387841 is an odd 6-digits composite number following 387840
and preceding 387842 . In scientific notation, it is written as 3.87841 × 10^5.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 375300 positive integers (up to 387841) that are relatively prime to 387841.
387841 has 4 divisors, whose sum is 400384
The reverse of 387841 is 148783
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 31
Digital Root 4
Name
three hundred eighty-seven thousand eight hundred forty-one
Scientific notation
3.87841 × 10^5
Engineering notation
3.87841 × 10^3
Prime Factorization
31 × 12511
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
387841
Product of the distinct prime numbers
The prime factorization of 387841 is 31 × 12511.
Since it has a total of 2 prime factors.
7 , 3 , 46 , 37 , 298 , 871 , 1513 , 7395 , 20413 , 11560 , 447995 , 109913 , 984766 , 410157 , 4904229 , 20458345 , 563380355 , 488042699 , 7502784132 , 7589368896
n×2
775682
n×3
1163523
n×4
1551364
n×5
1939205
n÷2
193920.5
n÷3
129280.33333333
n÷3
96960.25
n÷5
77568.2
n2
150420641281
n3
58339291935064321
n4
2.2626369323387E+22
n5
8.7754337047518E+27
2 √n
622.76881745958
3 √n
72.926365984124
4 √n
24.955336452542
5 √n
13.113866058472
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-387840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 387841 can be divided by 4 positive divisors.
The sum of these divisors (counting 387841) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011110101100000001
3
Ternary
201201000111
4
Quaternary
1132230001
5
Quinary
44402331
6
Senary
12151321
8
Octal
1365401
10
Decimal
387841
12
Duodecimal
168541
16
Hexadecimal
5eb01
20
Vigesimal
289c1
36
Base36
8b9d
md5
dbc16f07056b1e1a10be5d25a94c5e89
sha1
33b18c98a4c3d00251c8c8049e1a76240722e180
sha256
68c9ce09b6537b3ebedef79ae1b6732d53aa8cfee13348d8979604a664408261
sha512
4779aaa23bcc7253f6af2f9546ca5968ae914e82fcb9b5184e8139f92142e8f7c9d37fec460c407aaddd177cccce256914c1a965743aa8ba346f97eebb0da149
ripemd-160
74d44da7dd799a9e2b4303bc869dd9267b4fedce
Diameter
775682
Circumference
2436876.8727218
Area
472560381596.66
Volume
2.4437105461177E+17
Surface area
1890241526386.6
Circumference
2436876.8727218
Perimeter
1551364
Area
150420641281
Diagonal
548490.00224434
Surface area
902523847686
Volume
58339291935064321
Space diagonal
671760.31725832
Perimeter
1163523
Area
65134048301.446
Altitude
335880.15862916
Surface area
65134048301.446
Volume
6.8753514894843E+15
Height
182830.00074811