287890368 is an even 9-digits composite number following 287890367
and preceding 287890369 . In scientific notation, it is written as 2.87890368 × 10^8.
The sum of its digits is 51. It has a total of 8 prime factors and 28 positive divisors.
There are 95963392 positive integers (up to 287890368) that are relatively prime to 287890368.
287890368 has 28 divisors, whose sum is 761710440
The reverse of 287890368 is 863098782
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred eighty-seven million eight hundred ninety thousand three hundred sixty-eight
Scientific notation
2.87890368 × 10^8
Engineering notation
2.87890368 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3 × 1499429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
8996574
Product of the distinct prime numbers
The prime factorization of 287890368 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 1499429.
Since it has a total of 8 prime factors.
6 , 2 , 14 , 65 , 932 , 918 , 35 , 6343 , 94302 , 82955 , 475022 , 692589 , 5390962 , 755594 , 50515918 , 5317679 , 544604566 , 745141731 , 5074160987 , 645791765
n×2
575780736
n×3
863671104
n×4
1151561472
n×5
1439451840
n÷2
143945184
n÷3
95963456
n÷3
71972592
n÷5
57578073.6
n2
82880863987175424
n3
2.3860602433426E+25
n4
6.8692376152607E+33
n5
1.9775873449368E+42
2 √n
16967.332377248
3 √n
660.30164356799
4 √n
130.25871324886
5 √n
49.186444133506
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 64 , 96 , 192 , 1499429 , 2998858 , 4498287 , 5997716 , 8996574 , 11995432 , 17993148 , 23990864 , 35986296 , 47981728 , 71972592 , 95963456 , 143945184 , 287890368
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-287890367
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 287890368 can be divided by 28 positive divisors.
The sum of these divisors (counting 287890368) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
10001001010001101101111000000
3
Ternary
202001201100100020
4
Quaternary
101022031233000
5
Quinary
1042144442433
6
Senary
44322253440
8
Octal
2112155700
10
Decimal
287890368
12
Duodecimal
804b7280
16
Hexadecimal
1128dbc0
20
Vigesimal
49j65i8
36
Base36
4rehmo
md5
f180fe16a48678843e0632ab9108ad1e
sha1
3e4d722cca81d8b5a27c206ce854e99039d34ddf
sha256
5815292b945a202727edb0925e770bd87313bad28f15e9fb80fc3658cf438e38
sha512
a54e4c3e16305774ce8a2af351f54f4e79f470e836b99741c90f926d38ed7ff68b6636d025f8b1636853b42211f8d730df542876e512b9f558460505dc9fdd10
ripemd-160
38c430a0bbdd4fc5aca5a04931f996ab64deb5e3
Diameter
575780736
Circumference
1808868530.2961
Area
2.6037791342529E+17
Volume
9.9947057753437E+25
Surface area
1.0415116537011E+18
Circumference
1808868530.2961
Perimeter
1151561472
Area
82880863987175424
Diagonal
407138462.90218
Surface area
497285183923052544
Volume
2.3860602433426E+25
Space diagonal
498640744.3857
Perimeter
863671104
Area
3.5888466850248E+16
Altitude
249320372.19285
Surface area
3.5888466850248E+16
Volume
2.8119989639786E+24
Height
135712820.96739