387639142 is an even 9-digits composite number following 387639141
and preceding 387639143 . In scientific notation, it is written as 3.87639142 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 176199600 positive integers (up to 387639142) that are relatively prime to 387639142.
387639142 has 8 divisors, whose sum is 634318632
The reverse of 387639142 is 241936783
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
three hundred eighty-seven million six hundred thirty-nine thousand one hundred forty-two
Scientific notation
3.87639142 × 10^8
Engineering notation
3.87639142 × 10^6
Prime Factorization
2 × 11 × 17619961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
387639142
Product of the distinct prime numbers
The prime factorization of 387639142 is 2 × 11 × 17619961.
Since it has a total of 3 prime factors.
2 , 9 , 66 , 46 , 461 , 670 , 6300 , 466 , 62322 , 2505 , 592267 , 939317 , 2107094 , 8579222 , 49208206 , 79522135 , 855414199 , 366654674 , 5622861759 , 9223147122
n×2
775278284
n×3
1162917426
n×4
1550556568
n×5
1938195710
n÷2
193819571
n÷3
129213047.33333
n÷3
96909785.5
n÷5
77527828.4
n2
150264104410496164
n3
5.8248248507083E+25
n4
2.2579301074288E+34
n5
8.7526208953969E+42
2 √n
19688.553578158
3 √n
729.13711893908
4 √n
140.31590636189
5 √n
52.201805566496
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-387639141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 387639142 can be divided by 8 positive divisors.
The sum of these divisors (counting 387639142) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111000110101110011101100110
3
Ternary
1000000102002221021
4
Quaternary
113012232131212
5
Quinary
1243213423032
6
Senary
102244241354
8
Octal
2706563546
10
Decimal
387639142
12
Duodecimal
a99a025a
16
Hexadecimal
171ae766
20
Vigesimal
612ehh2
36
Base36
6esg9y
md5
d1a1215b8c8fe53952ae990ac9569883
sha1
bea40c0b51c50d3244de7c983261e9b202fd0d78
sha256
84b512477a09c454e13e464b19605afa6e16973a237b3266bc21ecfebbb0bb96
sha512
096950b9354884427b6dcb02ff0f602e7ebb9c147d48afbe1d34a5df61d218761bfb8fe731d0b4c3e48beb7b19b170967c626a3dc7ad6124ccdd672e5db14b0a
ripemd-160
8584e4c93ddbe8409933f33607833a7c91503817
Diameter
775278284
Circumference
2435608561.5021
Area
4.7206860651426E+17
Volume
2.4398969279243E+26
Surface area
1.8882744260571E+18
Circumference
2435608561.5021
Perimeter
1550556568
Area
150264104410496164
Diagonal
548204531.92307
Surface area
901584626462976984
Volume
5.8248248507083E+25
Space diagonal
671410688.94641
Perimeter
1162917426
Area
6.5066265848203E+16
Altitude
335705344.4732
Surface area
6.5066265848203E+16
Volume
6.8646219185996E+24
Height
182734843.97436