287331394 is an even 9-digits composite number following 287331393
and preceding 287331395 . In scientific notation, it is written as 2.87331394 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 122783976 positive integers (up to 287331394) that are relatively prime to 287331394.
287331394 has 16 divisors, whose sum is 492824448
The reverse of 287331394 is 493133782
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred eighty-seven million three hundred thirty-one thousand three hundred ninety-four
Scientific notation
2.87331394 × 10^8
Engineering notation
2.87331394 × 10^6
Prime Factorization
2 × 2513 × 7 × 8167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
287331394
Product of the distinct prime numbers
The prime factorization of 287331394 is 2 × 2513 × 7 × 8167.
Since it has a total of 4 prime factors.
3 , 6 , 84 , 33 , 806 , 468 , 3782 , 7657 , 74344 , 84997 , 905592 , 555035 , 8536169 , 1922499 , 90996353 , 76943017 , 545786523 , 80500248 , 666634873 , 3523580298
n×2
574662788
n×3
861994182
n×4
1149325576
n×5
1436656970
n÷2
143665697
n÷3
95777131.333333
n÷3
71832848.5
n÷5
57466278.8
n2
82559329977983236
n3
2.372188737028E+25
n4
6.8160429664135E+33
n5
1.9584631271035E+42
2 √n
16950.852308955
3 √n
659.87401482623
4 √n
130.19543889459
5 √n
49.167328994884
1 , 2 , 7 , 14 , 2513 , 5026 , 8167 , 16334 , 17591 , 35182 , 57169 , 114338 , 20523671 , 41047342 , 143665697 , 287331394
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
-287331393
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 287331394 can be divided by 16 positive divisors.
The sum of these divisors (counting 287331394) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001001000000101010001000010
3
Ternary
202000122221120111
4
Quaternary
101020011101002
5
Quinary
1042024101034
6
Senary
44302301534
8
Octal
2110052102
10
Decimal
287331394
12
Duodecimal
802878aa
16
Hexadecimal
11205442
20
Vigesimal
49fg89e
36
Base36
4r2ibm
md5
bdb974e8a089ab340ba6539b3df4e276
sha1
33f6a693dc7c2c7da1ca50f3d75bb11cc26ce9f4
sha256
89c3f36b9f825cc9a158cb50989700e9bf8c7e63cdd3a21d51278588600512d7
sha512
cef83d67ecc1ac4e77bab901cc1f36f7b042137753429c3445dbe985d4e56ebc40453c191fde7db2ec4738874f1df31d17bf229a15fc58e3406f386b7dcee5af
ripemd-160
5898dd659b5e7623c21dab11e4ce619e2e9aa29a
Diameter
574662788
Circumference
1805356393.0722
Area
2.5936778454413E+17
Volume
9.9366009455674E+25
Surface area
1.0374711381765E+18
Circumference
1805356393.0722
Perimeter
1149325576
Area
82559329977983236
Diagonal
406347954.29037
Surface area
495355979867899416
Volume
2.372188737028E+25
Space diagonal
497672573.01759
Perimeter
861994182
Area
3.5749238540178E+16
Altitude
248836286.5088
Surface area
3.5749238540178E+16
Volume
2.7956512370114E+24
Height
135449318.09679