287996838 is an even 9-digits composite number following 287996837
and preceding 287996839 . In scientific notation, it is written as 2.87996838 × 10^8.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 95770080 positive integers (up to 287996838) that are relatively prime to 287996838.
287996838 has 16 divisors, whose sum is 577366896
The reverse of 287996838 is 838699782
Previous prime number is 421
Is Prime? no
Number parity even
Number length 9
Sum of Digits 60
Digital Root 6
Name
two hundred eighty-seven million nine hundred ninety-six thousand eight hundred thirty-eight
Scientific notation
2.87996838 × 10^8
Engineering notation
2.87996838 × 10^6
Prime Factorization
2 × 3 × 421 × 114013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
287996838
Product of the distinct prime numbers
The prime factorization of 287996838 is 2 × 3 × 421 × 114013.
Since it has a total of 4 prime factors.
6 , 7 , 99 , 5 , 19 , 77 , 4113 , 3623 , 66143 , 1293 , 537285 , 225400 , 2162274 , 1949615 , 5541859 , 65886351 , 627142113 , 968358539 , 8158811045 , 8455734644
n×2
575993676
n×3
863990514
n×4
1151987352
n×5
1439984190
n÷2
143998419
n÷3
95998946
n÷3
71999209.5
n÷5
57599367.6
n2
82942178697998244
n3
2.3887085201854E+25
n4
6.8794050071707E+33
n5
1.9812468893865E+42
2 √n
16970.469586903
3 √n
660.38303294277
4 √n
130.27075491799
5 √n
49.190081703055
1 , 2 , 3 , 6 , 421 , 842 , 1263 , 2526 , 114013 , 228026 , 342039 , 684078 , 47999473 , 95998946 , 143998419 , 287996838
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
-287996837
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 287996838 can be divided by 16 positive divisors.
The sum of these divisors (counting 287996838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001001010100111101110100110
3
Ternary
202001220202101120
4
Quaternary
101022213232212
5
Quinary
1042211344323
6
Senary
44324434410
8
Octal
2112475646
10
Decimal
287996838
12
Duodecimal
80548a06
16
Hexadecimal
112a7ba6
20
Vigesimal
49jjc1i
36
Base36
4rgrs6
md5
1252283b228baec672d42d9eadc4e8ef
sha1
c32a8564c386ee1ee942410b6352092dbdd2053e
sha256
4e9f1dae3e6b18bf3f9cd7d77550530885cb392365043a70900f7b441977a74a
sha512
cf1f653c7b5ac60d120b6c3d8149083177616bef3eae60e48b49b4f2808ae44046c02b08e25d2c532e66d8955cc29ad556b7a63852165ab09fd30320a43a2fe0
ripemd-160
1c854a824f27320161d85af5dcefc30f9a0f4f7f
Diameter
575993676
Circumference
1809537501.0358
Area
2.6057053927036E+17
Volume
1.0005798851443E+26
Surface area
1.0422821570815E+18
Circumference
1809537501.0358
Perimeter
1151987352
Area
82942178697998244
Diagonal
407289034.22017
Surface area
497653072187989464
Volume
2.3887085201854E+25
Space diagonal
498825155.83518
Perimeter
863990514
Area
3.5915016898847E+16
Altitude
249412577.91759
Surface area
3.5915016898847E+16
Volume
2.8151199881687E+24
Height
135763011.40672