28493451 is an odd 8-digits composite number following 28493450
and preceding 28493452 . In scientific notation, it is written as 2.8493451 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 36 positive divisors.
There are 16275168 positive integers (up to 28493451) that are relatively prime to 28493451.
28493451 has 36 divisors, whose sum is 49670712
The reverse of 28493451 is 15439482
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million four hundred ninety-three thousand four hundred fifty-one
Scientific notation
2.8493451 × 10^7
Engineering notation
2.8493451 × 10^6
Prime Factorization
7 × 3 × 27 × 3 × 7 × 2393
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1356831
Product of the distinct prime numbers
The prime factorization of 28493451 is 7 × 3 × 27 × 3 × 7 × 2393.
Since it has a total of 6 prime factors.
6 , 8 , 13 , 12 , 375 , 776 , 1870 , 6742 , 27 , 69466 , 918880 , 904298 , 553432 , 1678790 , 99225284 , 91773116 , 686571097 , 325849697 , 8129029286 , 9797737460
n×2
56986902
n×3
85480353
n×4
113973804
n×5
142467255
n÷2
14246725.5
n÷3
9497817
n÷3
7123362.75
n÷5
5698690.2
n2
811876749889401
n3
2.3133170391013E+22
n4
6.5914385701098E+29
n5
1.8781283191693E+37
2 √n
5337.9257207271
3 √n
305.43233858444
4 √n
73.061109495594
5 √n
30.970556594336
1 , 3 , 7 , 9 , 21 , 27 , 49 , 63 , 81 , 147 , 189 , 243 , 441 , 567 , 1323 , 1701 , 2393 , 3969 , 7179 , 11907 , 16751 , 21537 , 50253 , 64611 , 117257 , 150759 , 193833 , 351771 , 452277 , 581499 , 1055313 , 1356831 , 3165939 , 4070493 , 9497817 , 28493451
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28493450
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28493451 can be divided by 36 positive divisors.
The sum of these divisors (counting 28493451) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1101100101100011010001011
3
Ternary
1222121121200000
4
Quaternary
1230230122023
5
Quinary
24243242301
6
Senary
2454414043
8
Octal
154543213
10
Decimal
28493451
12
Duodecimal
9661323
16
Hexadecimal
1b2c68b
20
Vigesimal
8i1dcb
36
Base36
gypor
md5
61351d869aed857d65fb6e42658d4916
sha1
3980ec851ac6a01f462f5e9ec44d1e4415c53b91
sha256
7caa401a8605cf48e376068e929517c05059809375561871bfaad0495a620fb4
sha512
70f03b0e824ba9b510890b18488114d8d4910590b435ce6903a699097e1532ff3a90dea20eef56b18a3a6c30276b6e8c5540078874fe5a25ec17927b436e341e
ripemd-160
609a43e251564bbc3523bb1ddf682f52a5d395b9
Diameter
56986902
Circumference
179029632.67404
Area
2.5505860330729E+15
Volume
9.6899997539529E+22
Surface area
1.0202344132292E+16
Circumference
179029632.67404
Perimeter
113973804
Area
811876749889401
Diagonal
40295824.843013
Surface area
4871260499336406
Volume
2.3133170391013E+22
Space diagonal
49352104.814974
Perimeter
85480353
Area
3.5155294507308E+14
Altitude
24676052.407487
Surface area
3.5155294507308E+14
Volume
2.7262702756382E+21
Height
13431941.614338