28994290 is an even 8-digits composite number following 28994289
and preceding 28994291 . In scientific notation, it is written as 2.8994290 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors.
There are 10653120 positive integers (up to 28994290) that are relatively prime to 28994290.
28994290 has 32 divisors, whose sum is 56480256
The reverse of 28994290 is 09249982
Previous prime number is 271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million nine hundred ninety-four thousand two hundred ninety
Scientific notation
2.8994290 × 10^7
Engineering notation
2.8994290 × 10^6
Prime Factorization
2 × 5 × 13 × 271 × 823
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28994290
Product of the distinct prime numbers
The prime factorization of 28994290 is 2 × 5 × 13 × 271 × 823.
Since it has a total of 5 prime factors.
1 , 7 , 77 , 3 , 57 , 721 , 631 , 7933 , 18796 , 25476 , 532136 , 480112 , 2165533 , 7399931 , 81722965 , 4349597 , 48217792 , 704131386 , 2187537378 , 2748733509
n×2
57988580
n×3
86982870
n×4
115977160
n×5
144971450
n÷2
14497145
n÷3
9664763.3333333
n÷3
7248572.5
n÷5
5798858
n2
840668852604100
n3
2.4374596506371E+22
n4
7.0672411973869E+29
n5
2.0490964077698E+37
2 √n
5384.6346208448
3 √n
307.21151695872
4 √n
73.380069643226
5 √n
31.078675053748
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 271 , 542 , 823 , 1355 , 1646 , 2710 , 3523 , 4115 , 7046 , 8230 , 10699 , 17615 , 21398 , 35230 , 53495 , 106990 , 223033 , 446066 , 1115165 , 2230330 , 2899429 , 5798858 , 14497145 , 28994290
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
-28994289
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 28994290 can be divided by 32 positive divisors.
The sum of these divisors (counting 28994290) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110100110101011110010
3
Ternary
2000120001200121
4
Quaternary
1232212223302
5
Quinary
24410304130
6
Senary
2513240454
8
Octal
156465362
10
Decimal
28994290
12
Duodecimal
986312a
16
Hexadecimal
1ba6af2
20
Vigesimal
9145ea
36
Base36
h9g4y
md5
05b50af3bb6d8b259bf4bb8973c49c30
sha1
bf3de5386d9e201880e999471dd0813b2fcca530
sha256
a2a76e586af61e8012c3ca64d66136a23691f6349ffd44bdb4c4c08bc3e33a35
sha512
a07fb6f3bba83e52cd92271372d5a8037b63b015849367e1237ccb07057d305fda4b2b638249149cbbc8586347a349f3cbb92d2a94ca44192d3fc75f3d17df81
ripemd-160
798a470e46adddc15b97fd42b81f8d940fbe44c8
Diameter
57988580
Circumference
182176496.9201
Area
2.6410390914428E+15
Volume
1.0210007109151E+23
Surface area
1.0564156365771E+16
Circumference
182176496.9201
Perimeter
115977160
Area
840668852604100
Diagonal
41004118.149379
Surface area
5044013115624600
Volume
2.4374596506371E+22
Space diagonal
50219583.409386
Perimeter
86982870
Area
3.6402029126273E+14
Altitude
25109791.704693
Surface area
3.6402029126273E+14
Volume
2.8725737463901E+21
Height
13668039.383126