28668747 is an odd 8-digits composite number following 28668746
and preceding 28668748 . In scientific notation, it is written as 2.8668747 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 18595872 positive integers (up to 28668747) that are relatively prime to 28668747.
28668747 has 8 divisors, whose sum is 39258256
The reverse of 28668747 is 74786682
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million six hundred sixty-eight thousand seven hundred forty-seven
Scientific notation
2.8668747 × 10^7
Engineering notation
2.8668747 × 10^6
Prime Factorization
3 × 37 × 258277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28668747
Product of the distinct prime numbers
The prime factorization of 28668747 is 3 × 37 × 258277.
Since it has a total of 3 prime factors.
9 , 1 , 85 , 84 , 940 , 208 , 8122 , 44 , 27134 , 9119 , 176150 , 926798 , 9376963 , 1020014 , 72210332 , 19716925 , 764911353 , 21281183 , 1175983557 , 2812064194
n×2
57337494
n×3
86006241
n×4
114674988
n×5
143343735
n÷2
14334373.5
n÷3
9556249
n÷3
7167186.75
n÷5
5733749.4
n2
821897054550009
n3
2.3562758716939E+22
n4
6.7551476827798E+29
n5
1.9366161986525E+37
2 √n
5354.3204050561
3 √n
306.05741372184
4 √n
73.173221912501
5 √n
31.008570268053
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
-28668746
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 28668747 can be divided by 8 positive divisors.
The sum of these divisors (counting 28668747) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101010111001101001011
3
Ternary
1222221112010110
4
Quaternary
1231113031023
5
Quinary
24314344442
6
Senary
2502245403
8
Octal
155271513
10
Decimal
28668747
12
Duodecimal
9726863
16
Hexadecimal
1b5734b
20
Vigesimal
8j3bh7
36
Base36
h2gy3
md5
570b5e002a96d4759eb15b8287bd5f00
sha1
28044cedf532aa6c02972f6d8eb910848ac32eed
sha256
00d1459be5621c24c1d219fe717f486ee1830126edec3a23cedda7fd1f1bd093
sha512
5b207f1726b8dd3b36aa5778bcf8336e723c3073737ef239eac7ea0009919330cbd288c3694ec6d1eae178e3a49e3194a426dd88da3b250b3a1323ecd451ebe4
ripemd-160
50e761bea48810f83d9de0a4458dd64d011de2f0
Diameter
57337494
Circumference
180131049.92565
Area
2.5820657485814E+15
Volume
9.8699452911261E+22
Surface area
1.0328262994326E+16
Circumference
180131049.92565
Perimeter
114674988
Area
821897054550009
Diagonal
40543730.823643
Surface area
4931382327300054
Volume
2.3562758716939E+22
Space diagonal
49655726.393338
Perimeter
86006241
Area
3.5589186426796E+14
Altitude
24827863.196669
Surface area
3.5589186426796E+14
Volume
2.7768977453684E+21
Height
13514576.941214