28931550 is an even 8-digits composite number following 28931549
and preceding 28931551 . In scientific notation, it is written as 2.8931550 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 7715040 positive integers (up to 28931550) that are relatively prime to 28931550.
28931550 has 16 divisors, whose sum is 60177936
The reverse of 28931550 is 05513982
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million nine hundred thirty-one thousand five hundred fifty
Scientific notation
2.8931550 × 10^7
Engineering notation
2.8931550 × 10^6
Prime Factorization
2 × 3 × 25 × 192877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931550
Product of the distinct prime numbers
The prime factorization of 28931550 is 2 × 3 × 25 × 192877.
Since it has a total of 4 prime factors.
8 , 9 , 22 , 59 , 250 , 285 , 6454 , 4507 , 9034 , 7204 , 560968 , 262918 , 2295522 , 2420925 , 37250418 , 13079651 , 459699622 , 575686111 , 4875436075 , 9388206340
n×2
57863100
n×3
86794650
n×4
115726200
n×5
144657750
n÷2
14465775
n÷3
9643850
n÷3
7232887.5
n÷5
5786310
n2
837034585402500
n3
2.4216707959302E+22
n4
7.0062689715994E+29
n5
2.0270222106528E+37
2 √n
5378.8056295055
3 √n
306.98976789701
4 √n
73.340341078464
5 √n
31.065213327442
1 , 2 , 3 , 6 , 25 , 50 , 75 , 150 , 192877 , 385754 , 578631 , 1157262 , 4821925 , 9643850 , 14465775 , 28931550
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
-28931549
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 28931550 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931550) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010111011110
3
Ternary
2000102212121220
4
Quaternary
1232113113132
5
Quinary
24401302200
6
Senary
2512034210
8
Octal
156272736
10
Decimal
28931550
12
Duodecimal
9832966
16
Hexadecimal
1b975de
20
Vigesimal
90g8ha
36
Base36
h83q6
md5
9e9913ebb863314794ba2bd84f8a6406
sha1
f4c5714a737fec812575696da6213555118afab1
sha256
f343fc1698db28445797ee4fd49a153e01cde7c258efd6eb317b7d118a5aa83a
sha512
4205c28cb2da02291617a029515334b035adfac7d5118bdc5c94b6ade5c1d7f2e60134051535681e81520f30a0cf0088f68d1d239e1ab69fc0d64ae523f7bf35
ripemd-160
40d62044506181c9ef7b9ee0dc1a800e85d8d96a
Diameter
57863100
Circumference
181782289.87393
Area
2.6296217043011E+15
Volume
1.014387090921E+23
Surface area
1.0518486817204E+16
Circumference
181782289.87393
Perimeter
115726200
Area
837034585402500
Diagonal
40915390.390475
Surface area
5022207512415000
Volume
2.4216707959302E+22
Space diagonal
50110914.541719
Perimeter
86794650
Area
3.6244660740237E+14
Altitude
25055457.27086
Surface area
3.6244660740237E+14
Volume
2.8539664026727E+21
Height
13638463.463492