28821480 is an even 8-digits composite number following 28821479
and preceding 28821481 . In scientific notation, it is written as 2.8821480 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 7280640 positive integers (up to 28821480) that are relatively prime to 28821480.
28821480 has 32 divisors, whose sum is 60681600
The reverse of 28821480 is 08412882
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million eight hundred twenty-one thousand four hundred eighty
Scientific notation
2.8821480 × 10^7
Engineering notation
2.8821480 × 10^6
Prime Factorization
2 × 2 × 2 × 15 × 19 × 12641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7205370
Product of the distinct prime numbers
The prime factorization of 28821480 is 2 × 2 × 2 × 15 × 19 × 12641.
Since it has a total of 6 prime factors.
4 , 1 , 74 , 78 , 629 , 577 , 3701 , 3341 , 19388 , 67069 , 77694 , 100972 , 2357355 , 7758369 , 83325292 , 93420625 , 598769045 , 628682162 , 9420827940 , 6581791143
n×2
57642960
n×3
86464440
n×4
115285920
n×5
144107400
n÷2
14410740
n÷3
9607160
n÷3
7205370
n÷5
5764296
n2
830677709390400
n3
2.3941360987641E+22
n4
6.9002545687808E+29
n5
1.9887554904902E+37
2 √n
5368.564053823
3 √n
306.59995923558
4 √n
73.27048555744
5 √n
31.041539770368
1 , 2 , 4 , 8 , 15 , 19 , 30 , 38 , 60 , 76 , 120 , 152 , 285 , 570 , 1140 , 2280 , 12641 , 25282 , 50564 , 101128 , 189615 , 240179 , 379230 , 480358 , 758460 , 960716 , 1516920 , 1921432 , 3602685 , 7205370 , 14410740 , 28821480
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
-28821479
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 28821480 can be divided by 32 positive divisors.
The sum of these divisors (counting 28821480) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101111100011111101000
3
Ternary
2000020021122020
4
Quaternary
1231330133220
5
Quinary
24334241410
6
Senary
2505424440
8
Octal
155743750
10
Decimal
28821480
12
Duodecimal
979b120
16
Hexadecimal
1b7c7e8
20
Vigesimal
902de0
36
Base36
h5qso
md5
358973741870d37ca36a9cf592e56a6f
sha1
5f1cbeedda765b25ceec3fcc58fdc0a5d5b24cbe
sha256
1b75e9db49457d98d3f693492a2a830f5b5282b3b53c41a4dde2aa32cc55bb25
sha512
bc5b75c2010b2060d373c6e788c1d0d6d7b6827d56445c35cc65e2d023ff9c99c147e606ea7a5bb43673a6a4588028a69abb17f4d09cee9be096ea3fd0f77449
ripemd-160
163a2606071d1eef537b8614b826d6b6fb0929d9
Diameter
57642960
Circumference
181090699.66717
Area
2.6096509893217E+15
Volume
1.0028533839429E+23
Surface area
1.0438603957287E+16
Circumference
181090699.66717
Perimeter
115285920
Area
830677709390400
Diagonal
40759727.903665
Surface area
4984066256342400
Volume
2.3941360987641E+22
Space diagonal
49920267.70933
Perimeter
86464440
Area
3.5969399934478E+14
Altitude
24960133.854665
Surface area
3.5969399934478E+14
Volume
2.821516450866E+21
Height
13586575.967888