28662993 is an odd 8-digits composite number following 28662992
and preceding 28662994 . In scientific notation, it is written as 2.8662993 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 19080600 positive integers (up to 28662993) that are relatively prime to 28662993.
28662993 has 12 divisors, whose sum is 41462928
The reverse of 28662993 is 39926682
Previous prime number is 827
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million six hundred sixty-two thousand nine hundred ninety-three
Scientific notation
2.8662993 × 10^7
Engineering notation
2.8662993 × 10^6
Prime Factorization
3 × 3 × 827 × 3851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9554331
Product of the distinct prime numbers
The prime factorization of 28662993 is 3 × 3 × 827 × 3851.
Since it has a total of 4 prime factors.
8 , 3 , 98 , 41 , 440 , 987 , 7126 , 7913 , 21476 , 83066 , 123486 , 825223 , 4168806 , 2040305 , 93409067 , 75372699 , 163437966 , 913532154 , 992740901 , 8963235529
n×2
57325986
n×3
85988979
n×4
114651972
n×5
143314965
n÷2
14331496.5
n÷3
9554331
n÷3
7165748.25
n÷5
5732598.6
n2
821567167718049
n3
2.3548573977332E+22
n4
6.7497261107226E+29
n5
1.9346735226356E+37
2 √n
5353.7830549995
3 √n
306.03693646148
4 √n
73.169550053281
5 √n
31.007325444626
1 , 3 , 9 , 827 , 2481 , 3851 , 7443 , 11553 , 34659 , 3184777 , 9554331 , 28662993
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28662992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28662993 can be divided by 12 positive divisors.
The sum of these divisors (counting 28662993) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101010101110011010001
3
Ternary
1222221020020100
4
Quaternary
1231111303101
5
Quinary
24314203433
6
Senary
2502203013
8
Octal
155256321
10
Decimal
28662993
12
Duodecimal
9723469
16
Hexadecimal
1b55cd1
20
Vigesimal
8j2h9d
36
Base36
h2ci9
md5
6a66776fae8f225556a1995bdf0fd38f
sha1
451de9ff66a3814821298c86278002ae26738f3b
sha256
8884a409c3d323f163b6686a4b3657cf2caa5b45b86fd89b0d00d6bc17202789
sha512
5e2087151163ec32de46a635c222c779a327bceb5a11ebaeda4015df37e5917dbbc038ec6eab62bf7b326f0465471370fd487731b48886133be4f9e712a106cb
ripemd-160
c9d0e7b7ec8c49a30067c58be7961f1b03f21e70
Diameter
57325986
Circumference
180094896.47739
Area
2.5810293785336E+15
Volume
9.8640036012937E+22
Surface area
1.0324117514134E+16
Circumference
180094896.47739
Perimeter
114651972
Area
821567167718049
Diagonal
40535593.438805
Surface area
4929403006308294
Volume
2.3548573977332E+22
Space diagonal
49645760.172991
Perimeter
85988979
Area
3.5574901907953E+14
Altitude
24822880.086496
Surface area
3.5574901907953E+14
Volume
2.7752260577741E+21
Height
13511864.479602