387968644 is an even 9-digits composite number following 387968643
and preceding 387968645 . In scientific notation, it is written as 3.87968644 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 162734016 positive integers (up to 387968644) that are relatively prime to 387968644.
387968644 has 12 divisors, whose sum is 681011100
The reverse of 387968644 is 446869783
Previous prime number is 329
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-seven million nine hundred sixty-eight thousand six hundred forty-four
Scientific notation
3.87968644 × 10^8
Engineering notation
3.87968644 × 10^6
Prime Factorization
2 × 2 × 329 × 294809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
193984322
Product of the distinct prime numbers
The prime factorization of 387968644 is 2 × 2 × 329 × 294809.
Since it has a total of 4 prime factors.
8 , 1 , 32 , 67 , 591 , 61 , 8620 , 9161 , 51121 , 42338 , 250976 , 299315 , 1002502 , 929575 , 54531527 , 97458913 , 153880579 , 848430189 , 8964759215 , 4376713462
n×2
775937288
n×3
1163905932
n×4
1551874576
n×5
1939843220
n÷2
193984322
n÷3
129322881.33333
n÷3
96992161
n÷5
77593728.8
n2
150519668727198736
n3
5.839691177142E+25
n4
2.2656170673746E+34
n5
8.7898838145257E+42
2 √n
19696.919657652
3 √n
729.34365475365
4 √n
140.34571478193
5 √n
52.210677092664
1 , 2 , 4 , 329 , 658 , 1316 , 294809 , 589618 , 1179236 , 96992161 , 193984322 , 387968644
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
-387968643
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 387968644 can be divided by 12 positive divisors.
The sum of these divisors (counting 387968644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111000111111110111010000100
3
Ternary
1000001000211221001
4
Quaternary
113013332322010
5
Quinary
1243304444034
6
Senary
102255303044
8
Octal
2707767204
10
Decimal
387968644
12
Duodecimal
a9b1aa84
16
Hexadecimal
171fee84
20
Vigesimal
614g1c4
36
Base36
6eziis
md5
7e0a83d0eb70b0d301326e0357a238f7
sha1
6587a64ce83a6fa073c47ca641f1bbcbe3582a01
sha256
7e8300e2eb0b151a717b8b5cb40da5f72d5f16e39f3eb084406d914bd5c38490
sha512
d5ff9eb42b2de8e0d418f2dc06bdd84a2d08c51bc7bdd6ecaf671d35612ca379f5a677fcdd2dd8b0fbdd3df34011046eb24db1f5140494bd280fabdd6169ee33
ripemd-160
f4c411ad659125237da67a30e583da94b6b5c133
Diameter
775937288
Circumference
2437678883.6272
Area
4.7287148549414E+17
Volume
2.446124120179E+26
Surface area
1.8914859419765E+18
Circumference
2437678883.6272
Perimeter
1551874576
Area
150519668727198736
Diagonal
548670518.1203
Surface area
903118012363192416
Volume
5.839691177142E+25
Space diagonal
671981403.1516
Perimeter
1163905932
Area
6.5176928443486E+16
Altitude
335990701.5758
Surface area
6.5176928443486E+16
Volume
6.8821420523207E+24
Height
182890172.70677