28742456 is an even 8-digits composite number following 28742455
and preceding 28742457 . In scientific notation, it is written as 2.8742456 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 13300320 positive integers (up to 28742456) that are relatively prime to 28742456.
28742456 has 32 divisors, whose sum is 58060800
The reverse of 28742456 is 65424782
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million seven hundred forty-two thousand four hundred fifty-six
Scientific notation
2.8742456 × 10^7
Engineering notation
2.8742456 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 31 × 5039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7185614
Product of the distinct prime numbers
The prime factorization of 28742456 is 2 × 2 × 2 × 23 × 31 × 5039.
Since it has a total of 6 prime factors.
5 , 4 , 32 , 1 , 253 , 646 , 5233 , 4668 , 74221 , 84759 , 629582 , 147502 , 3330738 , 4664618 , 35466774 , 59678904 , 419839681 , 606951594 , 9103810853 , 7383033437
n×2
57484912
n×3
86227368
n×4
114969824
n×5
143712280
n÷2
14371228
n÷3
9580818.6666667
n÷3
7185614
n÷5
5748491.2
n2
826128776911936
n3
2.3744970020725E+22
n4
6.8248875604201E+29
n5
1.9616403041032E+37
2 √n
5361.1991196
3 √n
306.31948632912
4 √n
73.220209775717
5 √n
31.024498859217
1 , 2 , 4 , 8 , 23 , 31 , 46 , 62 , 92 , 124 , 184 , 248 , 713 , 1426 , 2852 , 5039 , 5704 , 10078 , 20156 , 40312 , 115897 , 156209 , 231794 , 312418 , 463588 , 624836 , 927176 , 1249672 , 3592807 , 7185614 , 14371228 , 28742456
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28742455
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28742456 can be divided by 32 positive divisors.
The sum of these divisors (counting 28742456) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101101001001100111000
3
Ternary
2000002021020102
4
Quaternary
1231221030320
5
Quinary
24324224311
6
Senary
2504014532
8
Octal
155511470
10
Decimal
28742456
12
Duodecimal
9761448
16
Hexadecimal
1b69338
20
Vigesimal
8jcg2g
36
Base36
h41tk
md5
fdaa2488ef5cfd6bc10ea89e16364039
sha1
19dfbe6a2e52e86dd5d52fb589ef7df09fc02d3b
sha256
9afa2b6d28b4885d434414b27fbee23ec67a747e6f6f3e9036fd13b1c5612b25
sha512
acfe92ec711c8a1627e2ba63de55be7e98214074c929fd35cb8bd0eaf627c4f5743c339bc1c7279533bb1006a2273102115ea192fc2b3806fa012ab3dfcac037
ripemd-160
c5664d6a9f7e2dd3e86ecaddb5d780b276ea4dd4
Diameter
57484912
Circumference
180594177.23146
Area
2.5953600964657E+15
Volume
9.946269783576E+22
Surface area
1.0381440385863E+16
Circumference
180594177.23146
Perimeter
114969824
Area
826128776911936
Diagonal
40647971.091112
Surface area
4956772661471616
Volume
2.3744970020725E+22
Space diagonal
49783394.126313
Perimeter
86227368
Area
3.5772425380155E+14
Altitude
24891697.063156
Surface area
3.5772425380155E+14
Volume
2.7983715534543E+21
Height
13549323.697037