1388128529 is an odd 10-digits composite number following 1388128528
and preceding 1388128530 . In scientific notation, it is written as 1.388128529 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1340261216 positive integers (up to 1388128529) that are relatively prime to 1388128529.
1388128529 has 4 divisors, whose sum is 1389779940
The reverse of 1388128529 is 9258218831
Previous prime number is 841
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion three hundred eighty-eight million one hundred twenty-eight thousand five hundred twenty-nine
Scientific notation
1.388128529 × 10^9
Engineering notation
1.388128529 × 10^9
Prime Factorization
841 × 1650569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388128529
Product of the distinct prime numbers
The prime factorization of 1388128529 is 841 × 1650569.
Since it has a total of 2 prime factors.
2 , 10 , 18 , 82 , 185 , 838 , 8558 , 4262 , 13078 , 24203 , 136693 , 274113 , 8079465 , 1141762 , 28315806 , 80487819 , 725541494 , 386788750 , 264013430 , 2063637217
n×2
2776257058
n×3
4164385587
n×4
5552514116
n×5
6940642645
n÷2
694064264.5
n÷3
462709509.66667
n÷3
347032132.25
n÷5
277625705.8
n2
1926900813023703841
n3
2.6747859911115E+27
n4
3.7129467432314E+36
n5
5.1540473009372E+45
2 √n
37257.596930022
3 √n
1115.5179423186
4 √n
193.02227055452
5 √n
67.373007733757
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
-1388128528
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 1388128529 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388128529) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101111010010100100010001
3
Ternary
10120202000020100202
4
Quaternary
1102233102210101
5
Quinary
10320330103104
6
Senary
345424224545
8
Octal
12257224421
10
Decimal
1388128529
12
Duodecimal
328a6b155
16
Hexadecimal
52bd2911
20
Vigesimal
11dfg169
36
Base36
mygett
md5
bbf505020662ee2b86ac688b70f7791c
sha1
91fdf6b6b4d7cefa01a869a2363bc79d13b5f01c
sha256
435f5617a6b6f5f000917edc9e12f78618320a9039b5ec53877cddff4cbf1312
sha512
9131ed1533aa6284faaca74b50ac03ae60262dbd6f55d5909226fd03561dc312298704df9f30da2ed012c038379080a5da5b23216bf60f8c8cb0ba5c0c19111b
ripemd-160
58f2ede9b27b8f478ce12afbdcab43089af1f60a
Diameter
2776257058
Circumference
8721868777.8896
Area
6.0535374383915E+18
Volume
1.1204117359468E+28
Surface area
2.4214149753566E+19
Circumference
8721868777.8896
Perimeter
5552514116
Area
1926900813023703841
Diagonal
1963110192.0288
Surface area
1.1561404878142E+19
Volume
2.6747859911115E+27
Space diagonal
2404309139.6638
Perimeter
4164385587
Area
8.3437252732571E+17
Altitude
1202154569.8319
Surface area
8.3437252732571E+17
Volume
3.1522655208962E+26
Height
654370064.0096