28909851 is an odd 8-digits composite number following 28909850
and preceding 28909852 . In scientific notation, it is written as 2.8909851 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 19001640 positive integers (up to 28909851) that are relatively prime to 28909851.
28909851 has 8 divisors, whose sum is 39089664
The reverse of 28909851 is 15890982
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred nine thousand eight hundred fifty-one
Scientific notation
2.8909851 × 10^7
Engineering notation
2.8909851 × 10^6
Prime Factorization
3 × 71 × 135727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28909851
Product of the distinct prime numbers
The prime factorization of 28909851 is 3 × 71 × 135727.
Since it has a total of 3 prime factors.
9 , 9 , 58 , 55 , 83 , 975 , 2664 , 7689 , 17470 , 61966 , 788949 , 585524 , 9363063 , 9011366 , 24454137 , 18497798 , 2039884 , 346768464 , 9964704655 , 7328533845
n×2
57819702
n×3
86729553
n×4
115639404
n×5
144549255
n÷2
14454925.5
n÷3
9636617
n÷3
7227462.75
n÷5
5781970.2
n2
835779484842201
n3
2.4162260375645E+22
n4
6.9852734728309E+29
n5
2.019432152938E+37
2 √n
5376.7881676704
3 √n
306.91300006585
4 √n
73.326585681255
5 √n
31.060552074357
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
-28909850
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 28909851 can be divided by 8 positive divisors.
The sum of these divisors (counting 28909851) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110010010000100011011
3
Ternary
2000101202212020
4
Quaternary
1232102010123
5
Quinary
24400103401
6
Senary
2511345523
8
Octal
156220433
10
Decimal
28909851
12
Duodecimal
98222a3
16
Hexadecimal
1b9211b
20
Vigesimal
90decb
36
Base36
h7mzf
md5
02b7d54e9ecb55a9677750cdb93153b3
sha1
d296756b8837d40dcea8e4055a6200824c45fab3
sha256
f1ff3ab91099b857919e7ac29268bb05b0c5e52931602eb1909c413c4618c8be
sha512
b18dbe96c71d73ac3bc48879b1277df154dc43f1547f2ef54c5c0dad75bfcac507e4aaadbccde8e31ba883fdb9215cc92484781727603b8c7e34935ade020f39
ripemd-160
87a10c70bb1372b4f3fb378bc4ca2ccc495b0183
Diameter
57819702
Circumference
181645951.03595
Area
2.6256786896013E+15
Volume
1.01210639587E+23
Surface area
1.0502714758405E+16
Circumference
181645951.03595
Perimeter
115639404
Area
835779484842201
Diagonal
40884703.370385
Surface area
5014676909053206
Volume
2.4162260375645E+22
Space diagonal
50073330.771246
Perimeter
86729553
Area
3.6190313291761E+14
Altitude
25036665.385623
Surface area
3.6190313291761E+14
Volume
2.8475496934022E+21
Height
13628234.456795