28398420 is an even 8-digits composite number following 28398419
and preceding 28398421 . In scientific notation, it is written as 2.8398420 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 7572864 positive integers (up to 28398420) that are relatively prime to 28398420.
28398420 has 24 divisors, whose sum is 66263400
The reverse of 28398420 is 02489382
Previous prime number is 9
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
twenty-eight million three hundred ninety-eight thousand four hundred twenty
Scientific notation
2.8398420 × 10^7
Engineering notation
2.8398420 × 10^6
Prime Factorization
2 × 2 × 5 × 9 × 157769
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
14199210 Product of the distinct prime numbers
The prime factorization of 28398420 is 2 × 2 × 5 × 9 × 157769.
Since it has a total of 5 prime factors.
5 , 7 , 70 , 10 , 596 , 868 , 200 , 1211 , 44631 , 92077 , 593775 , 963633 , 9702877 , 6703068 , 34261970 , 87526836 , 734670267 , 140426354 , 7665100124 , 7031153686
n×2
56796840
n×3
85195260
n×4
113593680
n×5
141992100
n÷2
14199210
n÷3
9466140
n÷3
7099605
n÷5
5679684
n2
806470258496400
n3
2.2902481118289E+22
n4
6.5039427783925E+29
n5
1.8470169867676E+37
2 √n5329.0167948694
3 √n305.09240235336
4 √n73.000115033261
5 √n30.949870456743
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 36 , 45 , 90 , 180 , 157769 , 315538 , 631076 , 788845 , 1419921 , 1577690 , 2839842 , 3155380 , 5679684 , 7099605 , 14199210 , 28398420
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-28398419 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28398420 can be divided by 24 positive divisors.
The sum of these divisors (counting 28398420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101100010101001101010100
3
Ternary
1222102210022100
4
Quaternary
1230111031110
5
Quinary
24232222140
6
Senary
2452402100
8
Octal
154251524
10
Decimal
28398420
12
Duodecimal
9616330
16
Hexadecimal
1b15354
20
Vigesimal
8h9g10
36
Base36
gwod0
md5
bf25bc0f9d73f07bb866ac3b3a9fc8c1
sha1
297f77995e20fadd9353bae756880961a68274d4
sha256
f1050511ef54e24bddaa7c6530519a5ebc831806223d4d61ec042570875dedc3
sha512
b6ce142abe3d75e6bbdc3554b32bc7686bdfbe74ae8d7ca82f2329ef68cbb4b6693feb9f6113d92be1aec7cd7e9232a6be76d9626093aed0c4201f331cd66c93
ripemd-160
8217cb997edbd1bbf352c2e83b8d97d7a6bf1297
Diameter
56796840
Circumference
178432535.29111
Area
2.533601039431E+15
Volume
9.5933688573596E+22
Surface area
1.0134404157724E+16
Circumference
178432535.29111
Perimeter
113593680
Area
806470258496400
Diagonal
40161430.713967
Surface area
4838821550978400
Volume
2.2902481118289E+22
Space diagonal
49187506.29468
Perimeter
85195260
Area
3.4921186562724E+14
Altitude
24593753.14734
Surface area
3.4921186562724E+14
Volume
2.6990832841232E+21
Height
13387143.571322