28888912 is an even 8-digits composite number following 28888911
and preceding 28888913 . In scientific notation, it is written as 2.8888912 × 10^7.
The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors.
There are 13333248 positive integers (up to 28888912) that are relatively prime to 28888912.
28888912 has 20 divisors, whose sum is 60278260
The reverse of 28888912 is 21988882
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred twelve
Scientific notation
2.8888912 × 10^7
Engineering notation
2.8888912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 138889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3611114
Product of the distinct prime numbers
The prime factorization of 28888912 is 2 × 2 × 2 × 2 × 13 × 138889.
Since it has a total of 6 prime factors.
1 , 1 , 52 , 55 , 235 , 398 , 3381 , 9005 , 98532 , 37448 , 468870 , 272648 , 8574508 , 5232908 , 93127340 , 13591309 , 435453433 , 418954595 , 7501797892 , 1822176908
n×2
57777824
n×3
86666736
n×4
115555648
n×5
144444560
n÷2
14444456
n÷3
9629637.3333333
n÷3
7222228
n÷5
5777782.4
n2
834569236543744
n3
2.4109797232419E+22
n4
6.9650581058521E+29
n5
2.0121295069485E+37
2 √n
5374.8406488007
3 √n
306.83888457419
4 √n
73.313304718862
5 √n
31.056051425735
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 208 , 138889 , 277778 , 555556 , 1111112 , 1805557 , 2222224 , 3611114 , 7222228 , 14444456 , 28888912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28888911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28888912 can be divided by 20 positive divisors.
The sum of these divisors (counting 28888912) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101110001100111101010000
3
Ternary
2000100201010201
4
Quaternary
1232030331100
5
Quinary
24343421122
6
Senary
2511104544
8
Octal
156147520
10
Decimal
28888912
12
Duodecimal
9812154
16
Hexadecimal
1b8cf50
20
Vigesimal
90b25c
36
Base36
h76ts
md5
af63d93c761e0955c9977cef9edd874b
sha1
9ccfcea84fa072bbd4d4e416147ef3db6572836a
sha256
4132b04461e247fe388568d2b691d97f69568cf357a1f6d16c544cc1626bf414
sha512
9f331890e76c7aa824f0edfcc87f7b841930d1f9920eb5aa9e4d0a823cfedbbeeec4735763f1855aa0d3392cca85e81b6fb0553cdcee48e1f4ee3a56912a409b
ripemd-160
d23a17036bd6ab9f820ad7c3978180ffb41e5df0
Diameter
57777824
Circumference
181514387.4188
Area
2.6218765824379E+15
Volume
1.0099088248654E+23
Surface area
1.0487506329751E+16
Circumference
181514387.4188
Perimeter
115555648
Area
834569236543744
Diagonal
40855091.152603
Surface area
5007415419262464
Volume
2.4109797232419E+22
Space diagonal
50037063.359386
Perimeter
86666736
Area
3.6137908003193E+14
Altitude
25018531.679693
Surface area
3.6137908003193E+14
Volume
2.8413668526794E+21
Height
13618363.717534