28398974 is an even 8-digits composite number following 28398973
and preceding 28398975 . In scientific notation, it is written as 2.8398974 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 13582096 positive integers (up to 28398974) that are relatively prime to 28398974.
28398974 has 8 divisors, whose sum is 44450640
The reverse of 28398974 is 47989382
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million three hundred ninety-eight thousand nine hundred seventy-four
Scientific notation
2.8398974 × 10^7
Engineering notation
2.8398974 × 10^6
Prime Factorization
2 × 23 × 617369
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28398974
Product of the distinct prime numbers
The prime factorization of 28398974 is 2 × 23 × 617369.
Since it has a total of 3 prime factors.
3 , 4 , 17 , 45 , 579 , 884 , 8383 , 1296 , 60626 , 55541 , 962675 , 840304 , 3623287 , 8515892 , 97813564 , 12007950 , 412687616 , 632805438 , 4629660955 , 3217061608
n×2
56797948
n×3
85196922
n×4
113595896
n×5
141994870
n÷2
14199487
n÷3
9466324.6666667
n÷3
7099743.5
n÷5
5679794.8
n2
806501724252676
n3
2.2903821498007E+22
n4
6.5044503122254E+29
n5
1.8471971530118E+37
2 √n
5329.0687741856
3 √n
305.09438626762
4 √n
73.000471054546
5 √n
30.949991210605
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
-28398973
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 28398974 can be divided by 8 positive divisors.
The sum of these divisors (counting 28398974) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100010101010101111110
3
Ternary
1222102211001212
4
Quaternary
1230111111332
5
Quinary
24232231344
6
Senary
2452404422
8
Octal
154252576
10
Decimal
28398974
12
Duodecimal
9616712
16
Hexadecimal
1b1557e
20
Vigesimal
8h9h8e
36
Base36
gwose
md5
72655c54693da65d3f751408efb8396c
sha1
4cb150d773066cfcf93cf3c3888520e9843879e6
sha256
6f86abf5be8f293d33e59ba37e846a7415b3db8468e8e10a6689ee997fb553bc
sha512
1465fb09a3634075f3179bd53dc93c1cddc24914f397f7a48d489991b018804b91f69d9ea2a06300056c5243bfe810a2ae668738a432e96507c83989d4ba157a
ripemd-160
95e84eb906bba982fca82b9bd29dbc0477df5f63
Diameter
56797948
Circumference
178436016.17578
Area
2.5336998920197E+15
Volume
9.5939303143027E+22
Surface area
1.0134799568079E+16
Circumference
178436016.17578
Perimeter
113595896
Area
806501724252676
Diagonal
40162214.188281
Surface area
4839010345516056
Volume
2.2903821498007E+22
Space diagonal
49188465.850828
Perimeter
85196922
Area
3.4922549069938E+14
Altitude
24594232.925414
Surface area
3.4922549069938E+14
Volume
2.6992412493878E+21
Height
13387404.729427