28920072 is an even 8-digits composite number following 28920071
and preceding 28920073 . In scientific notation, it is written as 2.8920072 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 9620160 positive integers (up to 28920072) that are relatively prime to 28920072.
28920072 has 32 divisors, whose sum is 72449280
The reverse of 28920072 is 27002982
Previous prime number is 661
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million nine hundred twenty thousand seventy-two
Scientific notation
2.8920072 × 10^7
Engineering notation
2.8920072 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 661 × 1823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7230018
Product of the distinct prime numbers
The prime factorization of 28920072 is 2 × 2 × 2 × 3 × 661 × 1823.
Since it has a total of 6 prime factors.
4 , 2 , 70 , 3 , 559 , 113 , 6739 , 418 , 39711 , 42420 , 146113 , 848536 , 1416544 , 2037126 , 74129693 , 30699731 , 397357564 , 251820998 , 8374249617 , 9127008585
n×2
57840144
n×3
86760216
n×4
115680288
n×5
144600360
n÷2
14460036
n÷3
9640024
n÷3
7230018
n÷5
5784014.4
n2
836370564485184
n3
2.4187896943592E+22
n4
6.9951572113727E+29
n5
2.0230045020422E+37
2 √n
5377.7385581674
3 √n
306.94916522583
4 √n
73.333065926411
5 √n
31.062748038743
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 661 , 1322 , 1823 , 1983 , 2644 , 3646 , 3966 , 5288 , 5469 , 7292 , 7932 , 10938 , 14584 , 15864 , 21876 , 43752 , 1205003 , 2410006 , 3615009 , 4820012 , 7230018 , 9640024 , 14460036 , 28920072
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
-28920071
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 28920072 can be divided by 32 positive divisors.
The sum of these divisors (counting 28920072) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010100100100001000
3
Ternary
2000102021212210
4
Quaternary
1232110210020
5
Quinary
24400420242
6
Senary
2511505120
8
Octal
156244410
10
Decimal
28920072
12
Duodecimal
98281a0
16
Hexadecimal
1b94908
20
Vigesimal
90f03c
36
Base36
h7uvc
md5
90a6e3c610656e4850592f6d5710f415
sha1
174bd9fd27aa03a20a7c21ddd2dce2e1e6d025d0
sha256
08aab31b3ac90a49bcca6b9b92b907b38c0ef8e0b21afff24f6825aafee17959
sha512
1fd96da7a1c3dcbfe0d674fa86e5b42756fac5c6f7a722ab79b42705b532b36f90b26323fb31ff6351b2ac900768c19ec87031b6de7d5a673517c727702862c6
ripemd-160
cbdc561012e17920ce94342289cdc4bea92d0ffd
Diameter
57840144
Circumference
181710171.47298
Area
2.6275356210654E+15
Volume
1.013180257917E+23
Surface area
1.0510142484262E+16
Circumference
181710171.47298
Perimeter
115680288
Area
836370564485184
Diagonal
40899158.047206
Surface area
5018223386911104
Volume
2.4187896943592E+22
Space diagonal
50091034.06255
Perimeter
86760216
Area
3.6215907791085E+14
Altitude
25045517.031275
Surface area
3.6215907791085E+14
Volume
2.8505709919092E+21
Height
13633052.682402