387841285 is an odd 9-digits composite number following 387841284
and preceding 387841286 . In scientific notation, it is written as 3.87841285 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 286171200 positive integers (up to 387841285) that are relatively prime to 387841285.
387841285 has 16 divisors, whose sum is 501621120
The reverse of 387841285 is 582148783
Previous prime number is 2339
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
three hundred eighty-seven million eight hundred forty-one thousand two hundred eighty-five
Scientific notation
3.87841285 × 10^8
Engineering notation
3.87841285 × 10^6
Prime Factorization
5 × 13 × 2339 × 2551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
387841285
Product of the distinct prime numbers
The prime factorization of 387841285 is 5 × 13 × 2339 × 2551.
Since it has a total of 4 prime factors.
10 , 8 , 81 , 41 , 896 , 403 , 4319 , 4982 , 3812 , 6277 , 958765 , 934961 , 471519 , 7135715 , 24590192 , 6348106 , 690820490 , 654680072 , 6626072626 , 6057297241
n×2
775682570
n×3
1163523855
n×4
1551365140
n×5
1939206425
n÷2
193920642.5
n÷3
129280428.33333
n÷3
96960321.25
n÷5
77568257
n2
150420862350451225
n3
5.8339420544807E+25
n4
2.2626435830253E+34
n5
8.7754659473755E+42
2 √n
19693.686424842
3 √n
729.26383847122
4 √n
140.33419549362
5 √n
52.207248788323
1 , 5 , 13 , 65 , 2339 , 2551 , 11695 , 12755 , 30407 , 33163 , 152035 , 165815 , 5966789 , 29833945 , 77568257 , 387841285
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
-387841284
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 387841285 can be divided by 16 positive divisors.
The sum of these divisors (counting 387841285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111000111011111110100000101
3
Ternary
1000000210101020001
4
Quaternary
113013133310011
5
Quinary
1243241410120
6
Senary
102252441301
8
Octal
2707376405
10
Decimal
387841285
12
Duodecimal
a9a79231
16
Hexadecimal
171dfd05
20
Vigesimal
6140345
36
Base36
6ews91
md5
8a4c159ba614b3c4ba2fb979f42a2abe
sha1
eca2e983cd0719344b8932e38f097ace7069bbc2
sha256
b92890f0f0492eac774151435c3c65c57c2e6be2f6489b72540ccbd65b019777
sha512
c7779915ad4a6548711637cdfc62b3cf104fc3d145e9c463ccb73218f3c8fcb6872f3d4cbe9b49241258097739b8a89b4d5b1101116f03f4c16388653b6ac39c
ripemd-160
df977dce1357a5da498a65c06c9760c84c2168a5
Diameter
775682570
Circumference
2436878663.4297
Area
4.7256107610682E+17
Volume
2.44371593331E+26
Surface area
1.8902443044273E+18
Circumference
2436878663.4297
Perimeter
1551365140
Area
150420862350451225
Diagonal
548490405.29521
Surface area
902525174102707350
Volume
5.8339420544807E+25
Space diagonal
671760810.8928
Perimeter
1163523855
Area
6.5134144027326E+16
Altitude
335880405.4464
Surface area
6.5134144027326E+16
Volume
6.8753666462878E+24
Height
182830135.0984