28993880 is an even 8-digits composite number following 28993879
and preceding 28993881 . In scientific notation, it is written as 2.8993880 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 11597536 positive integers (up to 28993880) that are relatively prime to 28993880.
28993880 has 16 divisors, whose sum is 65236320
The reverse of 28993880 is 08839982
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million nine hundred ninety-three thousand eight hundred eighty
Scientific notation
2.8993880 × 10^7
Engineering notation
2.8993880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 724847
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7248470
Product of the distinct prime numbers
The prime factorization of 28993880 is 2 × 2 × 2 × 5 × 724847.
Since it has a total of 5 prime factors.
9 , 4 , 100 , 77 , 980 , 690 , 5688 , 5298 , 48561 , 52625 , 753804 , 438173 , 7713909 , 5008554 , 76290127 , 37834394 , 424089309 , 821232654 , 9117529079 , 7726835937
n×2
57987760
n×3
86981640
n×4
115975520
n×5
144969400
n÷2
14496940
n÷3
9664626.6666667
n÷3
7248470
n÷5
5798776
n2
840645077454400
n3
2.4373562498304E+22
n4
7.0668414624831E+29
n5
2.0489515334226E+37
2 √n
5384.5965494176
3 √n
307.21006888836
4 √n
73.379810230183
5 √n
31.078587158312
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 724847 , 1449694 , 2899388 , 3624235 , 5798776 , 7248470 , 14496940 , 28993880
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
-28993879
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 28993880 can be divided by 16 positive divisors.
The sum of these divisors (counting 28993880) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100110100101011000
3
Ternary
2000120001010102
4
Quaternary
1232212211120
5
Quinary
24410301010
6
Senary
2513234532
8
Octal
156464530
10
Decimal
28993880
12
Duodecimal
9862a48
16
Hexadecimal
1ba6958
20
Vigesimal
9144e0
36
Base36
h9ftk
md5
17b7e880aba63a5c5864fd6813028dda
sha1
0f0f88e7b71eb07ccf00dd282013ba73329bf1a8
sha256
0af5af7e2c5db06465d26b452780aee0e6a3622e0e2d65177e558085581920b4
sha512
107013ca1c3f211b2390d0035f4e9cd0112e2b1d35370f96283551a0bcd2ce095971c9542a3a97251b8dc715c873aae84092d3e15aeb024125dd2f8e36469230
ripemd-160
d6582ecda462b70f289763e9837aa92cee9def32
Diameter
57987760
Circumference
182173920.81413
Area
2.6409643996072E+15
Volume
1.0209573984864E+23
Surface area
1.0563857598429E+16
Circumference
182173920.81413
Perimeter
115975520
Area
840645077454400
Diagonal
41003538.321818
Surface area
5043870464726400
Volume
2.4373562498304E+22
Space diagonal
50218873.268555
Perimeter
86981640
Area
3.6400999632092E+14
Altitude
25109436.634278
Surface area
3.6400999632092E+14
Volume
2.8724518873708E+21
Height
13667846.107273