387408889 is an odd 9-digits composite number following 387408888
and preceding 387408890 . In scientific notation, it is written as 3.87408889 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 332064756 positive integers (up to 387408889) that are relatively prime to 387408889.
387408889 has 4 divisors, whose sum is 442753024
The reverse of 387408889 is 988804783
Previous prime number is 7
Is Prime? no Number parity odd Number length 9 Sum of Digits 55 Digital Root 1
Name
three hundred eighty-seven million four hundred eight thousand eight hundred eighty-nine
Scientific notation
3.87408889 × 10^8
Engineering notation
3.87408889 × 10^6
Prime Factorization
7 × 55344127
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
387408889 Product of the distinct prime numbers
The prime factorization of 387408889 is 7 × 55344127.
Since it has a total of 2 prime factors.
1 , 8 , 81 , 42 , 453 , 734 , 278 , 6123 , 97572 , 61375 , 916654 , 572202 , 637153 , 2073648 , 18930924 , 4950978 , 541155017 , 506521174 , 246282359 , 1329243058
n×2
774817778
n×3
1162226667
n×4
1549635556
n×5
1937044445
n÷2
193704444.5
n÷3
129136296.33333
n÷3
96852222.25
n÷5
77481777.8
n2
150085647276214321
n3
5.8144513866124E+25
n4
2.252570151832E+34
n5
8.726656999158E+42
2 √n19682.705327266
3 √n728.99272411188
4 √n140.29506522778
5 √n52.195602643283
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
-387408888 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 387408889 can be divided by 4 positive divisors.
The sum of these divisors (counting 387408889) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111000101110110001111111001
3
Ternary
222222222102002101
4
Quaternary
113011312033321
5
Quinary
1243134041024
6
Senary
102235303401
8
Octal
2705661771
10
Decimal
387408889
12
Duodecimal
a98aab61
16
Hexadecimal
171763f9
20
Vigesimal
6116249
36
Base36
6enim1
md5
8caa4538e35c635b5a5a9a5cb8a6536d
sha1
0189e16597530c8e098407a513cd02eb773d8c05
sha256
e6896ba3800c5607e9d877146400ffe67432793a7223368a185384b8cdd1f1a7
sha512
3667b82feca09b353eb6bf9e8e9bc1ad6dc85fe088548b7c0a2ca11fdbc9177836823f0ceba190b5b17aec55b81fe36ce32a342d74c92a99f7d4d5a2ad2a6bb3
ripemd-160
5b5e75232ef26a0cfe09b3f88f5523c0ed8b8247
Diameter
774817778
Circumference
2434161839.2356
Area
4.7150796689222E+17
Volume
2.4355517014449E+26
Surface area
1.8860318675689E+18
Circumference
2434161839.2356
Perimeter
1549635556
Area
150085647276214321
Diagonal
547878905.00769
Surface area
900513883657285926
Volume
5.8144513866124E+25
Space diagonal
671011879.05181
Perimeter
1162226667
Area
6.4988991642316E+16
Altitude
335505939.52591
Surface area
6.4988991642316E+16
Volume
6.8523966739219E+24
Height
182626301.66923