28998423 is an odd 8-digits composite number following 28998422
and preceding 28998424 . In scientific notation, it is written as 2.8998423 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 17891280 positive integers (up to 28998423) that are relatively prime to 28998423.
28998423 has 16 divisors, whose sum is 34713600
The reverse of 28998423 is 32489982
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million nine hundred ninety-eight thousand four hundred twenty-three
Scientific notation
2.8998423 × 10^7
Engineering notation
2.8998423 × 10^6
Prime Factorization
9 × 23 × 31 × 4519
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28998423
Product of the distinct prime numbers
The prime factorization of 28998423 is 9 × 23 × 31 × 4519.
Since it has a total of 4 prime factors.
2 , 6 , 93 , 42 , 494 , 419 , 4032 , 998 , 94356 , 23546 , 185255 , 94675 , 4925305 , 8011985 , 40891160 , 92172897 , 153546953 , 847891942 , 6478268225 , 4111410810
n×2
57996846
n×3
86995269
n×4
115993692
n×5
144992115
n÷2
14499211.5
n÷3
9666141
n÷3
7249605.75
n÷5
5799684.6
n2
840908536486929
n3
2.4385021445359E+22
n4
7.0712716673659E+29
n5
2.0505572695819E+37
2 √n
5385.0183843697
3 √n
307.22611345196
4 √n
73.382684499613
5 √n
31.079561027095
1 , 9 , 23 , 31 , 207 , 279 , 713 , 4519 , 6417 , 40671 , 103937 , 140089 , 935433 , 1260801 , 3222047 , 28998423
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28998422
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28998423 can be divided by 16 positive divisors.
The sum of these divisors (counting 28998423) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100111101100010111
3
Ternary
2000120021100200
4
Quaternary
1232213230113
5
Quinary
24410422143
6
Senary
2513311543
8
Octal
156475427
10
Decimal
28998423
12
Duodecimal
98655b3
16
Hexadecimal
1ba7b17
20
Vigesimal
914g13
36
Base36
h9jbr
md5
874df2f4bfa8f6193e8e9b5a3e2d8503
sha1
fcf162bff67273429a464f47552d3317ce507687
sha256
f4bcd519b90836cd637b9a770ca23a4d9d124b3e481f17b31ffb8b37b9000766
sha512
ce5d0b1cabcc8c061bf8bd1bbbb5aa42efbf1bd2aa622c5431edc4e952df8d8bedd23c69bea688223f817833d44ed620daf6740c533f5968ef57814cd454da9f
ripemd-160
f67afebcaaa820fe30f4f4a9bc7220eca3d17210
Diameter
57996846
Circumference
182202465.32498
Area
2.6417920805683E+15
Volume
1.0214373897383E+23
Surface area
1.0567168322273E+16
Circumference
182202465.32498
Perimeter
115993692
Area
840908536486929
Diagonal
41009963.094032
Surface area
5045451218921574
Volume
2.4385021445359E+22
Space diagonal
50226741.975374
Perimeter
86995269
Area
3.6412407742844E+14
Altitude
25113370.987687
Surface area
3.6412407742844E+14
Volume
2.8738023372321E+21
Height
13669987.698011