1388016721 is an odd 10-digits composite number following 1388016720
and preceding 1388016722 . In scientific notation, it is written as 1.388016721 × 10^9.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 1098210960 positive integers (up to 1388016721) that are relatively prime to 1388016721.
1388016721 has 8 divisors, whose sum is 1708328384
The reverse of 1388016721 is 1276108831
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion three hundred eighty-eight million sixteen thousand seven hundred twenty-one
Scientific notation
1.388016721 × 10^9
Engineering notation
1.388016721 × 10^9
Prime Factorization
7 × 13 × 15252931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388016721
Product of the distinct prime numbers
The prime factorization of 1388016721 is 7 × 13 × 15252931.
Since it has a total of 3 prime factors.
6 , 3 , 47 , 38 , 593 , 246 , 9405 , 7921 , 44001 , 33900 , 220268 , 629724 , 2821995 , 8770264 , 75622871 , 11826386 , 769324581 , 248630670 , 1455019749 , 6711948493
n×2
2776033442
n×3
4164050163
n×4
5552066884
n×5
6940083605
n÷2
694008360.5
n÷3
462672240.33333
n÷3
347004180.25
n÷5
277603344.2
n2
1926590417775591841
n3
2.6741397143909E+27
n4
3.7117506378647E+36
n5
5.1519719495387E+45
2 √n
37256.096427296
3 √n
1115.4879913988
4 √n
193.01838365113
5 √n
67.371922375478
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
-1388016720
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 1388016721 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388016721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110110111010001010001
3
Ternary
10120201210112222201
4
Quaternary
1102232313101101
5
Quinary
10320313013341
6
Senary
345422003201
8
Octal
12256672121
10
Decimal
1388016721
12
Duodecimal
328a16501
16
Hexadecimal
52bb7451
20
Vigesimal
11df21g1
36
Base36
mye0k1
md5
049b68992ce732ba685ffc2bb447a4d4
sha1
22f34e5b5b90f9a502af301db8b7acde59b0a76d
sha256
5898232481930500a4fef15eead5f1c89a2d8fd2c6741c34a4d7846023f5af89
sha512
c5cf9ed2d41601554b9906276fc9bc502e8cb145e785949ff1f85ab79fb186e4e6104d71c3ab8c3bcdb17f15bc1f4a25e7039ca9cc38117b9156693b5c22498e
ripemd-160
44fa284a47273657bcbaa942fb0dcbc39c4f30bb
Diameter
2776033442
Circumference
8721166267.5068
Area
6.0525623029603E+18
Volume
1.1201410241871E+28
Surface area
2.4210249211841E+19
Circumference
8721166267.5068
Perimeter
5552066884
Area
1926590417775591841
Diagonal
1962952071.6388
Surface area
1.1559542506654E+19
Volume
2.6741397143909E+27
Space diagonal
2404115482.5272
Perimeter
4164050163
Area
8.3423812224067E+17
Altitude
1202057741.2636
Surface area
8.3423812224067E+17
Volume
3.1515038764768E+26
Height
654317357.21294