388631321 is an odd 9-digits composite number following 388631320
and preceding 388631322 . In scientific notation, it is written as 3.88631321 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 358736592 positive integers (up to 388631321) that are relatively prime to 388631321.
388631321 has 4 divisors, whose sum is 418526052
The reverse of 388631321 is 123136883
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
three hundred eighty-eight million six hundred thirty-one thousand three hundred twenty-one
Scientific notation
3.88631321 × 10^8
Engineering notation
3.88631321 × 10^6
Prime Factorization
13 × 29894717
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388631321
Product of the distinct prime numbers
The prime factorization of 388631321 is 13 × 29894717.
Since it has a total of 2 prime factors.
10 , 3 , 28 , 59 , 894 , 900 , 8239 , 6572 , 13460 , 74294 , 169947 , 266934 , 7074449 , 5987295 , 86458211 , 84957030 , 640875322 , 901024863 , 4512238232 , 2752313136
n×2
777262642
n×3
1165893963
n×4
1554525284
n×5
1943156605
n÷2
194315660.5
n÷3
129543773.66667
n÷3
97157830.25
n÷5
77726264.2
n2
151034303662205041
n3
5.8696660948558E+25
n4
2.2811360882727E+34
n5
8.865209313662E+42
2 √n
19713.73432407
3 √n
729.75867484406
4 √n
140.40560645526
5 √n
52.228500801223
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
-388631320
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 388631321 can be divided by 4 positive divisors.
The sum of these divisors (counting 388631321) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100000101100011001
3
Ternary
1000002021111221122
4
Quaternary
113022200230121
5
Quinary
1243442200241
6
Senary
102321415025
8
Octal
2712405431
10
Decimal
388631321
12
Duodecimal
aa19a475
16
Hexadecimal
172a0b19
20
Vigesimal
618ii61
36
Base36
6fdpuh
md5
c61ed6c405099b0b4f577685b3ef4952
sha1
092e6b531384151dcb97715e847cfbef5fb03009
sha256
389395e92df2824cdf9cfc595631bd4c172d77d98a5c5e778223d82454f3e2f2
sha512
f7ef2408829d1748ef904a6c5ae5e55c3a5743e66d6907c46b01f47542560746c6073ba4a5b3bf7567e4699b35bfeb2fa1fd16a7308a4eb05cb4e7e74171b9b1
ripemd-160
588b5bfc43c245ffd90e6ca87571b13f12a0ce4e
Diameter
777262642
Circumference
2441842606.017
Area
4.7448825882523E+17
Volume
2.4586799843499E+26
Surface area
1.8979530353009E+18
Circumference
2441842606.017
Perimeter
1554525284
Area
151034303662205041
Diagonal
549607684.92117
Surface area
906205821973230246
Volume
5.8696660948558E+25
Space diagonal
673129193.38461
Perimeter
1165893963
Area
6.5399771907181E+16
Altitude
336564596.6923
Surface area
6.5399771907181E+16
Volume
6.9174678316221E+24
Height
183202561.64039