1388358889 is an odd 10-digits prime number following 1388358888
and preceding 1388358890 . In scientific notation, it is written as 1.388358889 × 10^9.
The sum of its digits is 61. It has a total of 1 prime factors and 2 positive divisors.
There are 1388358888 positive integers (up to 1388358889) that are relatively prime to 1388358889.
1388358889 has 2 divisors, whose sum is 1388358890
The reverse of 1388358889 is 9888538831
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion three hundred eighty-eight million three hundred fifty-eight thousand eight hundred eighty-nine
Scientific notation
1.388358889 × 10^9
Engineering notation
1.388358889 × 10^9
Prime Factorization
1388358889
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1388358889
Product of the distinct prime numbers
The prime factorization of 1388358889 is 1388358889.
Since it has a total of 1 prime factors.
2 , 7 , 100 , 87 , 274 , 890 , 7609 , 2199 , 28357 , 74737 , 892811 , 683368 , 9184607 , 8305535 , 76897952 , 31996995 , 372897168 , 278912030 , 8824941846 , 5149563506
n×2
2776717778
n×3
4165076667
n×4
5553435556
n×5
6941794445
n÷2
694179444.5
n÷3
462786296.33333
n÷3
347089722.25
n÷5
277671777.8
n2
1927540404665314321
n3
2.6761178547237E+27
n4
3.7154120116173E+36
n5
5.1583252926263E+45
2 √n
37260.688251829
3 √n
1115.5796456586
4 √n
193.03027807012
5 √n
67.375243696151
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1388358890
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
694179445
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
37260.688265248
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999985595
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388358889 can be divided by 2 positive divisors.
The sum of these divisors (counting 1388358889) is 1388358890, the average is 694179445.
Base
System
Value
2
Binary
1010010110000001010110011101001
3
Ternary
10120202102221100121
4
Quaternary
1102300022303221
5
Quinary
10320404441024
6
Senary
345433203241
8
Octal
12260126351
10
Decimal
1388358889
12
Duodecimal
328b60521
16
Hexadecimal
52c0ace9
20
Vigesimal
11dh4h49
36
Base36
mylckp
md5
710dc00481db8746ed1faed8663a4c72
sha1
9e70483a144b03d56054e8447ac685cd4784197f
sha256
062d602c0c9c0ea8ac02b74294639022c43bccd995741c313018c0789adbef73
sha512
c0afb0d9e649ed6d9c7722900b4a7d951083dfbdd937fa5439bf4c2e9ead861679ca5a78d5672fa868628cbe16768cdc7997375895aaa29ee806f6234fff5cab
ripemd-160
dbe4c451b6f7937d57aee2dcb231e5c42b66852d
Diameter
2776717778
Circumference
8723316172.457
Area
6.055546774794E+18
Volume
1.1209696256721E+28
Surface area
2.4222187099176E+19
Circumference
8723316172.457
Perimeter
5553435556
Area
1927540404665314321
Diagonal
1963435970.265
Surface area
1.1565242427992E+19
Volume
2.6761178547237E+27
Space diagonal
2404708134.8879
Perimeter
4165076667
Area
8.3464947863055E+17
Altitude
1202354067.4439
Surface area
8.3464947863055E+17
Volume
3.1538351372159E+26
Height
654478656.75501