1388794911 is an odd 10-digits composite number following 1388794910
and preceding 1388794912 . In scientific notation, it is written as 1.388794911 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 745881696 positive integers (up to 1388794911) that are relatively prime to 1388794911.
1388794911 has 16 divisors, whose sum is 1543618560
The reverse of 1388794911 is 1194978831
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion three hundred eighty-eight million seven hundred ninety-four thousand nine hundred eleven
Scientific notation
1.388794911 × 10^9
Engineering notation
1.388794911 × 10^9
Prime Factorization
21 × 19 × 127 × 27407
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1388794911
Product of the distinct prime numbers
The prime factorization of 1388794911 is 21 × 19 × 127 × 27407.
Since it has a total of 4 prime factors.
2 , 8 , 10 , 28 , 121 , 793 , 1168 , 9883 , 17198 , 42765 , 516053 , 90075 , 9972389 , 571711 , 2518270 , 21788117 , 22905357 , 40712239 , 4853653482 , 7358683956
n×2
2777589822
n×3
4166384733
n×4
5555179644
n×5
6943974555
n÷2
694397455.5
n÷3
462931637
n÷3
347198727.75
n÷5
277758982.2
n2
1928751304819497921
n3
2.6786399967179E+27
n4
3.7200815958429E+36
n5
5.1664303888114E+45
2 √n
37266.53875798
3 √n
1115.6964181445
4 √n
193.04543184955
5 √n
67.379475080272
1 , 19 , 21 , 127 , 399 , 2413 , 2667 , 27407 , 50673 , 520733 , 575547 , 3480689 , 10935393 , 66133091 , 73094469 , 1388794911
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
-1388794910
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 1388794911 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388794911) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110001110101010000011111
3
Ternary
10120210021002110120
4
Quaternary
1102301311100133
5
Quinary
10321012414121
6
Senary
345450410023
8
Octal
12261652037
10
Decimal
1388794911
12
Duodecimal
329130913
16
Hexadecimal
52c7541f
20
Vigesimal
11djj75b
36
Base36
myup0f
md5
85c9ba12e02e3ca62a362b155caece35
sha1
a8e2ece6dfe8f3c9ddf066fabb21700b945a0792
sha256
78b4e44b6690b2bf193582fbf0095152cdd2a2bcbce7914f0d4d99af90596fc4
sha512
7ac6f3637d4e5604bb8aa65ce38c0cee75f01f35d376740a7f046d9393f1c525bfeb684fa964c8c7691ec154f5555eb3fff90af40dbd3644efbf3a13c5004639
ripemd-160
f202d7f18df9e862e3546bdf469baf8df3e49a36
Diameter
2777589822
Circumference
8726055779.481
Area
6.0593509298227E+18
Volume
1.1220260980401E+28
Surface area
2.4237403719291E+19
Circumference
8726055779.481
Perimeter
5555179644
Area
1928751304819497921
Diagonal
1964052598.4909
Surface area
1.1572507828917E+19
Volume
2.6786399967179E+27
Space diagonal
2405463347.1451
Perimeter
4166384733
Area
8.3517381377803E+17
Altitude
1202731673.5725
Surface area
8.3517381377803E+17
Volume
3.1568075100613E+26
Height
654684199.49698