28993893 is an odd 8-digits composite number following 28993892
and preceding 28993894 . In scientific notation, it is written as 2.8993893 × 10^7.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 19329260 positive integers (up to 28993893) that are relatively prime to 28993893.
28993893 has 4 divisors, whose sum is 38658528
The reverse of 28993893 is 39839982
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million nine hundred ninety-three thousand eight hundred ninety-three
Scientific notation
2.8993893 × 10^7
Engineering notation
2.8993893 × 10^6
Prime Factorization
3 × 9664631
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28993893
Product of the distinct prime numbers
The prime factorization of 28993893 is 3 × 9664631.
Since it has a total of 2 prime factors.
4 , 6 , 48 , 94 , 497 , 747 , 383 , 1909 , 90810 , 76497 , 966235 , 990769 , 3483384 , 5122357 , 6565427 , 51805249 , 458219950 , 494122902 , 8309936383 , 5035760804
n×2
57987786
n×3
86981679
n×4
115975572
n×5
144969465
n÷2
14496946.5
n÷3
9664631
n÷3
7248473.25
n÷5
5798778.6
n2
840645831295449
n3
2.4373595283476E+22
n4
7.0668541367442E+29
n5
2.0489561268737E+37
2 √n
5384.5977565646
3 √n
307.210114803
4 √n
73.379818455516
5 √n
31.078589945256
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28993892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28993893 can be divided by 4 positive divisors.
The sum of these divisors (counting 28993893) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100110100101100101
3
Ternary
2000120001010220
4
Quaternary
1232212211211
5
Quinary
24410301033
6
Senary
2513234553
8
Octal
156464545
10
Decimal
28993893
12
Duodecimal
9862a59
16
Hexadecimal
1ba6965
20
Vigesimal
9144ed
36
Base36
h9ftx
md5
15f1917122771e253f2ee595ccc3e489
sha1
2430ecf073e185000fa2124e3600e77a516735aa
sha256
33f140c5ac627e71b86a0318813a259fce35a1ba33aa8ce8d784299b9fe0688f
sha512
03dab2b9e0bb75251d9bd0bb37f64aadc7f207696aa8cf205315eeb0a617d50dd96b7608333f3094ab4dd079db0e9c5d5b0eafe864b4d504a2dd7c82cfbdac1d
ripemd-160
aa0d058047bc9492b1a14bb7e7b82ea91b8a56fa
Diameter
57987786
Circumference
182174002.49554
Area
2.6409667678687E+15
Volume
1.0209587717885E+23
Surface area
1.0563867071475E+16
Circumference
182174002.49554
Perimeter
115975572
Area
840645831295449
Diagonal
41003556.706594
Surface area
5043874987772694
Volume
2.4373595283476E+22
Space diagonal
50218895.785216
Perimeter
86981679
Area
3.6401032274367E+14
Altitude
25109447.892608
Surface area
3.6401032274367E+14
Volume
2.8724557511404E+21
Height
13667852.235531