1388021239 is an odd 10-digits composite number following 1388021238
and preceding 1388021240 . In scientific notation, it is written as 1.388021239 × 10^9.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 1257279360 positive integers (up to 1388021239) that are relatively prime to 1388021239.
1388021239 has 8 divisors, whose sum is 1519674768
The reverse of 1388021239 is 9321208831
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion three hundred eighty-eight million twenty-one thousand two hundred thirty-nine
Scientific notation
1.388021239 × 10^9
Engineering notation
1.388021239 × 10^9
Prime Factorization
11 × 277 × 455537
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388021239
Product of the distinct prime numbers
The prime factorization of 1388021239 is 11 × 277 × 455537.
Since it has a total of 3 prime factors.
1 , 1 , 13 , 57 , 783 , 320 , 2204 , 5921 , 86250 , 20807 , 740997 , 384643 , 165136 , 5083656 , 95674377 , 38356834 , 4596188 , 289756621 , 4796231050 , 3493803682
n×2
2776042478
n×3
4164063717
n×4
5552084956
n×5
6940106195
n÷2
694010619.5
n÷3
462673746.33333
n÷3
347005309.75
n÷5
277604247.8
n2
1926602959915095121
n3
2.6741658274824E+27
n4
3.7117989651536E+36
n5
5.1520557985314E+45
2 √n
37256.157061619
3 √n
1115.4892017034
4 √n
193.01854071985
5 √n
67.371966234596
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
-1388021238
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 1388021239 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388021239) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110111000010111110111
3
Ternary
10120201210210012001
4
Quaternary
1102232320113313
5
Quinary
10320313134424
6
Senary
345422040131
8
Octal
12256702767
10
Decimal
1388021239
12
Duodecimal
328a19047
16
Hexadecimal
52bb85f7
20
Vigesimal
11df2d1j
36
Base36
mye41j
md5
ad394f2f16c969db3093d0bcd53b9310
sha1
2ccd99191bce0d1a086eccefd870f8cabe1e7cc5
sha256
ce4a26cb48f22f75f67e349b2515a3d983b5654c1e139c1d8e630890bcf0d4c1
sha512
f2fa87bb2533d1972c47c31aeca2be8e2c7bb7a84ab246ceb7721d2b4ea2a87c6c173e89ab10b9eced33fc795f7e6249c3e5c55f5950865e8ec9b391b9b87a71
ripemd-160
135809af82c4c0683bdd791915168ca52a7a1e72
Diameter
2776042478
Circumference
8721194654.938
Area
6.0526017052536E+18
Volume
1.1201519624133E+28
Surface area
2.4210406821014E+19
Circumference
8721194654.938
Perimeter
5552084956
Area
1926602959915095121
Diagonal
1962958461.0557
Surface area
1.1559617759491E+19
Volume
2.6741658274824E+27
Space diagonal
2404123307.9327
Perimeter
4164063717
Area
8.3424355314638E+17
Altitude
1202061653.9664
Surface area
8.3424355314638E+17
Volume
3.1515346510503E+26
Height
654319487.01857