28494490 is an even 8-digits composite number following 28494489
and preceding 28494491 . In scientific notation, it is written as 2.8494490 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 10797840 positive integers (up to 28494490) that are relatively prime to 28494490.
28494490 has 16 divisors, whose sum is 53989920
The reverse of 28494490 is 09449482
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred ninety-four thousand four hundred ninety
Scientific notation
2.8494490 × 10^7
Engineering notation
2.8494490 × 10^6
Prime Factorization
2 × 5 × 19 × 149971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28494490
Product of the distinct prime numbers
The prime factorization of 28494490 is 2 × 5 × 19 × 149971.
Since it has a total of 4 prime factors.
7 , 3 , 44 , 73 , 299 , 723 , 5883 , 2338 , 14982 , 12663 , 471906 , 495073 , 1840894 , 2890144 , 31231330 , 67024435 , 459072521 , 925989885 , 4099675292 , 6574746945
n×2
56988980
n×3
85483470
n×4
113977960
n×5
142472450
n÷2
14247245
n÷3
9498163.3333333
n÷3
7123622.5
n÷5
5698898
n2
811935960360100
n3
2.3135701103121E+22
n4
6.5924000372588E+29
n5
1.8784707693767E+37
2 √n
5338.0230422882
3 √n
305.43605102047
4 √n
73.061775521049
5 √n
30.970782456334
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 149971 , 299942 , 749855 , 1499710 , 2849449 , 5698898 , 14247245 , 28494490
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
-28494489
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 28494490 can be divided by 16 positive divisors.
The sum of these divisors (counting 28494490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101100101010011010
3
Ternary
1222121200002111
4
Quaternary
1230230222122
5
Quinary
24243310430
6
Senary
2454422534
8
Octal
154545232
10
Decimal
28494490
12
Duodecimal
9661a4a
16
Hexadecimal
1b2ca9a
20
Vigesimal
8i1g4a
36
Base36
gyqhm
md5
1af331725c0485a723d5435e0fca965d
sha1
6bed8e1733bd51d8b7f8da13663d5d7cc63ada4e
sha256
63d43ecde21a08d9ea3a227389ae88205dee8ea09c3a62c2e13b5edfbf2569f4
sha512
2ef21130ecbe3fef99ae78ceb3558e3369fa325a9c3c823b6e6438221fe2d18a151a1d0f02f38f33324b89641ea33ca35559c76d5faad83b095ad620e7809f0f
ripemd-160
3501f136b2ee70f43fc677e7c05a5821897dcf6b
Diameter
56988980
Circumference
179036160.90358
Area
2.5507720482527E+15
Volume
9.691059816162E+22
Surface area
1.0203088193011E+16
Circumference
179036160.90358
Perimeter
113977960
Area
811935960360100
Diagonal
40297294.210905
Surface area
4871615762160600
Volume
2.3135701103121E+22
Space diagonal
49353904.415763
Perimeter
85483470
Area
3.5157858395898E+14
Altitude
24676952.207882
Surface area
3.5157858395898E+14
Volume
2.7265685229204E+21
Height
13432431.403635