387639873 is an odd 9-digits composite number following 387639872
and preceding 387639874 . In scientific notation, it is written as 3.87639873 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 256453080 positive integers (up to 387639873) that are relatively prime to 387639873.
387639873 has 12 divisors, whose sum is 564200208
The reverse of 387639873 is 378936783
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
three hundred eighty-seven million six hundred thirty-nine thousand eight hundred seventy-three
Scientific notation
3.87639873 × 10^8
Engineering notation
3.87639873 × 10^6
Prime Factorization
3 × 3 × 131 × 328787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129213291
Product of the distinct prime numbers
The prime factorization of 387639873 is 3 × 3 × 131 × 328787.
Since it has a total of 4 prime factors.
7 , 1 , 33 , 57 , 409 , 859 , 8114 , 4835 , 74226 , 16704 , 160840 , 875346 , 3292973 , 2679674 , 21943007 , 68674595 , 583150532 , 283234157 , 3237868872 , 5076029134
n×2
775279746
n×3
1162919619
n×4
1550559492
n×5
1938199365
n÷2
193819936.5
n÷3
129213291
n÷3
96909968.25
n÷5
77527974.6
n2
150264671139456129
n3
5.8248578036886E+25
n4
2.2579471392649E+34
n5
8.7527034230536E+42
2 √n
19688.572142235
3 √n
729.13757726818
4 √n
140.31597251288
5 √n
52.201825254647
1 , 3 , 9 , 131 , 393 , 1179 , 328787 , 986361 , 2959083 , 43071097 , 129213291 , 387639873
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-387639872
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 387639873 can be divided by 12 positive divisors.
The sum of these divisors (counting 387639873) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111000110101110101001000001
3
Ternary
1000000102010221100
4
Quaternary
113012232221001
5
Quinary
1243213433443
6
Senary
102244245013
8
Octal
2706565101
10
Decimal
387639873
12
Duodecimal
a99a0769
16
Hexadecimal
171aea41
20
Vigesimal
612ejdd
36
Base36
6esgu9
md5
b776dbf46d3c4c4bce2fb3afe65a205a
sha1
0e9cdb09fde355e0a86c2a56a77edad90f346059
sha256
7617a7ff8e657863df4c4a8b20775d33f4431fe6347b88ceeede307d3b85726f
sha512
852a8ffe1a6fb7fc7ffad3f67a509c64471d3a3a5f73bd8dccb1f7f8ec841ed2b5a90343a1d8eea46337d066c0f83e1d8f0aa556673c99da4b9128416eea8c1b
ripemd-160
83f28b960a5d056abdd659dc5bb32d34dc1fdbd8
Diameter
775279746
Circumference
2435613154.5106
Area
4.720703869458E+17
Volume
2.4399107312364E+26
Surface area
1.8882815477832E+18
Circumference
2435613154.5106
Perimeter
1550559492
Area
150264671139456129
Diagonal
548205565.71318
Surface area
901588026836736774
Volume
5.8248578036886E+25
Space diagonal
671411955.07555
Perimeter
1162919619
Area
6.5066511249042E+16
Altitude
335705977.53777
Surface area
6.5066511249042E+16
Volume
6.8646607540593E+24
Height
182735188.57106