28993811 is an odd 8-digits composite number following 28993810
and preceding 28993812 . In scientific notation, it is written as 2.8993811 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 22464000 positive integers (up to 28993811) that are relatively prime to 28993811.
28993811 has 16 divisors, whose sum is 36354048
The reverse of 28993811 is 11839982
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million nine hundred ninety-three thousand eight hundred eleven
Scientific notation
2.8993811 × 10^7
Engineering notation
2.8993811 × 10^6
Prime Factorization
7 × 11 × 193 × 1951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28993811
Product of the distinct prime numbers
The prime factorization of 28993811 is 7 × 11 × 193 × 1951.
Since it has a total of 4 prime factors.
8 , 7 , 40 , 4 , 661 , 14 , 9843 , 2789 , 46384 , 93686 , 411354 , 486091 , 9245832 , 9403885 , 56442384 , 73322804 , 313801449 , 979848627 , 8560608183 , 4399562040
n×2
57987622
n×3
86981433
n×4
115975244
n×5
144969055
n÷2
14496905.5
n÷3
9664603.6666667
n÷3
7248452.75
n÷5
5798762.2
n2
840641076303721
n3
2.4373388485187E+22
n4
7.0667741916908E+29
n5
2.0489271529356E+37
2 √n
5384.5901422485
3 √n
307.20982518738
4 √n
73.379766572595
5 √n
31.078572366055
1 , 7 , 11 , 77 , 193 , 1351 , 1951 , 2123 , 13657 , 14861 , 21461 , 150227 , 376543 , 2635801 , 4141973 , 28993811
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28993810
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28993811 can be divided by 16 positive divisors.
The sum of these divisors (counting 28993811) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100110100100010011
3
Ternary
2000120001000212
4
Quaternary
1232212210103
5
Quinary
24410300221
6
Senary
2513234335
8
Octal
156464423
10
Decimal
28993811
12
Duodecimal
98629ab
16
Hexadecimal
1ba6913
20
Vigesimal
9144ab
36
Base36
h9frn
md5
56694b1368b7396e35f1efb0b16effd1
sha1
6ecc401d76494a382f7744bdf2d6fca6e4f07f0e
sha256
33a50802144172025c45fac36bad54287ca6f4a1ffc7b56dffcdeff854b19799
sha512
67d9445118c2cd59d06d6801163873850fdbc7c2724ad08e4fc1a2d3574dfa4e103af937cdcd581ce9befeb51c036884cea11851fe2914db052aa25b864ab25b
ripemd-160
8ba6705181cf0454413dc198b261aae4bb5cbedc
Diameter
57987622
Circumference
182173487.27434
Area
2.6409518296216E+15
Volume
1.020950109442E+23
Surface area
1.0563807318486E+16
Circumference
182173487.27434
Perimeter
115975244
Area
840641076303721
Diagonal
41003440.741082
Surface area
5043846457822326
Volume
2.4373388485187E+22
Space diagonal
50218753.757049
Perimeter
86981433
Area
3.6400826377186E+14
Altitude
25109376.878525
Surface area
3.6400826377186E+14
Volume
2.8724313797283E+21
Height
13667813.580361