1388896731 is an odd 10-digits composite number following 1388896730
and preceding 1388896732 . In scientific notation, it is written as 1.388896731 × 10^9.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 914526720 positive integers (up to 1388896731) that are relatively prime to 1388896731.
1388896731 has 24 divisors, whose sum is 2030980224
The reverse of 1388896731 is 1376988831
Previous prime number is 2621
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion three hundred eighty-eight million eight hundred ninety-six thousand seven hundred thirty-one
Scientific notation
1.388896731 × 10^9
Engineering notation
1.388896731 × 10^9
Prime Factorization
3 × 3 × 97 × 2621 × 607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
462965577
Product of the distinct prime numbers
The prime factorization of 1388896731 is 3 × 3 × 97 × 2621 × 607.
Since it has a total of 5 prime factors.
3 , 1 , 59 , 27 , 258 , 706 , 78 , 3640 , 33753 , 55384 , 492668 , 729265 , 9042680 , 1332037 , 23033168 , 35272599 , 200598956 , 546564265 , 925118749 , 2740106718
n×2
2777793462
n×3
4166690193
n×4
5555586924
n×5
6944483655
n÷2
694448365.5
n÷3
462965577
n÷3
347224182.75
n÷5
277779346.2
n2
1929034129382486361
n3
2.6792291962868E+27
n4
3.7211726723224E+36
n5
5.1683245600752E+45
2 √n
37267.904837809
3 √n
1115.7236833734
4 √n
193.04897005115
5 √n
67.380463041404
1 , 3 , 9 , 97 , 291 , 607 , 873 , 1821 , 2621 , 5463 , 7863 , 23589 , 58879 , 176637 , 254237 , 529911 , 762711 , 1590947 , 2288133 , 4772841 , 14318523 , 154321859 , 462965577 , 1388896731
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388896730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388896731 can be divided by 24 positive divisors.
The sum of these divisors (counting 1388896731) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010110010001110000111011011
3
Ternary
10120210110021010200
4
Quaternary
1102302032013123
5
Quinary
10321024143411
6
Senary
345452513243
8
Octal
12262160733
10
Decimal
1388896731
12
Duodecimal
32917b823
16
Hexadecimal
52c8e1db
20
Vigesimal
11e0c1gb
36
Base36
mywvkr
md5
0e6feb0f38138b3d2949b3166ee964e1
sha1
739adaf1faccbce6f6f1cbc7587144b2e0ce2158
sha256
cf381cd17c0b5c34751768500cfe92800ae0c61b9db027a0b9df215adabd72a2
sha512
bdf5bb961a1e206c795289e5f7be8dde8baf1199262133d3f59258bd0759760d2b1cbc6f2de8a4ac7b1c46430a6b71b8836a47000294e6330eabf58210421f47
ripemd-160
b59fce98dbb7ecc007cc42f3ce0a6835d26db644
Diameter
2777793462
Circumference
8726695533.409
Area
6.060239449392E+18
Volume
1.1222729013784E+28
Surface area
2.4240957797568E+19
Circumference
8726695533.409
Perimeter
5555586924
Area
1929034129382486361
Diagonal
1964196593.7159
Surface area
1.1574204776295E+19
Volume
2.6792291962868E+27
Space diagonal
2405639704.5583
Perimeter
4166690193
Area
8.3529628040622E+17
Altitude
1202819852.2792
Surface area
8.3529628040622E+17
Volume
3.1575018884123E+26
Height
654732197.90529