388129620 is an even 9-digits composite number following 388129619
and preceding 388129621 . In scientific notation, it is written as 3.88129620 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 99931776 positive integers (up to 388129620) that are relatively prime to 388129620.
388129620 has 12 divisors, whose sum is 680791328
The reverse of 388129620 is 026921883
Previous prime number is 435
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
three hundred eighty-eight million one hundred twenty-nine thousand six hundred twenty
Scientific notation
3.88129620 × 10^8
Engineering notation
3.88129620 × 10^6
Prime Factorization
2 × 2 × 435 × 223063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194064810
Product of the distinct prime numbers
The prime factorization of 388129620 is 2 × 2 × 435 × 223063.
Since it has a total of 4 prime factors.
3 , 7 , 14 , 16 , 749 , 133 , 6449 , 7944 , 72959 , 52078 , 934801 , 490602 , 573967 , 1746491 , 25848198 , 20385601 , 304437181 , 333591447 , 7143555488 , 2451912
n×2
776259240
n×3
1164388860
n×4
1552518480
n×5
1940648100
n÷2
194064810
n÷3
129376540
n÷3
97032405
n÷5
77625924
n2
150644601921344400
n3
5.8469632098783E+25
n4
2.269379608804E+34
n5
8.8081344520086E+42
2 √n
19701.005558093
3 √n
729.44451392665
4 √n
140.36027058286
5 √n
52.215009025941
1 , 2 , 4 , 435 , 870 , 1740 , 223063 , 446126 , 892252 , 97032405 , 194064810 , 388129620
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388129619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388129620 can be divided by 12 positive divisors.
The sum of these divisors (counting 388129620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001000100110001101010100
3
Ternary
1000001100000202010
4
Quaternary
113020212031110
5
Quinary
1243330121440
6
Senary
102302544220
8
Octal
2710461524
10
Decimal
388129620
12
Duodecimal
a9b98070
16
Hexadecimal
17226354
20
Vigesimal
615g410
36
Base36
6f2yqc
md5
db696119df47228a6fda4539ed66f952
sha1
896336ae05577cf0b13487b2b0f79c1c3f4376da
sha256
7413743ec2ea9f96d4b5b5207f4fd54a36e3fa1b87eefb504d5a1143e4ffd7fa
sha512
699323c23ef88098090c60688f22e9e1306eb2a87b2ff80c0c6db86d6e46035dd7ad4cc9a34863ae74487cce13a47c908c184974ba2ea38424ab0e5876776e54
ripemd-160
dbebb3ca57fa9966ad229411b819db4dc93fc2fc
Diameter
776259240
Circumference
2438690325.6652
Area
4.7326397469905E+17
Volume
2.4491702221284E+26
Surface area
1.8930558987962E+18
Circumference
2438690325.6652
Perimeter
1552518480
Area
150644601921344400
Diagonal
548898172.56272
Surface area
903867611528066400
Volume
5.8469632098783E+25
Space diagonal
672260221.7624
Perimeter
1164388860
Area
6.5231026103439E+16
Altitude
336130110.8812
Surface area
6.5231026103439E+16
Volume
6.8907122250886E+24
Height
182966057.52091