388636145 is an odd 9-digits composite number following 388636144
and preceding 388636146 . In scientific notation, it is written as 3.88636145 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 310908912 positive integers (up to 388636145) that are relatively prime to 388636145.
388636145 has 4 divisors, whose sum is 466363380
The reverse of 388636145 is 541636883
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
three hundred eighty-eight million six hundred thirty-six thousand one hundred forty-five
Scientific notation
3.88636145 × 10^8
Engineering notation
3.88636145 × 10^6
Prime Factorization
5 × 77727229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388636145
Product of the distinct prime numbers
The prime factorization of 388636145 is 5 × 77727229.
Since it has a total of 2 prime factors.
1 , 4 , 4 , 96 , 543 , 983 , 6996 , 8106 , 54864 , 94274 , 702805 , 601469 , 595340 , 7134303 , 4527416 , 98292617 , 367652056 , 327016174 , 1943005376 , 2380955019
n×2
777272290
n×3
1165908435
n×4
1554544580
n×5
1943180725
n÷2
194318072.5
n÷3
129545381.66667
n÷3
97159036.25
n÷5
77727229
n2
151038053200461025
n3
5.8698846744132E+25
n4
2.2812493514585E+34
n5
8.8657595373459E+42
2 √n
19713.856674938
3 √n
729.76169427927
4 √n
140.40604215965
5 √n
52.228630460889
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
-388636144
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 388636145 can be divided by 4 positive divisors.
The sum of these divisors (counting 388636145) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100001110111110001
3
Ternary
1000002021202120022
4
Quaternary
113022201313301
5
Quinary
1243442324040
6
Senary
102321453225
8
Octal
2712416761
10
Decimal
388636145
12
Duodecimal
aa1a1215
16
Hexadecimal
172a1df1
20
Vigesimal
618ja75
36
Base36
6fdtkh
md5
57e61820635a33ffcb3417cf5fd3cb31
sha1
be48b4b9e2b62c74bd7be260eeace8b7acf6a6dd
sha256
4f2878a9989e68e59f6a7141d16e5c45c8c4ef64a1d122bb2b75c368ae6d3eac
sha512
648b94be15abe1533240f9fb287adfab1b2c0559f68194579a543a2838c91acc9ead1af0e567c2b092a843a5ef46ec7e43db2d6621a825fc21ae2f5d06cc52c2
ripemd-160
4293b911f5054e167763fa70dac23715718a0e06
Diameter
777272290
Circumference
2441872916.1029
Area
4.7450003834707E+17
Volume
2.4587715427408E+26
Surface area
1.8980001533883E+18
Circumference
2441872916.1029
Perimeter
1554544580
Area
151038053200461025
Diagonal
549614507.0874
Surface area
906228319202766150
Volume
5.8698846744132E+25
Space diagonal
673137548.79771
Perimeter
1165908435
Area
6.5401395504872E+16
Altitude
336568774.39885
Surface area
6.5401395504872E+16
Volume
6.9177254301009E+24
Height
183204835.6958