28740045 is an odd 8-digits composite number following 28740044
and preceding 28740046 . In scientific notation, it is written as 2.8740045 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 15038400 positive integers (up to 28740045) that are relatively prime to 28740045.
28740045 has 16 divisors, whose sum is 46852992
The reverse of 28740045 is 54004782
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million seven hundred forty thousand forty-five
Scientific notation
2.8740045 × 10^7
Engineering notation
2.8740045 × 10^6
Prime Factorization
3 × 5 × 53 × 36151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28740045
Product of the distinct prime numbers
The prime factorization of 28740045 is 3 × 5 × 53 × 36151.
Since it has a total of 4 prime factors.
3 , 1 , 82 , 87 , 25 , 654 , 8881 , 6979 , 59976 , 78005 , 751421 , 88800 , 8662713 , 8116953 , 1676383 , 13419996 , 390307526 , 680345502 , 8378798827 , 3406519210
n×2
57480090
n×3
86220135
n×4
114960180
n×5
143700225
n÷2
14370022.5
n÷3
9580015
n÷3
7185011.25
n÷5
5748009
n2
825990186602025
n3
2.3738995132501E+22
n4
6.8225978836285E+29
n5
1.9608177019239E+37
2 √n
5360.9742584721
3 √n
306.31092110267
4 √n
73.218674246889
5 √n
31.023978356886
1 , 3 , 5 , 15 , 53 , 159 , 265 , 795 , 36151 , 108453 , 180755 , 542265 , 1916003 , 5748009 , 9580015 , 28740045
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28740044
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28740045 can be divided by 16 positive divisors.
The sum of these divisors (counting 28740045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101000100111001101
3
Ternary
2000002010221010
4
Quaternary
1231220213031
5
Quinary
24324140140
6
Senary
2503555433
8
Octal
155504715
10
Decimal
28740045
12
Duodecimal
975bb79
16
Hexadecimal
1b689cd
20
Vigesimal
8jca25
36
Base36
h3zyl
md5
10d5e416700123e3fcd3fc14e59554d2
sha1
539d96117731decfbba8e1fa0d92046b4855dd83
sha256
8e8760009cd79ad7907d3e5bcd3677e24e1fc8c8ce6efc3dfec08abd1f2b3ef0
sha512
ec1ec6f6c0929da8742c79338638bde80f3d1f4cc2fd152c4113aaddb7764aed9324bfe78af65b487e363c1262a5c8f7ad1fefb73c2dec1ca324ac2512af8746
ripemd-160
52dfa6325afeac07a8dea572541e4d7ccc48cfe1
Diameter
57480090
Circumference
180579028.47168
Area
2.5949247021662E+15
Volume
9.943767028249E+22
Surface area
1.0379698808665E+16
Circumference
180579028.47168
Perimeter
114960180
Area
825990186602025
Diagonal
40644561.422213
Surface area
4955941119612150
Volume
2.3738995132501E+22
Space diagonal
49779218.151816
Perimeter
86220135
Area
3.57664242437E+14
Altitude
24889609.075908
Surface area
3.57664242437E+14
Volume
2.7976674061243E+21
Height
13548187.140738