287996842 is an even 9-digits composite number following 287996841
and preceding 287996843 . In scientific notation, it is written as 2.87996842 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 123156720 positive integers (up to 287996842) that are relatively prime to 287996842.
287996842 has 16 divisors, whose sum is 494790912
The reverse of 287996842 is 248699782
Previous prime number is 461
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
two hundred eighty-seven million nine hundred ninety-six thousand eight hundred forty-two
Scientific notation
2.87996842 × 10^8
Engineering notation
2.87996842 × 10^6
Prime Factorization
2 × 7 × 461 × 44623
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
287996842
Product of the distinct prime numbers
The prime factorization of 287996842 is 2 × 7 × 461 × 44623.
Since it has a total of 4 prime factors.
10 , 2 , 23 , 70 , 704 , 476 , 4992 , 7496 , 68141 , 98900 , 287503 , 913606 , 4290601 , 3074647 , 34469536 , 74758865 , 376920621 , 886107899 , 2078968307 , 2068824055
n×2
575993684
n×3
863990526
n×4
1151987368
n×5
1439984210
n÷2
143998421
n÷3
95998947.333333
n÷3
71999210.5
n÷5
57599368.4
n2
82942181001972964
n3
2.3887086197161E+25
n4
6.879405389364E+33
n5
1.9812470269746E+42
2 √n
16970.469704755
3 √n
660.38303600014
4 √n
130.27075537032
5 √n
49.190081839695
1 , 2 , 7 , 14 , 461 , 922 , 3227 , 6454 , 44623 , 89246 , 312361 , 624722 , 20571203 , 41142406 , 143998421 , 287996842
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
-287996841
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 287996842 can be divided by 16 positive divisors.
The sum of these divisors (counting 287996842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001001010100111101110101010
3
Ternary
202001220202101201
4
Quaternary
101022213232222
5
Quinary
1042211344332
6
Senary
44324434414
8
Octal
2112475652
10
Decimal
287996842
12
Duodecimal
80548a0a
16
Hexadecimal
112a7baa
20
Vigesimal
49jjc22
36
Base36
4rgrsa
md5
b4de24ae39a0ab333a2e1ea8b7a9d6b6
sha1
7cf50f272fec49b391ade86699ef6a6ffab36ba3
sha256
aaddda1b1777b60e48de2bd477e38be61c763bace91d8a3d13b28a3463068105
sha512
8fef71426074be98d8ac3ffc544f92db6ed5a37a32448c56a8c57106eed166d3063a33ef040ffd291e6cb0b62b2965798e5fba2d240f96fcbf9c6ccecd2c4460
ripemd-160
e98bcc13db000a84270eb664f45e7ecc0d7ec6f6
Diameter
575993684
Circumference
1809537526.1685
Area
2.6057054650851E+17
Volume
1.0005799268355E+26
Surface area
1.0422821860341E+18
Circumference
1809537526.1685
Perimeter
1151987368
Area
82942181001972964
Diagonal
407289039.87702
Surface area
497653086011837784
Volume
2.3887086197161E+25
Space diagonal
498825162.76339
Perimeter
863990526
Area
3.5915017896498E+16
Altitude
249412581.38169
Surface area
3.5915017896498E+16
Volume
2.8151201054666E+24
Height
135763013.29234