28742015 is an odd 8-digits composite number following 28742014
and preceding 28742016 . In scientific notation, it is written as 2.8742015 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 22993608 positive integers (up to 28742015) that are relatively prime to 28742015.
28742015 has 4 divisors, whose sum is 34490424
The reverse of 28742015 is 51024782
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million seven hundred forty-two thousand fifteen
Scientific notation
2.8742015 × 10^7
Engineering notation
2.8742015 × 10^6
Prime Factorization
5 × 5748403
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28742015
Product of the distinct prime numbers
The prime factorization of 28742015 is 5 × 5748403.
Since it has a total of 2 prime factors.
3 , 5 , 82 , 20 , 86 , 795 , 1733 , 5702 , 67817 , 51384 , 491127 , 892978 , 1239530 , 4677198 , 75874249 , 30224140 , 680347630 , 243839055 , 7038911775 , 6249722373
n×2
57484030
n×3
86226045
n×4
114968060
n×5
143710075
n÷2
14371007.5
n÷3
9580671.6666667
n÷3
7185503.75
n÷5
5748403
n2
826103426260225
n3
2.3743877069123E+22
n4
6.8244687087888E+29
n5
1.9614898199504E+37
2 √n
5361.1579905838
3 √n
306.31791968517
4 √n
73.219928916817
5 √n
31.024403655884
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28742014
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28742015 can be divided by 4 positive divisors.
The sum of these divisors (counting 28742015) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101101001000101111111
3
Ternary
2000002020122002
4
Quaternary
1231221011333
5
Quinary
24324221030
6
Senary
2504012515
8
Octal
155510577
10
Decimal
28742015
12
Duodecimal
976113b
16
Hexadecimal
1b6917f
20
Vigesimal
8jcf0f
36
Base36
h41hb
md5
c21222b7523400e8900e46ce8f5aa116
sha1
ddad5981f95eb305fcef5f902cd9fbdff890de32
sha256
fe01184dd64c1d71f60cfa3ba86a827697e85f047415006d5917d70f2009fef4
sha512
af9ffef01f777e2689402fc06e4fe23c2868e57d0140857def69d4dccd6d1cd9b602cb6b076fcc966344e0ca92be9b8de51f2657ff3ef9bb1fc3fc8e2d46eb29
ripemd-160
457412131ffb6706702f24c7dc80c8b732286d66
Diameter
57484030
Circumference
180591406.34674
Area
2.5952804550445E+15
Volume
9.9458119690794E+22
Surface area
1.0381121820178E+16
Circumference
180591406.34674
Perimeter
114968060
Area
826103426260225
Diagonal
40647347.422931
Surface area
4956620557561350
Volume
2.3743877069123E+22
Space diagonal
49782630.291907
Perimeter
86226045
Area
3.5771327664736E+14
Altitude
24891315.145953
Surface area
3.5771327664736E+14
Volume
2.7982427478727E+21
Height
13549115.807644