388021231 is an odd 9-digits composite number following 388021230
and preceding 388021232 . In scientific notation, it is written as 3.88021231 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 358173432 positive integers (up to 388021231) that are relatively prime to 388021231.
388021231 has 4 divisors, whose sum is 417869032
The reverse of 388021231 is 132120883
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
three hundred eighty-eight million twenty-one thousand two hundred thirty-one
Scientific notation
3.88021231 × 10^8
Engineering notation
3.88021231 × 10^6
Prime Factorization
13 × 29847787
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388021231
Product of the distinct prime numbers
The prime factorization of 388021231 is 13 × 29847787.
Since it has a total of 2 prime factors.
9 , 7 , 31 , 31 , 936 , 874 , 5214 , 4568 , 86013 , 97156 , 900383 , 634513 , 8082299 , 8110287 , 26344496 , 5673 , 747034933 , 494128861 , 9225309181 , 4784756346
n×2
776042462
n×3
1164063693
n×4
1552084924
n×5
1940106155
n÷2
194010615.5
n÷3
129340410.33333
n÷3
97005307.75
n÷5
77604246.2
n2
150560475706755361
n3
5.8420661123681E+25
n4
2.2668456845044E+34
n5
8.7958425298845E+42
2 √n
19698.254516581
3 √n
729.3766060953
4 √n
140.35047031122
5 √n
52.212092389529
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
-388021230
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 388021231 can be divided by 4 positive divisors.
The sum of these divisors (counting 388021231) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001000001011101111101111
3
Ternary
1000001010112001201
4
Quaternary
113020023233233
5
Quinary
1243313134411
6
Senary
102300350331
8
Octal
2710135757
10
Decimal
388021231
12
Duodecimal
a9b453a7
16
Hexadecimal
1720bbef
20
Vigesimal
6152d1b
36
Base36
6f0n3j
md5
c437de2b102eacc9e66a7ebc4e08089a
sha1
30d9369a4601458a70aba9071c269b41b0fa3a8a
sha256
1314e2fe75f41394321473e005b40765afb1154bd29beb36ec74a64f7a1b1e71
sha512
84054621c1fb73947a5fa0552c9636e1e568cb201a1b45ff4ef41da6e10ffc3e56d8de6c113c2cab68b4047652bc84b8e9d174ef0d3f55a92f64104e2fd203e4
ripemd-160
d08fbe57f56551f68d5f784c94a659343db1db05
Diameter
776042462
Circumference
2438009297.4929
Area
4.7299968440133E+17
Volume
2.4471189307202E+26
Surface area
1.8919987376053E+18
Circumference
2438009297.4929
Perimeter
1552084924
Area
150560475706755361
Diagonal
548744887.3689
Surface area
903362854240532166
Volume
5.8420661123681E+25
Space diagonal
672072486.50742
Perimeter
1164063693
Area
6.519459838396E+16
Altitude
336036243.25371
Surface area
6.519459838396E+16
Volume
6.884940940326E+24
Height
182914962.4563