28742005 is an odd 8-digits composite number following 28742004
and preceding 28742006 . In scientific notation, it is written as 2.8742005 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 22812048 positive integers (up to 28742005) that are relatively prime to 28742005.
28742005 has 8 divisors, whose sum is 34762752
The reverse of 28742005 is 50024782
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million seven hundred forty-two thousand five
Scientific notation
2.8742005 × 10^7
Engineering notation
2.8742005 × 10^6
Prime Factorization
5 × 127 × 45263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28742005
Product of the distinct prime numbers
The prime factorization of 28742005 is 5 × 127 × 45263.
Since it has a total of 3 prime factors.
8 , 9 , 1 , 36 , 190 , 49 , 7856 , 7836 , 404 , 74452 , 680799 , 752202 , 4388922 , 3658872 , 22657114 , 96196260 , 198111326 , 613399991 , 2647823837 , 795724725
n×2
57484010
n×3
86226015
n×4
114968020
n×5
143710025
n÷2
14371002.5
n÷3
9580668.3333333
n÷3
7185501.25
n÷5
5748401
n2
826102851420025
n3
2.3743852286029E+22
n4
6.824459211243E+29
n5
1.9614864077184E+37
2 √n
5361.1570579493
3 √n
306.31788416017
4 √n
73.219922548097
5 √n
31.024401497065
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28742004
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28742005 can be divided by 8 positive divisors.
The sum of these divisors (counting 28742005) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101001000101110101
3
Ternary
2000002020121201
4
Quaternary
1231221011311
5
Quinary
24324221010
6
Senary
2504012501
8
Octal
155510565
10
Decimal
28742005
12
Duodecimal
9761131
16
Hexadecimal
1b69175
20
Vigesimal
8jcf05
36
Base36
h41h1
md5
4278b28d80149d30c0e6bc4b87610a14
sha1
f47c604d251c2d39b66f92b8603f2c6de3334d0b
sha256
f4975ac27515d2ee72a2155af662072f153c715a115290e3ffa8f4c9a38c877c
sha512
da7ca4e67f460bd54926af9d12754ce43fad9d0ce8a80a07fefdd5394a086a61bd12da3d4d68b3d8a78a2592c2d7122fd52047f42482d03e5e0a5b0fa5d157a7
ripemd-160
8e73e5ed523428cb96836369dc064ec46be27360
Diameter
57484010
Circumference
180591343.51488
Area
2.5952786491307E+15
Volume
9.9458015879612E+22
Surface area
1.0381114596523E+16
Circumference
180591343.51488
Perimeter
114968020
Area
826102851420025
Diagonal
40647333.280795
Surface area
4956617108520150
Volume
2.3743852286029E+22
Space diagonal
49782612.971399
Perimeter
86226015
Area
3.5771302773425E+14
Altitude
24891306.485699
Surface area
3.5771302773425E+14
Volume
2.7982398271571E+21
Height
13549111.093598