28751489 is an odd 8-digits composite number following 28751488
and preceding 28751490 . In scientific notation, it is written as 2.8751489 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 26501760 positive integers (up to 28751489) that are relatively prime to 28751489.
28751489 has 8 divisors, whose sum is 31007592
The reverse of 28751489 is 98415782
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million seven hundred fifty-one thousand four hundred eighty-nine
Scientific notation
2.8751489 × 10^7
Engineering notation
2.8751489 × 10^6
Prime Factorization
1033 × 13 × 2141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28751489
Product of the distinct prime numbers
The prime factorization of 28751489 is 1033 × 13 × 2141.
Since it has a total of 3 prime factors.
10 , 7 , 22 , 7 , 59 , 318 , 9088 , 2243 , 40351 , 94834 , 999415 , 273086 , 1647274 , 2645432 , 26737603 , 97921416 , 614845631 , 985824580 , 9583252320 , 6977482428
n×2
57502978
n×3
86254467
n×4
115005956
n×5
143757445
n÷2
14375744.5
n÷3
9583829.6666667
n÷3
7187872.25
n÷5
5750297.8
n2
826648119717121
n3
2.3767364320917E+22
n4
6.8334711383185E+29
n5
1.9647247026518E+37
2 √n
5362.04149555
3 √n
306.35157236133
4 √n
73.225961895696
5 √n
31.026448651367
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
-28751488
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 28751489 can be divided by 8 positive divisors.
The sum of these divisors (counting 28751489) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101011011010000001
3
Ternary
2000002201121222
4
Quaternary
1231223122001
5
Quinary
24330021424
6
Senary
2504124425
8
Octal
155533201
10
Decimal
28751489
12
Duodecimal
9766715
16
Hexadecimal
1b6b681
20
Vigesimal
8jdie9
36
Base36
h48sh
md5
b0bd3ece5f21b0710da5030d21e48e32
sha1
2630971a6ba90fdea0a21babe35deb4ca59ca966
sha256
22ed0a644367ec5b1d28f97672eb100785125cba5febc9d9a8fff07d6e0fa62e
sha512
d65015e1da19fd2e87484394b9e9a15dcd96591b26d958a022ef4453ad2c3627c651d539c935a58fd13350807e9b9e5fa2e72e513c03d28143911178614d97f2
ripemd-160
e98f68d967246a4d9cbdaab1d8611e2b3111e253
Diameter
57502978
Circumference
180650933.24434
Area
2.5969916600071E+15
Volume
9.9556502861049E+22
Surface area
1.0387966640028E+16
Circumference
180650933.24434
Perimeter
115005956
Area
826648119717121
Diagonal
40660745.682221
Surface area
4959888718302726
Volume
2.3767364320917E+22
Space diagonal
49799039.741258
Perimeter
86254467
Area
3.5794913583283E+14
Altitude
24899519.870629
Surface area
3.5794913583283E+14
Volume
2.801010747042E+21
Height
13553581.894074