388378839 is an odd 9-digits composite number following 388378838
and preceding 388378840 . In scientific notation, it is written as 3.88378839 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 258919224 positive integers (up to 388378839) that are relatively prime to 388378839.
388378839 has 4 divisors, whose sum is 517838456
The reverse of 388378839 is 938873883
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred eighty-eight million three hundred seventy-eight thousand eight hundred thirty-nine
Scientific notation
3.88378839 × 10^8
Engineering notation
3.88378839 × 10^6
Prime Factorization
3 × 129459613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388378839
Product of the distinct prime numbers
The prime factorization of 388378839 is 3 × 129459613.
Since it has a total of 2 prime factors.
1 , 1 , 83 , 87 , 270 , 970 , 8388 , 9016 , 47541 , 36949 , 510596 , 973388 , 8878703 , 3783663 , 52090230 , 12987112 , 300553013 , 526312383 , 7864124189 , 7307380460
n×2
776757678
n×3
1165136517
n×4
1553515356
n×5
1941894195
n÷2
194189419.5
n÷3
129459613
n÷3
97094709.75
n÷5
77675767.8
n2
150838122582987921
n3
5.8582334925721E+25
n4
2.275213922436E+34
n5
8.8364494167235E+42
2 √n
19707.329575567
3 √n
729.60060657135
4 √n
140.3827965798
5 √n
52.221712781947
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
-388378838
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 388378839 can be divided by 4 positive divisors.
The sum of these divisors (counting 388378839) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001001100011000011010111
3
Ternary
1000001210200121110
4
Quaternary
113021203003113
5
Quinary
1243411110324
6
Senary
102312150103
8
Octal
2711430327
10
Decimal
388378839
12
Duodecimal
aa098333
16
Hexadecimal
172630d7
20
Vigesimal
617771j
36
Base36
6f8b13
md5
8e6f1384867bb8dbb7ff9a32327a4da6
sha1
e0640bb6a340ed9909f331994f67bfc1f924d099
sha256
cb3e0bb4055a6c449905dc7006ba9fc0490e70e33c6071bce1f0bc2399b967d7
sha512
d4c9b1fcb10c1804b8a160e3f4a8f2dbccaafee06a39037325c949d2623cd979c59a97063d89596da9c8b70bb17ac85872a0524ea328cb3770047f4795355d14
ripemd-160
841ae25d18e3dc2fa0250eca0d5c4d5a1d8a36ea
Diameter
776757678
Circumference
2440256214.8243
Area
4.7387193778799E+17
Volume
2.4538911071037E+26
Surface area
1.895487751152E+18
Circumference
2440256214.8243
Perimeter
1553515356
Area
150838122582987921
Diagonal
549250621.45252
Surface area
905028735497927526
Volume
5.8582334925721E+25
Space diagonal
672691881.73261
Perimeter
1165136517
Area
6.5314823008009E+16
Altitude
336345940.86631
Surface area
6.5314823008009E+16
Volume
6.9039943806198E+24
Height
183083540.48417