388640469 is an odd 9-digits composite number following 388640468
and preceding 388640470 . In scientific notation, it is written as 3.88640469 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 220663872 positive integers (up to 388640469) that are relatively prime to 388640469.
388640469 has 16 divisors, whose sum is 595991168
The reverse of 388640469 is 964046883
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-eight million six hundred forty thousand four hundred sixty-nine
Scientific notation
3.88640469 × 10^8
Engineering notation
3.88640469 × 10^6
Prime Factorization
3 × 7 × 157 × 117877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388640469
Product of the distinct prime numbers
The prime factorization of 388640469 is 3 × 7 × 157 × 117877.
Since it has a total of 4 prime factors.
10 , 7 , 61 , 21 , 878 , 108 , 8456 , 5675 , 39536 , 85884 , 716661 , 265228 , 6429275 , 5690288 , 45761846 , 86678869 , 673088317 , 582668462 , 3415351280 , 6903378697
n×2
777280938
n×3
1165921407
n×4
1554561876
n×5
1943202345
n÷2
194320234.5
n÷3
129546823
n÷3
97160117.25
n÷5
77728093.8
n2
151041414144539961
n3
5.8700806031557E+25
n4
2.2813508786782E+34
n5
8.8662527544307E+42
2 √n
19713.966343686
3 √n
729.76440073354
4 √n
140.40643270052
5 √n
52.228746680441
1 , 3 , 7 , 21 , 157 , 471 , 1099 , 3297 , 117877 , 353631 , 825139 , 2475417 , 18506689 , 55520067 , 129546823 , 388640469
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
-388640468
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 388640469 can be divided by 16 positive divisors.
The sum of these divisors (counting 388640469) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100010111011010101
3
Ternary
1000002021222111110
4
Quaternary
113022202323111
5
Quinary
1243442443334
6
Senary
102321525233
8
Octal
2712427325
10
Decimal
388640469
12
Duodecimal
aa1a3819
16
Hexadecimal
172a2ed5
20
Vigesimal
6190139
36
Base36
6fdwwl
md5
4eb267901d6daa7f95fa6018d14bfd2e
sha1
4ab499a34bfe0342cf294818d1c7db8352683162
sha256
d4fc8394105d637860b7153a10d5a1c4ec5831f43bf82a86fe2aa65c8564451d
sha512
55d164e549e74b55b59e7b49e29ab1090c31f1abb8b07d923b7fc0434295172f2cdceb41187b7b0bfb5ae4148f721bb553c1ff61ade8cd4a54844981d0fa7793
ripemd-160
edd8115c7221e8404c482992a0b6b4f1f19ba4d0
Diameter
777280938
Circumference
2441900084.5962
Area
4.745105970643E+17
Volume
2.4588536131805E+26
Surface area
1.8980423882572E+18
Circumference
2441900084.5962
Perimeter
1554561876
Area
151041414144539961
Diagonal
549620622.14684
Surface area
906248484867239766
Volume
5.8700806031557E+25
Space diagonal
673145038.1854
Perimeter
1165921407
Area
6.5402850836349E+16
Altitude
336572519.0927
Surface area
6.5402850836349E+16
Volume
6.9179563343384E+24
Height
183206874.04895