorization
7 × 4077499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28542493
Product of the distinct prime numbers
The prime factorization of 28542493 is 7 × 4077499.
Since it has a total of 2 prime factors.
2 , 1 , 91 , 74 , 506 , 405 , 2346 , 5191 , 53475 , 63452 , 450268 , 522289 , 2341776 , 6144602 , 68400151 , 86343948 , 332745180 , 181145912 , 3839972603 , 8435931210
n×2
57084986
n×3
85627479
n×4
114169972
n×5
142712465
n÷2
14271246.5
n÷3
9514164.3333333
n÷3
7135623.25
n÷5
5708498.6
n2
814673906655049
n3
2.3252824277984E+22
n4
6.636935741846E+29
n5
1.8943469195309E+37
2 √n
5342.517477744
3 √n
305.60747154348
4 √n
73.092526825552
5 √n
30.981210364786
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
-28542492
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 28542493 can be divided by 4 positive divisors.
The sum of these divisors (counting 28542493) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100111000011000011101
3
Ternary
1222201002221101
4
Quaternary
1230320120131
5
Quinary
24301324433
6
Senary
2455433101
8
Octal
154703035
10
Decimal
28542493
12
Duodecimal
9685791
16
Hexadecimal
1b3861d
20
Vigesimal
8i7g4d
36
Base36
gzrj1
md5
acf6e62ce3b157eafb6c57df9609c6b0
sha1
0aff91247a21203c943a42dad5abf0aefc29cfbe
sha256
ae282c779e0db407be8485343ea84ea5f410288894cdad9560605b5e4ea05f56
sha512
b58d95e0f93432a06ac5fb4e475665116f1a6c3b467b1038dd628a26de89c327fa8cc4661b60d617cefd2991adc8529c9ad9f8b149cbc115aa8c851994a0eb57
ripemd-160
0348463aa33ddd4ee0f0f590686ae6d55e6adbfb
Diameter
57084986
Circumference
179337772.64788
Area
2.5593735602188E+15
Volume
9.740120256924E+22
Surface area
1.0237494240875E+16
Circumference
179337772.64788
Perimeter
114169972
Area
814673906655049
Diagonal
40365180.704539
Surface area
4888043439930294
Volume
2.3252824277984E+22
Space diagonal
49437048.050679
Perimeter
85627479
Area
3.5276414948179E+14
Altitude
24718524.02534
Surface area
3.5276414948179E+14
Volume
2.7403716214503E+21
Height
13455060.234846