28542839 is an odd 8-digits composite number following 28542838
and preceding 28542840 . In scientific notation, it is written as 2.8542839 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 25201440 positive integers (up to 28542839) that are relatively prime to 28542839.
28542839 has 8 divisors, whose sum is 32075232
The reverse of 28542839 is 93824582
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million five hundred forty-two thousand eight hundred thirty-nine
Scientific notation
2.8542839 × 10^7
Engineering notation
2.8542839 × 10^6
Prime Factorization
13 × 23 × 95461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28542839
Product of the distinct prime numbers
The prime factorization of 28542839 is 13 × 23 × 95461.
Since it has a total of 3 prime factors.
7 , 5 , 96 , 44 , 573 , 59 , 4072 , 5477 , 30033 , 96264 , 751001 , 765330 , 598488 , 651640 , 60291109 , 75101464 , 683952835 , 303003375 , 4515073771 , 347921805
n×2
57085678
n×3
85628517
n×4
114171356
n×5
142714195
n÷2
14271419.5
n÷3
9514279.6666667
n÷3
7135709.75
n÷5
5708567.8
n2
814693658179921
n3
2.3253669919751E+22
n4
6.6372575667858E+29
n5
1.894461741303E+37
2 √n
5342.5498593836
3 √n
305.60870642461
4 √n
73.092748336505
5 √n
30.981285476983
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28542838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28542839 can be divided by 8 positive divisors.
The sum of these divisors (counting 28542839) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100111000011101110111
3
Ternary
1222201010102012
4
Quaternary
1230320131313
5
Quinary
24301332324
6
Senary
2455434435
8
Octal
154703567
10
Decimal
28542839
12
Duodecimal
9685a1b
16
Hexadecimal
1b38777
20
Vigesimal
8i7h1j
36
Base36
gzrsn
md5
154522c22cb8cfe12aa3881c3c1e862a
sha1
fae0801c34f680b8f3aeafe7de191bd0e28c63ec
sha256
ad79f2a98e9396c781ed9a0f3714a49c5fb36358c480d05af033f5a7c4e05ebb
sha512
1ef6c197a4da4e238da7cc983140c8817311188c4e5a382d874c60fd93a304d118d4c3194ea84faab4f1e61ea270b4e1c0077a4614f0ea3e56d4494b52ab50dd
ripemd-160
617bc16672e31a6f373feb47906bf4da37be8c7c
Diameter
57085678
Circumference
179339946.62999
Area
2.5594356114642E+15
Volume
9.7404744785187E+22
Surface area
1.0237742445857E+16
Circumference
179339946.62999
Perimeter
114171356
Area
814693658179921
Diagonal
40365670.022432
Surface area
4888161949079526
Volume
2.3253669919751E+22
Space diagonal
49437647.340258
Perimeter
85628517
Area
3.5277270214294E+14
Altitude
24718823.670129
Surface area
3.5277270214294E+14
Volume
2.7404712812882E+21
Height
13455223.340811