1388348521 is an odd 10-digits composite number following 1388348520
and preceding 1388348522 . In scientific notation, it is written as 1.388348521 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 1157850288 positive integers (up to 1388348521) that are relatively prime to 1388348521.
1388348521 has 4 divisors, whose sum is 1393709200
The reverse of 1388348521 is 1258438831
Previous prime number is 259
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion three hundred eighty-eight million three hundred forty-eight thousand five hundred twenty-one
Scientific notation
1.388348521 × 10^9
Engineering notation
1.388348521 × 10^9
Prime Factorization
259 × 5360419
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388348521
Product of the distinct prime numbers
The prime factorization of 1388348521 is 259 × 5360419.
Since it has a total of 2 prime factors.
6 , 8 , 25 , 43 , 61 , 213 , 7640 , 515 , 50957 , 3650 , 783504 , 91448 , 3682806 , 4149195 , 72932347 , 26885693 , 884961430 , 640757372 , 8945488991 , 6717858720
n×2
2776697042
n×3
4165045563
n×4
5553394084
n×5
6941742605
n÷2
694174260.5
n÷3
462782840.33333
n÷3
347087130.25
n÷5
277669704.2
n2
1927511615762887441
n3
2.6760579009547E+27
n4
3.7153010289009E+36
n5
5.1581326885443E+45
2 √n
37260.549123705
3 √n
1115.5768686728
4 √n
193.02991769077
5 √n
67.37514306675
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
-1388348520
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 1388348521 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388348521) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110000001000010001101001
3
Ternary
10120202102102010121
4
Quaternary
1102300020101221
5
Quinary
10320404123041
6
Senary
345433043241
8
Octal
12260102151
10
Decimal
1388348521
12
Duodecimal
328b56521
16
Hexadecimal
52c08469
20
Vigesimal
11dh3b61
36
Base36
myl4kp
md5
2c984328abf5a0b8f2d6e5dfba4c6676
sha1
76fd6f0dcf8e6fb9686d23c0fe5bb3f6a0640061
sha256
7b88fcd3703a058d56f1560654b6fb83aaf77660e32328eabb9dcd379c078bde
sha512
f6aad279d1abab48744d998c70a4673516abc6f16ee689ebe797f2b2a590006159180299d8d8b4d5cd4c05a52d50009deb7d092eb2e396ea670a8b795c57049a
ripemd-160
ff30f19460db45e7b6d3c067dbafea0ad64cbdd7
Diameter
2776697042
Circumference
8723251028.3917
Area
6.0554563317897E+18
Volume
1.120944512296E+28
Surface area
2.4221825327159E+19
Circumference
8723251028.3917
Perimeter
5553394084
Area
1927511615762887441
Diagonal
1963421307.6988
Surface area
1.1565069694577E+19
Volume
2.6760579009547E+27
Space diagonal
2404690176.9851
Perimeter
4165045563
Area
8.3463701267013E+17
Altitude
1202345088.4926
Surface area
8.3463701267013E+17
Volume
3.1537644810215E+26
Height
654473769.23294