28809916 is an even 8-digits composite number following 28809915
and preceding 28809917 . In scientific notation, it is written as 2.8809916 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 14374640 positive integers (up to 28809916) that are relatively prime to 28809916.
28809916 has 12 divisors, whose sum is 50523480
The reverse of 28809916 is 61990882
Previous prime number is 491
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million eight hundred nine thousand nine hundred sixteen
Scientific notation
2.8809916 × 10^7
Engineering notation
2.8809916 × 10^6
Prime Factorization
2 × 2 × 491 × 14669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14404958
Product of the distinct prime numbers
The prime factorization of 28809916 is 2 × 2 × 491 × 14669.
Since it has a total of 4 prime factors.
6 , 3 , 12 , 33 , 220 , 740 , 2547 , 1368 , 5358 , 87031 , 590951 , 850266 , 5091216 , 2043512 , 759902 , 58849259 , 338298384 , 296233018 , 8584341200 , 8285147207
n×2
57619832
n×3
86429748
n×4
115239664
n×5
144049580
n÷2
14404958
n÷3
9603305.3333333
n÷3
7202479
n÷5
5761983.2
n2
830011259927056
n3
2.3912554677553E+22
n4
6.889186916057E+29
n5
1.984768963599E+37
2 √n
5367.4869352426
3 √n
306.55894820003
4 √n
73.263134899092
5 √n
31.039048420233
1 , 2 , 4 , 491 , 982 , 1964 , 14669 , 29338 , 58676 , 7202479 , 14404958 , 28809916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28809915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28809916 can be divided by 12 positive divisors.
The sum of these divisors (counting 28809916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101111001101010111100
3
Ternary
2000012200202221
4
Quaternary
1231321222330
5
Quinary
24333404131
6
Senary
2505255124
8
Octal
155715274
10
Decimal
28809916
12
Duodecimal
97944a4
16
Hexadecimal
1b79abc
20
Vigesimal
9014fg
36
Base36
h5hvg
md5
a33ff9dc29c3707a79294546887e0884
sha1
002f8430f9725be985f4b6585d5e6cadf9d254c3
sha256
85b4d5c2a262c803a4dcc4eb4d0526d8ec4fbcf7c20f2a917ca3525bdbad0020
sha512
3b834fddb1f0a85154ec80a44196dc71de15beb2c88b38df84353fbfda78c7f3b3776d26cc55e3a7f392ee70624fd8b391768efd529187e58c3e05ef09c1fce5
ripemd-160
5098611d71b8afaffff3ab680ca548248779cda0
Diameter
57619832
Circumference
181018040.91228
Area
2.6075572765836E+15
Volume
1.0016467480475E+23
Surface area
1.0430229106335E+16
Circumference
181018040.91228
Perimeter
115239664
Area
830011259927056
Diagonal
40743373.93803
Surface area
4980067559562336
Volume
2.3912554677553E+22
Space diagonal
49900238.273792
Perimeter
86429748
Area
3.5940541826198E+14
Altitude
24950119.136896
Surface area
3.5940541826198E+14
Volume
2.8181215946653E+21
Height
13581124.64601