1388021243 is an odd 10-digits composite number following 1388021242
and preceding 1388021244 . In scientific notation, it is written as 1.388021243 × 10^9.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 1189732488 positive integers (up to 1388021243) that are relatively prime to 1388021243.
1388021243 has 4 divisors, whose sum is 1586310000
The reverse of 1388021243 is 3421208831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion three hundred eighty-eight million twenty-one thousand two hundred forty-three
Scientific notation
1.388021243 × 10^9
Engineering notation
1.388021243 × 10^9
Prime Factorization
7 × 198288749
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388021243
Product of the distinct prime numbers
The prime factorization of 1388021243 is 7 × 198288749.
Since it has a total of 2 prime factors.
4 , 6 , 70 , 15 , 623 , 282 , 9824 , 7010 , 68665 , 81687 , 845461 , 520677 , 1175356 , 1012416 , 25817198 , 94525978 , 249095890 , 696413969 , 7651438617 , 9276194144
n×2
2776042486
n×3
4164063729
n×4
5552084972
n×5
6940106215
n÷2
694010621.5
n÷3
462673747.66667
n÷3
347005310.75
n÷5
277604248.6
n2
1926602971019265049
n3
2.6741658506017E+27
n4
3.7117990079403E+36
n5
5.1520558727674E+45
2 √n
37256.157115301
3 √n
1115.489202775
4 √n
193.01854085891
5 √n
67.371966273427
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
-1388021242
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 1388021243 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388021243) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101110111000010111111011
3
Ternary
10120201210210012012
4
Quaternary
1102232320113323
5
Quinary
10320313134433
6
Senary
345422040135
8
Octal
12256702773
10
Decimal
1388021243
12
Duodecimal
328a1904b
16
Hexadecimal
52bb85fb
20
Vigesimal
11df2d23
36
Base36
mye41n
md5
e59d24b97e2abf0baf37b68d7f1b8642
sha1
50be4d85ddb1482ac170062fe9bfb0019dc03ce4
sha256
529e5b39fba074d8a151d21b87ab990ca265621f82068894984bd73702f970e9
sha512
f970a0a80d24481fbae7560e6a5e94393dd01f4debccbd7012ae3ee2b9b0c9547119e7e187aa47d5347e839c867dba5f324c8cadf653be456cfbf342f5fc19f4
ripemd-160
e59a8473c740c9a223dc654eb7f8182a1086dc5d
Diameter
2776042486
Circumference
8721194680.0707
Area
6.0526017401384E+18
Volume
1.1201519720974E+28
Surface area
2.4210406960554E+19
Circumference
8721194680.0707
Perimeter
5552084972
Area
1926602971019265049
Diagonal
1962958466.7126
Surface area
1.1559617826116E+19
Volume
2.6741658506017E+27
Space diagonal
2404123314.8609
Perimeter
4164063729
Area
8.3424355795463E+17
Altitude
1202061657.4305
Surface area
8.3424355795463E+17
Volume
3.1515346782965E+26
Height
654319488.90419