1388021246 is an even 10-digits composite number following 1388021245
and preceding 1388021247 . In scientific notation, it is written as 1.388021246 × 10^9.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 694010622 positive integers (up to 1388021246) that are relatively prime to 1388021246.
1388021246 has 4 divisors, whose sum is 2082031872
The reverse of 1388021246 is 6421208831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion three hundred eighty-eight million twenty-one thousand two hundred forty-six
Scientific notation
1.388021246 × 10^9
Engineering notation
1.388021246 × 10^9
Prime Factorization
2 × 694010623
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388021246
Product of the distinct prime numbers
The prime factorization of 1388021246 is 2 × 694010623.
Since it has a total of 2 prime factors.
9 , 5 , 84 , 51 , 36 , 939 , 8181 , 7996 , 59857 , 31310 , 513725 , 724618 , 1811222 , 9680001 , 25256898 , 53663344 , 67403130 , 443565364 , 504724130 , 5275644801
n×2
2776042492
n×3
4164063738
n×4
5552084984
n×5
6940106230
n÷2
694010623
n÷3
462673748.66667
n÷3
347005311.5
n÷5
277604249.2
n2
1926602979347392516
n3
2.6741658679411E+27
n4
3.7117990400302E+36
n5
5.1520559284444E+45
2 √n
37256.157155563
3 √n
1115.4892035786
4 √n
193.0185409632
5 √n
67.37196630255
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
-1388021245
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 1388021246 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388021246) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101110111000010111111110
3
Ternary
10120201210210012022
4
Quaternary
1102232320113332
5
Quinary
10320313134441
6
Senary
345422040142
8
Octal
12256702776
10
Decimal
1388021246
12
Duodecimal
328a19052
16
Hexadecimal
52bb85fe
20
Vigesimal
11df2d26
36
Base36
mye41q
md5
8a720902cb0b6760ae04e0983513f70b
sha1
4620505a4f2e3144ab178794c5f8cbfbbcdbc7b9
sha256
a2d8501ffc7161d51ae4414c71502b6995cf258bdedb74e836d9332f1951581c
sha512
a4b570cc3ef1dcf5d8360a39b141b8df8df74051f923b47f2124503039bf6f44592a22284ee2e0f2b145d7fa5972e701cd22406d30e15b342ef66a8167cdeab6
ripemd-160
812d6b2fdfd48e5b8ab8987baf5ebf2bba6232c7
Diameter
2776042492
Circumference
8721194698.9203
Area
6.052601766302E+18
Volume
1.1201519793606E+28
Surface area
2.4210407065208E+19
Circumference
8721194698.9203
Perimeter
5552084984
Area
1926602979347392516
Diagonal
1962958470.9552
Surface area
1.1559617876084E+19
Volume
2.6741658679411E+27
Space diagonal
2404123320.0571
Perimeter
4164063738
Area
8.3424356156081E+17
Altitude
1202061660.0285
Surface area
8.3424356156081E+17
Volume
3.1515346987312E+26
Height
654319490.3184