388670945 is an odd 9-digits composite number following 388670944
and preceding 388670946 . In scientific notation, it is written as 3.88670945 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 286636224 positive integers (up to 388670945) that are relatively prime to 388670945.
388670945 has 16 divisors, whose sum is 502951680
The reverse of 388670945 is 549076883
Previous prime number is 839
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-eight million six hundred seventy thousand nine hundred forty-five
Scientific notation
3.88670945 × 10^8
Engineering notation
3.88670945 × 10^6
Prime Factorization
5 × 13 × 839 × 7127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388670945
Product of the distinct prime numbers
The prime factorization of 388670945 is 5 × 13 × 839 × 7127.
Since it has a total of 4 prime factors.
3 , 7 , 25 , 50 , 98 , 44 , 9450 , 13 , 88287 , 62405 , 219156 , 978334 , 2968345 , 4075647 , 31937788 , 19202107 , 90866655 , 718464338 , 8948775715 , 3885493382
n×2
777341890
n×3
1166012835
n×4
1554683780
n×5
1943354725
n÷2
194335472.5
n÷3
129556981.66667
n÷3
97167736.25
n÷5
77734189
n2
151065103487193025
n3
5.871461652889E+25
n4
2.2820665491596E+34
n5
8.8697296221476E+42
2 √n
19714.739283085
3 √n
729.78347553432
4 √n
140.40918518062
5 √n
52.229565778546
1 , 5 , 13 , 65 , 839 , 4195 , 7127 , 10907 , 35635 , 54535 , 92651 , 463255 , 5979553 , 29897765 , 77734189 , 388670945
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
-388670944
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 388670945 can be divided by 16 positive divisors.
The sum of these divisors (counting 388670945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010101010010111100001
3
Ternary
1000002100112022012
4
Quaternary
113022222113201
5
Quinary
1243444432240
6
Senary
102322322305
8
Octal
2712522741
10
Decimal
388670945
12
Duodecimal
aa1b9395
16
Hexadecimal
172aa5e1
20
Vigesimal
6193h75
36
Base36
6fekf5
md5
d6f003250d7d9ceed6a40146b70295ba
sha1
a3e1619c8c2f23e3c4bdae99151dfb8b8978674d
sha256
5abab5895d939cf01f26d137ca1f1a7ef2d8574197fc18290d8b1b4a792b796e
sha512
2eda8546f576dc8df343e78dc5ad3e1e30aa5900690cfec2616bb76a52abf5adb87efb076c1c0a42838e6031241c3e9455a35c505615621d9cd5485894bf2175
ripemd-160
f627e19fc2d8d138bbd0c38a63ab97d87d7a963b
Diameter
777341890
Circumference
2442091570.9516
Area
4.7458501932915E+17
Volume
2.45943210594E+26
Surface area
1.8983400773166E+18
Circumference
2442091570.9516
Perimeter
1554683780
Area
151065103487193025
Diagonal
549663721.71937
Surface area
906390620923158150
Volume
5.871461652889E+25
Space diagonal
673197824.16581
Perimeter
1166012835
Area
6.5413108622617E+16
Altitude
336598912.0829
Surface area
6.5413108622617E+16
Volume
6.9195839170577E+24
Height
183221240.57312