1388891384 is an even 10-digits composite number following 1388891383
and preceding 1388891385 . In scientific notation, it is written as 1.388891384 × 10^9.
The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors.
There are 693992320 positive integers (up to 1388891384) that are relatively prime to 1388891384.
1388891384 has 16 divisors, whose sum is 2605871520
The reverse of 1388891384 is 4831988831
Previous prime number is 1553
Is Prime? no
Number parity even
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion three hundred eighty-eight million eight hundred ninety-one thousand three hundred eighty-four
Scientific notation
1.388891384 × 10^9
Engineering notation
1.388891384 × 10^9
Prime Factorization
2 × 2 × 2 × 1553 × 111791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
347222846
Product of the distinct prime numbers
The prime factorization of 1388891384 is 2 × 2 × 2 × 1553 × 111791.
Since it has a total of 5 prime factors.
1 , 1 , 54 , 61 , 506 , 567 , 8388 , 7221 , 56426 , 87074 , 552013 , 192099 , 5145380 , 6356276 , 91750825 , 56317079 , 535009676 , 36430005 , 7244840083 , 1578311213
n×2
2777782768
n×3
4166674152
n×4
5555565536
n×5
6944456920
n÷2
694445692
n÷3
462963794.66667
n÷3
347222846
n÷5
277778276.8
n2
1929019276549435456
n3
2.6791982527694E+27
n4
3.7211153692993E+36
n5
5.1682250752898E+45
2 √n
37267.83310041
3 √n
1115.7222515937
4 √n
193.04878425002
5 √n
67.380411160817
1 , 2 , 4 , 8 , 1553 , 3106 , 6212 , 12424 , 111791 , 223582 , 447164 , 894328 , 173611423 , 347222846 , 694445692 , 1388891384
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388891383
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388891384 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388891384) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110010001100110011111000
3
Ternary
10120210102222210122
4
Quaternary
1102302030303320
5
Quinary
10321024011014
6
Senary
345452432412
8
Octal
12262146370
10
Decimal
1388891384
12
Duodecimal
329178708
16
Hexadecimal
52c8ccf8
20
Vigesimal
11e0b894
36
Base36
mywrg8
md5
cdfb0202daaae8a84d59452cb675b500
sha1
e1a80695d90e90938b84b8b22930df218317b942
sha256
14879eef91ca66ab7f13078f9458eec6253184aae4d7fd73f5e061cdfacae4ad
sha512
5377cc3ccf23091e12ba7bce02bda57df84886d24d649b74303b04f7dcb4f91432c9852077685ce3327fb8f0eeb171e16ac212cc35ad196cdbf7d188b766029c
ripemd-160
7655e4117011f6a80e87dcf9a1425dbff5a41695
Diameter
2777782768
Circumference
8726661937.2171
Area
6.0601927878408E+18
Volume
1.1222599397881E+28
Surface area
2.4240771151363E+19
Circumference
8726661937.2171
Perimeter
5555565536
Area
1929019276549435456
Diagonal
1964189031.9159
Surface area
1.1574115659297E+19
Volume
2.6791982527694E+27
Space diagonal
2405630443.2827
Perimeter
4166674152
Area
8.3528984894085E+17
Altitude
1202815221.6413
Surface area
8.3528984894085E+17
Volume
3.1574654211273E+26
Height
654729677.30531