387942769 is an odd 9-digits composite number following 387942768
and preceding 387942770 . In scientific notation, it is written as 3.87942769 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 387902196 positive integers (up to 387942769) that are relatively prime to 387942769.
387942769 has 4 divisors, whose sum is 387983344
The reverse of 387942769 is 967249783
Previous prime number is 15427
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-seven million nine hundred forty-two thousand seven hundred sixty-nine
Scientific notation
3.87942769 × 10^8
Engineering notation
3.87942769 × 10^6
Prime Factorization
15427 × 25147
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
387942769
Product of the distinct prime numbers
The prime factorization of 387942769 is 15427 × 25147.
Since it has a total of 2 prime factors.
2 , 6 , 45 , 12 , 652 , 635 , 8574 , 7131 , 73757 , 45397 , 121479 , 156318 , 1473067 , 6904740 , 65412932 , 49308488 , 130536132 , 515907146 , 8032083449 , 3340001216
n×2
775885538
n×3
1163828307
n×4
1551771076
n×5
1939713845
n÷2
193971384.5
n÷3
129314256.33333
n÷3
96985692.25
n÷5
77588553.8
n2
150499592019387361
n3
5.8385228461371E+25
n4
2.2650127198002E+34
n5
8.7869530633951E+42
2 √n
19696.262818108
3 √n
729.32744022453
4 √n
140.34337468548
5 √n
52.209980651169
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
-387942768
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 387942769 can be divided by 4 positive divisors.
The sum of these divisors (counting 387942769) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111000111111000100101110001
3
Ternary
1000000222112102201
4
Quaternary
113013320211301
5
Quinary
1243303132034
6
Senary
102254543201
8
Octal
2707704561
10
Decimal
387942769
12
Duodecimal
a9b07b01
16
Hexadecimal
171f8971
20
Vigesimal
614cgi9
36
Base36
6eyyk1
md5
2311bb3fdcbb5bc101ce8f06bc45544b
sha1
617724f723d5550ff2acd0cc13f90fda5d2a1e33
sha256
352a99838a449f5da0dfe5a4e4d0264b81a9e2244a24688189b5045c8e322911
sha512
e14d04b38c727426cb4ea0bd0c75b2c6c8d0899adbe8b092859839451caa59b5c1d6074038fb688a65531a2a650225938abea05b16160f948dcce505d845920a
ripemd-160
d9539e96be1626317dc4da7f392b4a42b9b8cc56
Diameter
775885538
Circumference
2437516306.2074
Area
4.7280841265637E+17
Volume
2.4456347308321E+26
Surface area
1.8912336506255E+18
Circumference
2437516306.2074
Perimeter
1551771076
Area
150499592019387361
Diagonal
548633925.34437
Surface area
902997552116324166
Volume
5.8385228461371E+25
Space diagonal
671936586.33696
Perimeter
1163828307
Area
6.5168234973992E+16
Altitude
335968293.16848
Surface area
6.5168234973992E+16
Volume
6.8807651610269E+24
Height
182877975.11479