287679968 is an even 9-digits composite number following 287679967
and preceding 287679969 . In scientific notation, it is written as 2.87679968 × 10^8.
The sum of its digits is 62. It has a total of 6 prime factors and 12 positive divisors.
There are 143839968 positive integers (up to 287679968) that are relatively prime to 287679968.
287679968 has 12 divisors, whose sum is 566370000
The reverse of 287679968 is 869976782
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 62
Digital Root 8
Name
two hundred eighty-seven million six hundred seventy-nine thousand nine hundred sixty-eight
Scientific notation
2.87679968 × 10^8
Engineering notation
2.87679968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 8989999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17979998
Product of the distinct prime numbers
The prime factorization of 287679968 is 2 × 2 × 2 × 2 × 2 × 8989999.
Since it has a total of 6 prime factors.
8 , 4 , 22 , 29 , 729 , 425 , 2922 , 8179 , 56313 , 24640 , 565188 , 625610 , 5040036 , 3133846 , 90889125 , 79087997 , 316797388 , 523547047 , 734016788 , 9603620126
n×2
575359936
n×3
863039904
n×4
1150719872
n×5
1438399840
n÷2
143839984
n÷3
95893322.666667
n÷3
71919992
n÷5
57535993.6
n2
82759763988481024
n3
2.3808326255894E+25
n4
6.8491785354291E+33
n5
1.9703714618985E+42
2 √n
16961.131094358
3 √n
660.14074745463
4 √n
130.23490735728
5 √n
49.179252608097
1 , 2 , 4 , 8 , 16 , 32 , 8989999 , 17979998 , 35959996 , 71919992 , 143839984 , 287679968
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
-287679967
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 287679968 can be divided by 12 positive divisors.
The sum of these divisors (counting 287679968) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10001001001011010010111100000
3
Ternary
202001022122201122
4
Quaternary
101021122113200
5
Quinary
1042121224333
6
Senary
44313551412
8
Octal
2111322740
10
Decimal
287679968
12
Duodecimal
80415568
16
Hexadecimal
1125a5e0
20
Vigesimal
49hjji8
36
Base36
4r9za8
md5
22130d0ce316c355688825040faae5d9
sha1
937d49114837b071155d93bfb4913278beca1d62
sha256
047164f8fd398f088a220db1a6094e97c6cb608123daa0515f667d22d7c59e4c
sha512
515ebbdff53159eb1dac18f162a2cd2af1adeea35bdb2e19a66472a3ef90fe01fca2a30494da464af9bb51f3fb604ed249a6c2c83af035acf4b1b28a4c40f5ff
ripemd-160
3c08403bcce2adfdc5f25e2dccba0fc82ae37010
Diameter
575359936
Circumference
1807546548.1075
Area
2.5999746655904E+17
Volume
9.9728083813046E+25
Surface area
1.0399898662361E+18
Circumference
1807546548.1075
Perimeter
1150719872
Area
82759763988481024
Diagonal
406840912.36866
Surface area
496558583930886144
Volume
2.3808326255894E+25
Space diagonal
498276320.89579
Perimeter
863039904
Area
3.5836029012615E+16
Altitude
249138160.44789
Surface area
3.5836029012615E+16
Volume
2.805838157374E+24
Height
135613637.45622