28886961 is an odd 8-digits composite number following 28886960
and preceding 28886962 . In scientific notation, it is written as 2.8886961 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 17781504 positive integers (up to 28886961) that are relatively prime to 28886961.
28886961 has 16 divisors, whose sum is 41554944
The reverse of 28886961 is 16968882
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million eight hundred eighty-six thousand nine hundred sixty-one
Scientific notation
2.8886961 × 10^7
Engineering notation
2.8886961 × 10^6
Prime Factorization
3 × 17 × 53 × 10687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28886961
Product of the distinct prime numbers
The prime factorization of 28886961 is 3 × 17 × 53 × 10687.
Since it has a total of 4 prime factors.
9 , 7 , 28 , 100 , 194 , 567 , 1633 , 9530 , 74352 , 74845 , 36235 , 548639 , 3851694 , 6612592 , 34172036 , 16853287 , 410960197 , 497960976 , 7841454213 , 967780477
n×2
57773922
n×3
86660883
n×4
115547844
n×5
144434805
n÷2
14443480.5
n÷3
9628987
n÷3
7221740.25
n÷5
5777392.2
n2
834456515815521
n3
2.4104912828559E+22
n4
6.9631767678698E+29
n5
2.0114501572956E+37
2 √n
5374.6591519835
3 √n
306.83197700886
4 √n
73.312066892044
5 √n
31.055631943041
1 , 3 , 17 , 51 , 53 , 159 , 901 , 2703 , 10687 , 32061 , 181679 , 545037 , 566411 , 1699233 , 9628987 , 28886961
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
-28886960
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 28886961 can be divided by 16 positive divisors.
The sum of these divisors (counting 28886961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001100011110110001
3
Ternary
2000100121110110
4
Quaternary
1232030132301
5
Quinary
24343340321
6
Senary
2511051533
8
Octal
156143661
10
Decimal
28886961
12
Duodecimal
9810ba9
16
Hexadecimal
1b8c7b1
20
Vigesimal
90ah81
36
Base36
h75bl
md5
cd1205789c5c71e925f1734f1ef14765
sha1
11b8747f57babc4ccdfddc26c16bd727e34370eb
sha256
10f3f5fc47622a55d4e063b74eaa265a30bff668659c5dd3ce2d2a36bbfc7790
sha512
651c616326e596eaba4f4e78ee5e0bab1d17cb617b044e263bfe2b70e75f8d151cdfa548fbce5d3ee16189c15736fb5713d31414463852a6c2d6841da46924d0
ripemd-160
41c756d97afbb408ef4eabb004adbf950eee2adb
Diameter
57773922
Circumference
181502128.92427
Area
2.6215224598262E+15
Volume
1.009704227435E+23
Surface area
1.0486089839305E+16
Circumference
181502128.92427
Perimeter
115547844
Area
834456515815521
Diagonal
40852332.021943
Surface area
5006739094893126
Volume
2.4104912828559E+22
Space diagonal
50033684.128261
Perimeter
86660883
Area
3.6133027052485E+14
Altitude
25016842.06413
Surface area
3.6133027052485E+14
Volume
2.8407912201641E+21
Height
13617444.007314