388129621 is an odd 9-digits composite number following 388129620
and preceding 388129622 . In scientific notation, it is written as 3.88129621 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 352845100 positive integers (up to 388129621) that are relatively prime to 388129621.
388129621 has 4 divisors, whose sum is 423414144
The reverse of 388129621 is 126921883
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
three hundred eighty-eight million one hundred twenty-nine thousand six hundred twenty-one
Scientific notation
3.88129621 × 10^8
Engineering notation
3.88129621 × 10^6
Prime Factorization
11 × 35284511
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388129621
Product of the distinct prime numbers
The prime factorization of 388129621 is 11 × 35284511.
Since it has a total of 2 prime factors.
4 , 9 , 4 , 79 , 807 , 611 , 6371 , 5612 , 43622 , 72310 , 201475 , 676665 , 1094593 , 7811936 , 22720927 , 80309294 , 285263103 , 186730192 , 2713648059 , 3657328329
n×2
776259242
n×3
1164388863
n×4
1552518484
n×5
1940648105
n÷2
194064810.5
n÷3
129376540.33333
n÷3
97032405.25
n÷5
77625924.2
n2
150644602697603641
n3
5.8469632550716E+25
n4
2.2693796321919E+34
n5
8.8081345654776E+42
2 √n
19701.005583472
3 √n
729.44451455311
4 √n
140.36027067326
5 √n
52.215009052847
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
-388129620
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 388129621 can be divided by 4 positive divisors.
The sum of these divisors (counting 388129621) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001000100110001101010101
3
Ternary
1000001100000202011
4
Quaternary
113020212031111
5
Quinary
1243330121441
6
Senary
102302544221
8
Octal
2710461525
10
Decimal
388129621
12
Duodecimal
a9b98071
16
Hexadecimal
17226355
20
Vigesimal
615g411
36
Base36
6f2yqd
md5
4a3cf71b000ab6d904edde372cbbbf74
sha1
c8983b93960db6bfc59ab98d066537f4e8003a1a
sha256
c7af2eb11c93bf3c97a1b5b8f0e873601da453e7967be6115b18dc73e7189041
sha512
7283f1e8e506a1de9b307b8ac2155665fdca3ea5ff04f4b5b611a9b8dbc35ea902bf018265d05bccf875ba85795f026f99631c134fc17ff50c47cab73d5f92cb
ripemd-160
8c74633d40e1dbd8eccd2c8c7a0347b5f650fbec
Diameter
776259242
Circumference
2438690331.9484
Area
4.7326397713774E+17
Volume
2.449170241059E+26
Surface area
1.893055908551E+18
Circumference
2438690331.9484
Perimeter
1552518484
Area
150644602697603641
Diagonal
548898173.97693
Surface area
903867616185621846
Volume
5.8469632550716E+25
Space diagonal
672260223.49445
Perimeter
1164388863
Area
6.5231026439569E+16
Altitude
336130111.74723
Surface area
6.5231026439569E+16
Volume
6.8907122783496E+24
Height
182966057.99231