28803990 is an even 8-digits composite number following 28803989
and preceding 28803991 . In scientific notation, it is written as 2.8803990 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 7572320 positive integers (up to 28803990) that are relatively prime to 28803990.
28803990 has 32 divisors, whose sum is 70108416
The reverse of 28803990 is 09930882
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million eight hundred three thousand nine hundred ninety
Scientific notation
2.8803990 × 10^7
Engineering notation
2.8803990 × 10^6
Prime Factorization
2 × 3 × 5 × 71 × 13523
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28803990
Product of the distinct prime numbers
The prime factorization of 28803990 is 2 × 3 × 5 × 71 × 13523.
Since it has a total of 5 prime factors.
9 , 1 , 64 , 25 , 752 , 638 , 2520 , 7952 , 4772 , 41527 , 491072 , 562038 , 2442858 , 2546005 , 8814187 , 93177647 , 729721126 , 546284866 , 700007117 , 587155462
n×2
57607980
n×3
86411970
n×4
115215960
n×5
144019950
n÷2
14401995
n÷3
9601330
n÷3
7200997.5
n÷5
5760798
n2
829669839920100
n3
2.389780177236E+22
n4
6.8835204327304E+29
n5
1.9827285370916E+37
2 √n
5366.9348794261
3 √n
306.53792774189
4 √n
73.259367178717
5 √n
31.037771411743
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 71 , 142 , 213 , 355 , 426 , 710 , 1065 , 2130 , 13523 , 27046 , 40569 , 67615 , 81138 , 135230 , 202845 , 405690 , 960133 , 1920266 , 2880399 , 4800665 , 5760798 , 9601330 , 14401995 , 28803990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28803989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28803990 can be divided by 32 positive divisors.
The sum of these divisors (counting 28803990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101111000001110010110
3
Ternary
2000012101122110
4
Quaternary
1231320032112
5
Quinary
24333211430
6
Senary
2505211450
8
Octal
155701626
10
Decimal
28803990
12
Duodecimal
9790b86
16
Hexadecimal
1b78396
20
Vigesimal
9009ja
36
Base36
h5dau
md5
d0ee8edd6068749a61f87b1144a8114d
sha1
af8811e637d3aea198d7d7db09e68658f9f73294
sha256
eb39c83a01139e0282108fe3040c31178a6cc4c63c8b3bc2ff3ae4a49030273a
sha512
ab63205febc72732d0a1ecf1f8cc73f019eefe072f4ba5fd09c662489cb733c37e23bab51eeaec8493850841dbb2af40a6ab8b6425f85d2aa0945a6905b42977
ripemd-160
d6f916201fd44d8a3c292104db14c0e8bd6f1653
Diameter
57607980
Circumference
180980806.75615
Area
2.606484673998E+15
Volume
1.0010287797999E+23
Surface area
1.0425938695992E+16
Circumference
180980806.75615
Perimeter
115215960
Area
829669839920100
Diagonal
40734993.308459
Surface area
4978019039520600
Volume
2.389780177236E+22
Space diagonal
49889974.140706
Perimeter
86411970
Area
3.5925757906229E+14
Altitude
24944987.070353
Surface area
3.5925757906229E+14
Volume
2.8163829481146E+21
Height
13578331.10282