28542689 is an odd 8-digits composite number following 28542688
and preceding 28542690 . In scientific notation, it is written as 2.8542689 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 24465156 positive integers (up to 28542689) that are relatively prime to 28542689.
28542689 has 4 divisors, whose sum is 32620224
The reverse of 28542689 is 98624582
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million five hundred forty-two thousand six hundred eighty-nine
Scientific notation
2.8542689 × 10^7
Engineering notation
2.8542689 × 10^6
Prime Factorization
7 × 4077527
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28542689
Product of the distinct prime numbers
The prime factorization of 28542689 is 7 × 4077527.
Since it has a total of 2 prime factors.
10 , 6 , 68 , 72 , 300 , 216 , 9367 , 2964 , 21225 , 16575 , 273719 , 152406 , 8492402 , 8233497 , 9462892 , 4113908 , 932714399 , 884253831 , 2666068138 , 2338431843
n×2
57085378
n×3
85628067
n×4
114170756
n×5
142713445
n÷2
14271344.5
n÷3
9514229.6666667
n÷3
7135672.25
n÷5
5708537.8
n2
814685095350721
n3
2.3253303309531E+22
n4
6.6371180458661E+29
n5
1.8944119623944E+37
2 √n
5342.5358211246
3 √n
305.60817107274
4 √n
73.092652305992
5 √n
30.981252913981
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
-28542688
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 28542689 can be divided by 4 positive divisors.
The sum of these divisors (counting 28542689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100111000011011100001
3
Ternary
1222201010012122
4
Quaternary
1230320123201
5
Quinary
24301331224
6
Senary
2455434025
8
Octal
154703341
10
Decimal
28542689
12
Duodecimal
9685915
16
Hexadecimal
1b386e1
20
Vigesimal
8i7ge9
36
Base36
gzroh
md5
6e719942d62de3c90fb82bc428eb1f30
sha1
2b2c77c07dc5058802a89a210b00a7f72cb71a2f
sha256
e842d74f79efc5cc7f7c9d88ea690684e13189be144821b7c3f68e3350ddf247
sha512
2899e5c35d49161ba42d772a72e49141300f6d3d8aa8b2afef38e15b47c71e80a4c6c28cbe7cb7ddb5333f87ed837c7d7497291e413c3a49cc25eb4d98150276
ripemd-160
fc181c20503e3d0efd30fd84ed1781017ee916b7
Diameter
57085378
Circumference
179339004.1522
Area
2.5594087105429E+15
Volume
9.740320913189E+22
Surface area
1.0237634842172E+16
Circumference
179339004.1522
Perimeter
114170756
Area
814685095350721
Diagonal
40365457.890397
Surface area
4888110572104326
Volume
2.3253303309531E+22
Space diagonal
49437387.532637
Perimeter
85628067
Area
3.5276899432914E+14
Altitude
24718693.766319
Surface area
3.5276899432914E+14
Volume
2.7404280758595E+21
Height
13455152.630132