381489765 is an odd 9-digits composite number following 381489764
and preceding 381489766 . In scientific notation, it is written as 3.81489765 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 198729216 positive integers (up to 381489765) that are relatively prime to 381489765.
381489765 has 16 divisors, whose sum is 624579648
The reverse of 381489765 is 567984183
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eighty-one million four hundred eighty-nine thousand seven hundred sixty-five
Scientific notation
3.81489765 × 10^8
Engineering notation
3.81489765 × 10^6
Prime Factorization
3 × 5 × 43 × 591457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
381489765
Product of the distinct prime numbers
The prime factorization of 381489765 is 3 × 5 × 43 × 591457.
Since it has a total of 4 prime factors.
6 , 1 , 85 , 71 , 646 , 775 , 6172 , 2548 , 29876 , 45625 , 809574 , 269631 , 7689434 , 4793021 , 63821633 , 96433525 , 953281221 , 415086299 , 3388383898 , 4397666670
n×2
762979530
n×3
1144469295
n×4
1525959060
n×5
1907448825
n÷2
190744882.5
n÷3
127163255
n÷3
95372441.25
n÷5
76297953
n2
145534440799755225
n3
5.5519899620105E+25
n4
2.1180273458897E+34
n5
8.0800575444705E+42
2 √n
19531.762977263
3 √n
725.26095402061
4 √n
139.75608386494
5 √n
52.035122121818
1 , 3 , 5 , 15 , 43 , 129 , 215 , 645 , 591457 , 1774371 , 2957285 , 8871855 , 25432651 , 76297953 , 127163255 , 381489765
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
-381489764
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 381489765 can be divided by 16 positive divisors.
The sum of these divisors (counting 381489765) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10110101111010001001001100101
3
Ternary
222120211200120120
4
Quaternary
112233101021211
5
Quinary
1240130133030
6
Senary
101504352153
8
Octal
2657211145
10
Decimal
381489765
12
Duodecimal
a7915659
16
Hexadecimal
16bd1265
20
Vigesimal
5j46485
36
Base36
6b4ndx
md5
4b5caba15c8091182ee0996feb7b82c0
sha1
7d8ab03f43d390491ded4083b68e571a25adf712
sha256
95e793209dfd776470f2c830ee5f90000eea2c7cc15cc44364fb18e69913dc38
sha512
c2d5ce65d7f515a3ebd2cbea3920ba4a46d12844b9db3c878a4ec9c8c35bfaf21c5f2252982c6bd9f09f7712d7decfe0c44faa3709c8adf4f3b4ce754ed9150d
ripemd-160
2ccd5b39611a4c94bc9fe11ad4f2c4b6dd4c04ad
Diameter
762979530
Circumference
2396970886.2874
Area
4.5720993006081E+17
Volume
2.3256121169942E+26
Surface area
1.8288397202432E+18
Circumference
2396970886.2874
Perimeter
1525959060
Area
145534440799755225
Diagonal
539507999.56952
Surface area
873206644798531350
Volume
5.5519899620105E+25
Space diagonal
660759655.54751
Perimeter
1144469295
Area
6.3018261429075E+16
Altitude
330379827.77376
Surface area
6.3018261429075E+16
Volume
6.5430829186954E+24
Height
179835999.85651