28742007 is an odd 8-digits composite number following 28742006
and preceding 28742008 . In scientific notation, it is written as 2.8742007 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 15724800 positive integers (up to 28742007) that are relatively prime to 28742007.
28742007 has 16 divisors, whose sum is 31420224
The reverse of 28742007 is 70024782
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million seven hundred forty-two thousand seven
Scientific notation
2.8742007 × 10^7
Engineering notation
2.8742007 × 10^6
Prime Factorization
21 × 37 × 71 × 521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28742007
Product of the distinct prime numbers
The prime factorization of 28742007 is 21 × 37 × 71 × 521.
Since it has a total of 4 prime factors.
5 , 10 , 96 , 13 , 345 , 477 , 5060 , 352 , 94061 , 83559 , 180294 , 101254 , 5848537 , 1402902 , 31319932 , 92882661 , 665668698 , 447880210 , 403293404 , 1231948910
n×2
57484014
n×3
86226021
n×4
114968028
n×5
143710035
n÷2
14371003.5
n÷3
9580669
n÷3
7185501.75
n÷5
5748401.4
n2
826102966388049
n3
2.3743857242646E+22
n4
6.8244611107513E+29
n5
1.9614870901644E+37
2 √n
5361.1572444762
3 √n
306.31789126517
4 √n
73.219923821841
5 √n
31.024401928829
1 , 21 , 37 , 71 , 521 , 777 , 1491 , 2627 , 10941 , 19277 , 36991 , 55167 , 404817 , 776811 , 1368667 , 28742007
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
-28742006
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 28742007 can be divided by 16 positive divisors.
The sum of these divisors (counting 28742007) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101001000101110111
3
Ternary
2000002020121210
4
Quaternary
1231221011313
5
Quinary
24324221012
6
Senary
2504012503
8
Octal
155510567
10
Decimal
28742007
12
Duodecimal
9761133
16
Hexadecimal
1b69177
20
Vigesimal
8jcf07
36
Base36
h41h3
md5
d2d3887e3859d8563b20bf4577ac4295
sha1
9c522df47bf473d6df0672e5e669949533f87346
sha256
99b14fed41d9a713f147a5f3fb0dee3609dfc0c97dc9ddaff1e7538ceb45e18d
sha512
9f77655db1b93046324669efdf61c05ee09b8e7940fcd4fb566cb1f9faf613ea3c142e3bbeabd3f7cb413ecb65cf8c80b7ad163279de685b21f59b4decbbf2f7
ripemd-160
84d0748f7514a580cb795a7a0b1ffc49b3b96138
Diameter
57484014
Circumference
180591356.08125
Area
2.5952790103134E+15
Volume
9.9458036641842E+22
Surface area
1.0381116041254E+16
Circumference
180591356.08125
Perimeter
114968028
Area
826102966388049
Diagonal
40647336.109222
Surface area
4956617798328294
Volume
2.3743857242646E+22
Space diagonal
49782616.4355
Perimeter
86226021
Area
3.5771307751687E+14
Altitude
24891308.21775
Surface area
3.5771307751687E+14
Volume
2.7982404113001E+21
Height
13549112.036407