1388129618 is an even 10-digits composite number following 1388129617
and preceding 1388129619 . In scientific notation, it is written as 1.388129618 × 10^9.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 679843296 positive integers (up to 1388129618) that are relatively prime to 1388129618.
1388129618 has 16 divisors, whose sum is 2125297440
The reverse of 1388129618 is 8169218831
Previous prime number is 89
Is Prime? no
Number parity even
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion three hundred eighty-eight million one hundred twenty-nine thousand six hundred eighteen
Scientific notation
1.388129618 × 10^9
Engineering notation
1.388129618 × 10^9
Prime Factorization
2 × 107 × 89 × 72883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1388129618
Product of the distinct prime numbers
The prime factorization of 1388129618 is 2 × 107 × 89 × 72883.
Since it has a total of 4 prime factors.
4 , 7 , 75 , 87 , 992 , 85 , 2960 , 3082 , 11071 , 71419 , 113342 , 668119 , 7714037 , 8304132 , 51545000 , 55395422 , 236873241 , 438045784 , 2216065545 , 9756708728
n×2
2776259236
n×3
4164388854
n×4
5552518472
n×5
6940648090
n÷2
694064809
n÷3
462709872.66667
n÷3
347032404.5
n÷5
277625923.6
n2
1926903836368825924
n3
2.6747922863014E+27
n4
3.7129583946129E+36
n5
5.1540675179639E+45
2 √n
37257.611544488
3 √n
1115.51823403
4 √n
193.02230841146
5 √n
67.373018304706
1 , 2 , 89 , 107 , 178 , 214 , 9523 , 19046 , 72883 , 145766 , 6486587 , 7798481 , 12973174 , 15596962 , 694064809 , 1388129618
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388129617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388129618 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388129618) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101111010010110101010010
3
Ternary
10120202000021212002
4
Quaternary
1102233102311102
5
Quinary
10320330121433
6
Senary
345424234002
8
Octal
12257226522
10
Decimal
1388129618
12
Duodecimal
328a6b902
16
Hexadecimal
52bd2d52
20
Vigesimal
11dfg40i
36
Base36
mygfo2
md5
44914946185203519e7a284864267e33
sha1
b9384128312cf712bfe160f571f8016e68553cb8
sha256
5916a50bff8015867a47fe7de84d302c9eef447dbacb67bbca6cad3679d9a7fd
sha512
4f9e621641e59ce5fcaf1326424c34a02a7ea003f522ccfc36ce6882ff5568dcb209cd70157174937cae2e3d360bb778a4e285a9400c043020619819637b990a
ripemd-160
91940098c40accf4658720bc0dcda12a0ee8d662
Diameter
2776259236
Circumference
8721875620.2784
Area
6.0535469365103E+18
Volume
1.1204143728697E+28
Surface area
2.4214187746041E+19
Circumference
8721875620.2784
Perimeter
5552518472
Area
1926903836368825924
Diagonal
1963111732.1074
Surface area
1.1561423018213E+19
Volume
2.6747922863014E+27
Space diagonal
2404311025.8672
Perimeter
4164388854
Area
8.3437383647255E+17
Altitude
1202155512.9336
Surface area
8.3437383647255E+17
Volume
3.1522729398486E+26
Height
654370577.36913