28663984 is an even 8-digits composite number following 28663983
and preceding 28663985 . In scientific notation, it is written as 2.8663984 × 10^7.
The sum of its digits is 46. It has a total of 7 prime factors and 30 positive divisors.
There are 14009760 positive integers (up to 28663984) that are relatively prime to 28663984.
28663984 has 30 divisors, whose sum is 56813204
The reverse of 28663984 is 48936682
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million six hundred sixty-three thousand nine hundred eighty-four
Scientific notation
2.8663984 × 10^7
Engineering notation
2.8663984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 47 × 47 × 811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
76234
Product of the distinct prime numbers
The prime factorization of 28663984 is 2 × 2 × 2 × 2 × 47 × 47 × 811.
Since it has a total of 7 prime factors.
10 , 10 , 21 , 37 , 820 , 763 , 2541 , 1577 , 29346 , 41029 , 807740 , 645861 , 1846627 , 2602874 , 21939850 , 20184244 , 9483520 , 277165588 , 8816505546 , 7490602638
n×2
57327968
n×3
85991952
n×4
114655936
n×5
143319920
n÷2
14331992
n÷3
9554661.3333333
n÷3
7165996
n÷5
5732796.8
n2
821623978752256
n3
2.3551016580971E+22
n4
6.7506596246069E+29
n5
1.9350079946918E+37
2 √n
5353.8756055777
3 √n
306.04046341472
4 √n
73.170182489712
5 √n
31.007539852344
1 , 2 , 4 , 8 , 16 , 47 , 94 , 188 , 376 , 752 , 811 , 1622 , 2209 , 3244 , 4418 , 6488 , 8836 , 12976 , 17672 , 35344 , 38117 , 76234 , 152468 , 304936 , 609872 , 1791499 , 3582998 , 7165996 , 14331992 , 28663984
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28663983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28663984 can be divided by 30 positive divisors.
The sum of these divisors (counting 28663984) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
1101101010110000010110000
3
Ternary
1222221021121001
4
Quaternary
1231112002300
5
Quinary
24314221414
6
Senary
2502211344
8
Octal
155260260
10
Decimal
28663984
12
Duodecimal
9723b54
16
Hexadecimal
1b560b0
20
Vigesimal
8j2jj4
36
Base36
h2d9s
md5
2c755d27253855c67a2266073f6e2782
sha1
6c170d9d432b3bad7e7b970a1c468de6ec2d0f97
sha256
47e4323216a4ecd838f8aab493e08c7fb2a28c1d29360d246b8be6d2499d58c7
sha512
fd34fcbbbc97244e91bc745c0e5d082f173814d8d208ef0762cee82f057405b5d2407f82b1ba7c449ca5bf4b5f8ac986cae6c0daddc0b77a030305bc6b0ef2e0
ripemd-160
3b9f7555ae2948d3ec01d20bd7eb1ff3c01dd3ff
Diameter
57327968
Circumference
180101123.11403
Area
2.5812078556613E+15
Volume
9.8650267567133E+22
Surface area
1.0324831422645E+16
Circumference
180101123.11403
Perimeter
114655936
Area
821623978752256
Diagonal
40536994.924445
Surface area
4929743872513536
Volume
2.3551016580971E+22
Space diagonal
49647476.635341
Perimeter
85991952
Area
3.5577361897895E+14
Altitude
24823738.317671
Surface area
3.5577361897895E+14
Volume
2.7755139213736E+21
Height
13512331.641482