1388021242 is an even 10-digits composite number following 1388021241
and preceding 1388021243 . In scientific notation, it is written as 1.388021242 × 10^9.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 686891920 positive integers (up to 1388021242) that are relatively prime to 1388021242.
1388021242 has 16 divisors, whose sum is 2103472800
The reverse of 1388021242 is 2421208831
Previous prime number is 389
Is Prime? no
Number parity even
Number length 10
Sum of Digits 31
Digital Root 4
Name
one billion three hundred eighty-eight million twenty-one thousand two hundred forty-two
Scientific notation
1.388021242 × 10^9
Engineering notation
1.388021242 × 10^9
Prime Factorization
2 × 131 × 389 × 13619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1388021242
Product of the distinct prime numbers
The prime factorization of 1388021242 is 2 × 131 × 389 × 13619.
Since it has a total of 4 prime factors.
3 , 6 , 93 , 56 , 219 , 120 , 2345 , 9338 , 80615 , 90380 , 820603 , 615488 , 4544404 , 4238742 , 49749005 , 87928327 , 279809509 , 306505750 , 7926307349 , 3438797705
n×2
2776042484
n×3
4164063726
n×4
5552084968
n×5
6940106210
n÷2
694010621
n÷3
462673747.33333
n÷3
347005310.5
n÷5
277604248.4
n2
1926602968243222564
n3
2.6741658448218E+27
n4
3.7117989972436E+36
n5
5.1520558542084E+45
2 √n
37256.15710188
3 √n
1115.4892025071
4 √n
193.01854082414
5 √n
67.371966263719
1 , 2 , 131 , 262 , 389 , 778 , 13619 , 27238 , 50959 , 101918 , 1784089 , 3568178 , 5297791 , 10595582 , 694010621 , 1388021242
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
-1388021241
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 1388021242 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388021242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101110111000010111111010
3
Ternary
10120201210210012011
4
Quaternary
1102232320113322
5
Quinary
10320313134432
6
Senary
345422040134
8
Octal
12256702772
10
Decimal
1388021242
12
Duodecimal
328a1904a
16
Hexadecimal
52bb85fa
20
Vigesimal
11df2d22
36
Base36
mye41m
md5
f52db8b9afadd517118d1d6c7e127aed
sha1
3fe6e0f323962dcff1aac08b2bf14e264a7c3a26
sha256
acb31ade39eac216f4d89afb0761776cb4fdb2e81747b92dcf84017c6cb9a829
sha512
620526f638d5b289dd5f9abf95b4e4f4d606d21981e215811d04618afa42584e1044366adb5945eb311797358bba1d1e6756f5ec8685db2d4c7d0c46203f269b
ripemd-160
5012c02290c26dccbb750c4a682cb7a9e0a74f8a
Diameter
2776042484
Circumference
8721194673.7876
Area
6.0526017314172E+18
Volume
1.1201519696764E+28
Surface area
2.4210406925669E+19
Circumference
8721194673.7876
Perimeter
5552084968
Area
1926602968243222564
Diagonal
1962958465.2983
Surface area
1.1559617809459E+19
Volume
2.6741658448218E+27
Space diagonal
2404123313.1289
Perimeter
4164063726
Area
8.3424355675257E+17
Altitude
1202061656.5644
Surface area
8.3424355675257E+17
Volume
3.151534671485E+26
Height
654319488.43278