1388021249 is an odd 10-digits composite number following 1388021248
and preceding 1388021250 . In scientific notation, it is written as 1.388021249 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 1314665280 positive integers (up to 1388021249) that are relatively prime to 1388021249.
1388021249 has 8 divisors, whose sum is 1463282688
The reverse of 1388021249 is 9421208831
Previous prime number is 31
Is Prime? no Number parity odd Number length 10 Sum of Digits 38 Digital Root 2
Name
one billion three hundred eighty-eight million twenty-one thousand two hundred forty-nine
Scientific notation
1.388021249 × 10^9
Engineering notation
1.388021249 × 10^9
Prime Factorization
47 × 31 × 952657
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1388021249 Product of the distinct prime numbers
The prime factorization of 1388021249 is 47 × 31 × 952657.
Since it has a total of 3 prime factors.
1 , 2 , 64 , 70 , 29 , 931 , 5190 , 5771 , 15590 , 72671 , 701880 , 895490 , 8522987 , 143606 , 22492780 , 57793691 , 1404296 , 319273064 , 2770512869 , 7663055136
n×2
2776042498
n×3
4164063747
n×4
5552084996
n×5
6940106245
n÷2
694010624.5
n÷3
462673749.66667
n÷3
347005312.25
n÷5
277604249.8
n2
1926602987675520001
n3
2.6741658852805E+27
n4
3.7117990721202E+36
n5
5.1520559841214E+45
2 √n37256.157195825
3 √n1115.4892043823
4 √n193.0185410675
5 √n67.371966331673
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1388021248 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388021249 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388021249) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110111000011000000001
3
Ternary
10120201210210012102
4
Quaternary
1102232320120001
5
Quinary
10320313134444
6
Senary
345422040145
8
Octal
12256703001
10
Decimal
1388021249
12
Duodecimal
328a19055
16
Hexadecimal
52bb8601
20
Vigesimal
11df2d29
36
Base36
mye41t
md5
b3bc64d0c940355cddc886722efec9e9
sha1
d0761732c96b28aac0592621f750d9f3b2639699
sha256
9fd1e775e2b2ee1a6667c456e062cbc7ae1ae18622d7f0c6f750a6583c4fd4a6
sha512
a65628f7dee7a49e8f7a0fe9234d73a769adf2dcbe6e27fea6a5d0d50c698e2df240c86f007a324aea97b75bca426df46e06db810842b643226b9bb713df1fd1
ripemd-160
cfeac5c69dc872f36cf3e0fa468c8055d14d5116
Diameter
2776042498
Circumference
8721194717.7699
Area
6.0526017924656E+18
Volume
1.1201519866237E+28
Surface area
2.4210407169862E+19
Circumference
8721194717.7699
Perimeter
5552084996
Area
1926602987675520001
Diagonal
1962958475.1978
Surface area
1.1559617926053E+19
Volume
2.6741658852805E+27
Space diagonal
2404123325.2532
Perimeter
4164063747
Area
8.34243565167E+17
Altitude
1202061662.6266
Surface area
8.34243565167E+17
Volume
3.151534719166E+26
Height
654319491.73261