287996840 is an even 9-digits composite number following 287996839
and preceding 287996841 . In scientific notation, it is written as 2.87996840 × 10^8.
The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors.
There are 115198720 positive integers (up to 287996840) that are relatively prime to 287996840.
287996840 has 16 divisors, whose sum is 647992980
The reverse of 287996840 is 048699782
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
two hundred eighty-seven million nine hundred ninety-six thousand eight hundred forty
Scientific notation
2.87996840 × 10^8
Engineering notation
2.87996840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 7199921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71999210
Product of the distinct prime numbers
The prime factorization of 287996840 is 2 × 2 × 2 × 5 × 7199921.
Since it has a total of 5 prime factors.
5 , 6 , 3 , 57 , 931 , 916 , 8027 , 5379 , 90847 , 39815 , 799875 , 363313 , 2766752 , 4574952 , 79605495 , 34920552 , 153385627 , 391926266 , 5574135518 , 6730410525
n×2
575993680
n×3
863990520
n×4
1151987360
n×5
1439984200
n÷2
143998420
n÷3
95998946.666667
n÷3
71999210
n÷5
57599368
n2
82942179849985600
n3
2.3887085699508E+25
n4
6.8794051982674E+33
n5
1.9812469581806E+42
2 √n
16970.469645829
3 √n
660.38303447146
4 √n
130.27075514416
5 √n
49.190081771375
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 7199921 , 14399842 , 28799684 , 35999605 , 57599368 , 71999210 , 143998420 , 287996840
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
-287996839
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 287996840 can be divided by 16 positive divisors.
The sum of these divisors (counting 287996840) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001001010100111101110101000
3
Ternary
202001220202101122
4
Quaternary
101022213232220
5
Quinary
1042211344330
6
Senary
44324434412
8
Octal
2112475650
10
Decimal
287996840
12
Duodecimal
80548a08
16
Hexadecimal
112a7ba8
20
Vigesimal
49jjc20
36
Base36
4rgrs8
md5
c6847a12570fcfd95a200f6399f06551
sha1
6d37137b06f635556cea38cd42d574a176340290
sha256
1b6a556e200bbf8b28791649f3da8277ca451eb95771f4df60aef02e04486376
sha512
f8436a47fcd86cc978b95f7504e76ee02dbcddf3157c7a4fca8f8b8964d046bc9e11f928f2fc30e8676aa24646e236f220e2815295cedfa1fd9d9daf19507aa6
ripemd-160
d7981c3ae61985c8dd55d26179def84826bb914c
Diameter
575993680
Circumference
1809537513.6022
Area
2.6057054288944E+17
Volume
1.0005799059899E+26
Surface area
1.0422821715578E+18
Circumference
1809537513.6022
Perimeter
1151987360
Area
82942179849985600
Diagonal
407289037.04859
Surface area
497653079099913600
Volume
2.3887085699508E+25
Space diagonal
498825159.29928
Perimeter
863990520
Area
3.5915017397673E+16
Altitude
249412579.64964
Surface area
3.5915017397673E+16
Volume
2.8151200468177E+24
Height
135763012.34953