28149780 is an even 8-digits composite number following 28149779
and preceding 28149781 . In scientific notation, it is written as 2.8149780 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 7322880 positive integers (up to 28149780) that are relatively prime to 28149780.
28149780 has 24 divisors, whose sum is 53832576
The reverse of 28149780 is 08794182
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred forty-nine thousand seven hundred eighty
Scientific notation
2.8149780 × 10^7
Engineering notation
2.8149780 × 10^6
Prime Factorization
2 × 2 × 15 × 41 × 11443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14074890
Product of the distinct prime numbers
The prime factorization of 28149780 is 2 × 2 × 15 × 41 × 11443.
Since it has a total of 5 prime factors.
10 , 6 , 78 , 29 , 687 , 987 , 8554 , 5343 , 44923 , 48887 , 767170 , 682049 , 4085280 , 5068023 , 24870344 , 75144390 , 191334795 , 492439617 , 565134615 , 9391531776
n×2
56299560
n×3
84449340
n×4
112599120
n×5
140748900
n÷2
14074890
n÷3
9383260
n÷3
7037445
n÷5
5629956
n2
792410114048400
n3
2.2306170380237E+22
n4
6.279137888462E+29
n5
1.7675635014987E+37
2 √n
5305.6366253259
3 √n
304.19938731835
4 √n
72.839801107128
5 √n
30.895483848403
1 , 2 , 4 , 15 , 30 , 41 , 60 , 82 , 164 , 615 , 1230 , 2460 , 11443 , 22886 , 45772 , 171645 , 343290 , 469163 , 686580 , 938326 , 1876652 , 7037445 , 14074890 , 28149780
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28149779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28149780 can be divided by 24 positive divisors.
The sum of these divisors (counting 28149780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011011000100000010100
3
Ternary
1221222011020110
4
Quaternary
1223120200110
5
Quinary
24201243110
6
Senary
2443203020
8
Octal
153304024
10
Decimal
28149780
12
Duodecimal
9516470
16
Hexadecimal
1ad8814
20
Vigesimal
8fie90
36
Base36
grcic
md5
ec3368602b91f70bc3577c5501f26aac
sha1
7fff63b84e210ac2fda11bfa228c184c4aebbd28
sha256
15f7c20c95636473fcc7fd94b9a63863e1ead5133ffe81c8a65018036511c9e8
sha512
c4aba1287855bf4a2f248262d436deada4e98c50aadd94e329655329540c6eb835de8d375c76e5e2a504bcaba46989e62b4fd0a5316fd42d2448f85c9bb5f26a
ripemd-160
9b8dee4f876839499621b11f7e7fabb18be3fbb2
Diameter
56299560
Circumference
176870284.09634
Area
2.4894297929247E+15
Volume
9.3435867995035E+22
Surface area
9.9577191716988E+15
Circumference
176870284.09634
Perimeter
112599120
Area
792410114048400
Diagonal
39809800.653819
Surface area
4754460684290400
Volume
2.2306170380237E+22
Space diagonal
48756849.181886
Perimeter
84449340
Area
3.4312364449082E+14
Altitude
24378424.590943
Surface area
3.4312364449082E+14
Volume
2.6288073896947E+21
Height
13269933.551273