387009905 is an odd 9-digits composite number following 387009904
and preceding 387009906 . In scientific notation, it is written as 3.87009905 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 305860032 positive integers (up to 387009905) that are relatively prime to 387009905.
387009905 has 16 divisors, whose sum is 470059200
The reverse of 387009905 is 509900783
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
three hundred eighty-seven million nine thousand nine hundred five
Scientific notation
3.87009905 × 10^8
Engineering notation
3.87009905 × 10^6
Prime Factorization
5 × 467 × 107 × 1549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
387009905
Product of the distinct prime numbers
The prime factorization of 387009905 is 5 × 467 × 107 × 1549.
Since it has a total of 4 prime factors.
6 , 1 , 60 , 54 , 663 , 54 , 6499 , 3757 , 75533 , 16431 , 162290 , 329193 , 8492016 , 1127057 , 93018474 , 60069446 , 557131006 , 695125506 , 2084185910 , 4558001088
n×2
774019810
n×3
1161029715
n×4
1548039620
n×5
1935049525
n÷2
193504952.5
n÷3
129003301.66667
n÷3
96752476.25
n÷5
77401981
n2
149776666568109025
n3
5.7965053499741E+25
n4
2.2433049848255E+34
n5
8.6818124906332E+42
2 √n
19672.567321018
3 √n
728.74238022684
4 √n
140.25892955894
5 √n
52.184847188158
1 , 5 , 107 , 467 , 535 , 1549 , 2335 , 7745 , 49969 , 165743 , 249845 , 723383 , 828715 , 3616915 , 77401981 , 387009905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-387009904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 387009905 can be divided by 16 positive divisors.
The sum of these divisors (counting 387009905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111000100010100110101110001
3
Ternary
222222020010210012
4
Quaternary
113010110311301
5
Quinary
1243033304110
6
Senary
102222544305
8
Octal
2704246561
10
Decimal
387009905
12
Duodecimal
a9738095
16
Hexadecimal
17114d71
20
Vigesimal
60ig4f5
36
Base36
6eeyr5
md5
4ec8391b2dae2a0f7e593c2eee7f8ffc
sha1
a6ffbfa2978aba5c83989795e7c58f719becc03a
sha256
23fd4008238983f2f552622112cf5db431cee946e78b191a3d63e8e30f545a68
sha512
9418502baf148107f5a351873d3265c37708ac03e61b400e3a1358141de17c03234af518bfe9df1db0b7dadc8e5d8860b324650006fc4ec59b1ad9c96aa3ffc4
ripemd-160
e8901c6d162f89c1cfa251375b72c57d78df04ab
Diameter
774019810
Circumference
2431654948.829
Area
4.7053727536954E+17
Volume
2.4280344831963E+26
Surface area
1.8821491014782E+18
Circumference
2431654948.829
Perimeter
1548039620
Area
149776666568109025
Diagonal
547314656.42372
Surface area
898659999408654150
Volume
5.7965053499741E+25
Space diagonal
670320818.4924
Perimeter
1161029715
Area
6.4855199071067E+16
Altitude
335160409.2462
Surface area
6.4855199071067E+16
Volume
6.8312470669179E+24
Height
182438218.80791