28131510 is an even 8-digits composite number following 28131509
and preceding 28131511 . In scientific notation, it is written as 2.8131510 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6819680 positive integers (up to 28131510) that are relatively prime to 28131510.
28131510 has 16 divisors, whose sum is 49102848
The reverse of 28131510 is 01513182
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-eight million one hundred thirty-one thousand five hundred ten
Scientific notation
2.8131510 × 10^7
Engineering notation
2.8131510 × 10^6
Prime Factorization
2 × 15 × 11 × 85247
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28131510
Product of the distinct prime numbers
The prime factorization of 28131510 is 2 × 15 × 11 × 85247.
Since it has a total of 4 prime factors.
6 , 8 , 40 , 60 , 753 , 257 , 6436 , 7378 , 62543 , 70744 , 682987 , 759228 , 4089551 , 7954362 , 61210404 , 1368561 , 850062836 , 572151452 , 4351951601 , 1142377968
n×2
56263020
n×3
84394530
n×4
112526040
n×5
140657550
n÷2
14065755
n÷3
9377170
n÷3
7032877.5
n÷5
5626302
n2
791381854880100
n3
2.2262766564378E+22
n4
6.2628524023347E+29
n5
1.761834949848E+37
2 √n
5303.9145920725
3 √n
304.13356175224
4 √n
72.827979458945
5 √n
30.891472399025
1 , 2 , 11 , 15 , 22 , 30 , 165 , 330 , 85247 , 170494 , 937717 , 1278705 , 1875434 , 2557410 , 14065755 , 28131510
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
-28131509
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 28131510 can be divided by 16 positive divisors.
The sum of these divisors (counting 28131510) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010100000010110110
3
Ternary
1221221020011210
4
Quaternary
1223110002312
5
Quinary
24200202020
6
Senary
2442542250
8
Octal
153240266
10
Decimal
28131510
12
Duodecimal
9507986
16
Hexadecimal
1ad40b6
20
Vigesimal
8fg8fa
36
Base36
gqyeu
md5
fb6e4b44fdca00710da74d17e60a0b09
sha1
80f692e3ecdb136369d5ed661d822c9d405b47d9
sha256
4035677943b02275d657bba8f4d5c6907665edc85fb88f031e912259f33a82a1
sha512
8a99c7289bbc7a624dc4d7ed941958043593b1cc1251cdd175ef17424404fd6e810b5cf8ba70732b6c2e1b81a6e90c918f22e746e4648e3f3cff15fd808c1d25
ripemd-160
775c4e9f2190a68f86feae33657d565afa607608
Diameter
56263020
Circumference
176755490.30078
Area
2.4861994214756E+15
Volume
9.3254058516313E+22
Surface area
9.9447976859023E+15
Circumference
176755490.30078
Perimeter
112526040
Area
791381854880100
Diagonal
39783962.972034
Surface area
4748291129280600
Volume
2.2262766564378E+22
Space diagonal
48725204.613632
Perimeter
84394530
Area
3.4267839521011E+14
Altitude
24362602.306816
Surface area
3.4267839521011E+14
Volume
2.6236922009408E+21
Height
13261320.990678