28307811 is an odd 8-digits composite number following 28307810
and preceding 28307812 . In scientific notation, it is written as 2.8307811 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 16127424 positive integers (up to 28307811) that are relatively prime to 28307811.
28307811 has 8 divisors, whose sum is 29744704
The reverse of 28307811 is 11870382
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million three hundred seven thousand eight hundred eleven
Scientific notation
2.8307811 × 10^7
Engineering notation
2.8307811 × 10^6
Prime Factorization
21 × 367 × 3673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28307811
Product of the distinct prime numbers
The prime factorization of 28307811 is 21 × 367 × 3673.
Since it has a total of 3 prime factors.
10 , 8 , 43 , 1 , 830 , 554 , 1887 , 5560 , 64259 , 31139 , 415290 , 508370 , 9400410 , 8210486 , 625637 , 34957216 , 541687463 , 624086510 , 5858519119 , 5782669961
n×2
56615622
n×3
84923433
n×4
113231244
n×5
141539055
n÷2
14153905.5
n÷3
9435937
n÷3
7076952.75
n÷5
5661562.2
n2
801332163611721
n3
2.2683959435742E+22
n4
6.4213323643864E+29
n5
1.8177386293923E+37
2 √n
5320.508528327
3 √n
304.76757711688
4 √n
72.941816047635
5 √n
30.930095252872
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28307810
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28307811 can be divided by 8 positive divisors.
The sum of these divisors (counting 28307811) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111111000101100011
3
Ternary
1222021012000110
4
Quaternary
1223333011203
5
Quinary
24221322221
6
Senary
2450422403
8
Octal
153770543
10
Decimal
28307811
12
Duodecimal
9591a03
16
Hexadecimal
1aff163
20
Vigesimal
8gi9ab
36
Base36
guqg3
md5
279fda387d9fea409d62b44d4b10c972
sha1
1c31a54443850c24700033710eb30f4f101ab88a
sha256
7bc7fbda51065015d0c4efbf1ddab384632800ab29d14bb3d861454eb199d2dd
sha512
31830cf2318d216d266f0f08cabf164c7e1a54c0a942312fb9c87b545e7a67061608a6b9872b3c63202a56e4971a2e112a4e9201c124bcf1ce01a7a56d1a84f6
ripemd-160
ac90046bb824e8d43ff2c915a50af277eccffb6e
Diameter
56615622
Circumference
177863222.15362
Area
2.5174592382878E+15
Volume
9.5018347090207E+22
Surface area
1.0069836953151E+16
Circumference
177863222.15362
Perimeter
113231244
Area
801332163611721
Diagonal
40033290.237294
Surface area
4807992981670326
Volume
2.2683959435742E+22
Space diagonal
49030566.903057
Perimeter
84923433
Area
3.4698700527865E+14
Altitude
24515283.451529
Surface area
3.4698700527865E+14
Volume
2.6733302568623E+21
Height
13344430.079098