28542489 is an odd 8-digits composite number following 28542488
and preceding 28542490 . In scientific notation, it is written as 2.8542489 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 18057024 positive integers (up to 28542489) that are relatively prime to 28542489.
28542489 has 12 divisors, whose sum is 38892624
The reverse of 28542489 is 98424582
Previous prime number is 4307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million five hundred forty-two thousand four hundred eighty-nine
Scientific notation
2.8542489 × 10^7
Engineering notation
2.8542489 × 10^6
Prime Factorization
47 × 3 × 4307 × 47
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
607287
Product of the distinct prime numbers
The prime factorization of 28542489 is 47 × 3 × 4307 × 47.
Since it has a total of 4 prime factors.
10 , 4 , 93 , 74 , 891 , 311 , 4058 , 1981 , 48428 , 21644 , 228291 , 365472 , 892559 , 6793653 , 56573736 , 36516085 , 309632876 , 539691591 , 4415934414 , 5474317938
n×2
57084978
n×3
85627467
n×4
114169956
n×5
142712445
n÷2
14271244.5
n÷3
9514163
n÷3
7135622.25
n÷5
5708497.8
n2
814673678315121
n3
2.3252814501899E+22
n4
6.6369320213949E+29
n5
1.8943455921441E+37
2 √n
5342.5171033886
3 √n
305.60745726734
4 √n
73.09252426472
5 √n
30.981209496433
1 , 3 , 47 , 141 , 2209 , 4307 , 6627 , 12921 , 202429 , 607287 , 9514163 , 28542489
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28542488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28542489 can be divided by 12 positive divisors.
The sum of these divisors (counting 28542489) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100111000011000011001
3
Ternary
1222201002221020
4
Quaternary
1230320120121
5
Quinary
24301324424
6
Senary
2455433053
8
Octal
154703031
10
Decimal
28542489
12
Duodecimal
9685789
16
Hexadecimal
1b38619
20
Vigesimal
8i7g49
36
Base36
gzrix
md5
260cbaf188fce50c26ea7f3541c7670f
sha1
3556051ed0ee5b0a7ae3955bc88ab08e8909d914
sha256
c33f5ec88a881c3e4dd4049d9b8ec9e5c058c7dfa268f3c27e7ee084a6582185
sha512
02b4b658af3765c144e110155b8d5b15a7a8c5885eed90374d41340968fc7e9dfa259635791c1c1b3fb30c4f1eb09622201f76e44f9225657bec8ed12f72475d
ripemd-160
beef9320e27c7b0b648255543adc2726c32e2a00
Diameter
57084978
Circumference
179337747.51513
Area
2.5593728428678E+15
Volume
9.7401161619269E+22
Surface area
1.0237491371471E+16
Circumference
179337747.51513
Perimeter
114169956
Area
814673678315121
Diagonal
40365175.047685
Surface area
4888042069890726
Volume
2.3252814501899E+22
Space diagonal
49437041.122476
Perimeter
85627467
Area
3.527640506077E+14
Altitude
24718520.561238
Surface area
3.527640506077E+14
Volume
2.7403704693276E+21
Height
13455058.349228