1388794907 is an odd 10-digits composite number following 1388794906
and preceding 1388794908 . In scientific notation, it is written as 1.388794907 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1383514056 positive integers (up to 1388794907) that are relatively prime to 1388794907.
1388794907 has 4 divisors, whose sum is 1394075760
The reverse of 1388794907 is 7094978831
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion three hundred eighty-eight million seven hundred ninety-four thousand nine hundred seven
Scientific notation
1.388794907 × 10^9
Engineering notation
1.388794907 × 10^9
Prime Factorization
263 × 5280589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388794907
Product of the distinct prime numbers
The prime factorization of 1388794907 is 263 × 5280589.
Since it has a total of 2 prime factors.
8 , 3 , 4 , 48 , 772 , 411 , 9074 , 7336 , 74496 , 76780 , 526847 , 757972 , 2002907 , 1604533 , 45173723 , 5582439 , 134355926 , 626248856 , 455115607 , 3807138486
n×2
2777589814
n×3
4166384721
n×4
5555179628
n×5
6943974535
n÷2
694397453.5
n÷3
462931635.66667
n÷3
347198726.75
n÷5
277758981.4
n2
1928751293709138649
n3
2.6786399735729E+27
n4
3.7200815529847E+36
n5
5.1664303144098E+45
2 √n
37266.538704312
3 √n
1115.6964170734
4 √n
193.04543171055
5 √n
67.379475041459
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388794906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388794907 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388794907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110001110101010000011011
3
Ternary
10120210021002110102
4
Quaternary
1102301311100123
5
Quinary
10321012414112
6
Senary
345450410015
8
Octal
12261652033
10
Decimal
1388794907
12
Duodecimal
32913090b
16
Hexadecimal
52c7541b
20
Vigesimal
11djj757
36
Base36
myup0b
md5
8e45fca72cb65a315a31741f11eb8cd7
sha1
bae7a33a750c3a28f0da94244736ea06b884145e
sha256
ffd1016e631f4c1be49ff8f104bc1d9f60d08bdf46321ef2a79a19e59147986c
sha512
68059ec147c8dc0a272b262e56a866a1d742e97ae08febae5f8d03e4972f21666a279008d990673ecbcf4636b0b1f297ac235b94aaa685350d4f62bd6da173bc
ripemd-160
dce36d121ee24ab0185c5e7957e8a9897114d58c
Diameter
2777589814
Circumference
8726055754.3482
Area
6.0593508949184E+18
Volume
1.1220260883451E+28
Surface area
2.4237403579674E+19
Circumference
8726055754.3482
Perimeter
5555179628
Area
1928751293709138649
Diagonal
1964052592.8341
Surface area
1.1572507762255E+19
Volume
2.6786399735729E+27
Space diagonal
2405463340.2169
Perimeter
4166384721
Area
8.3517380896711E+17
Altitude
1202731670.1084
Surface area
8.3517380896711E+17
Volume
3.1568074827846E+26
Height
654684197.61136