1639691389 is an odd 10-digits composite number following 1639691388
and preceding 1639691390 . In scientific notation, it is written as 1.639691389 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 1405449756 positive integers (up to 1639691389) that are relatively prime to 1639691389.
1639691389 has 4 divisors, whose sum is 1873933024
The reverse of 1639691389 is 9831969361
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion six hundred thirty-nine million six hundred ninety-one thousand three hundred eighty-nine
Scientific notation
1.639691389 × 10^9
Engineering notation
1.639691389 × 10^9
Prime Factorization
7 × 234241627
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1639691389
Product of the distinct prime numbers
The prime factorization of 1639691389 is 7 × 234241627.
Since it has a total of 2 prime factors.
10 , 1 , 9 , 46 , 41 , 851 , 9711 , 4907 , 45908 , 66665 , 234709 , 666955 , 6557113 , 3709252 , 66659037 , 54799525 , 367477714 , 156296833 , 2241238499 , 5278836901
n×2
3279382778
n×3
4919074167
n×4
6558765556
n×5
8198456945
n÷2
819845694.5
n÷3
546563796.33333
n÷3
409922847.25
n÷5
327938277.8
n2
2688587851160749321
n3
4.4084543481183E+27
n4
7.2285046334092E+36
n5
1.1852516802748E+46
2 √n
40493.102980631
3 √n
1179.1997324516
4 √n
201.22898146299
5 √n
69.655020309241
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
-1639691388
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 1639691389 can be divided by 4 positive divisors.
The sum of these divisors (counting 1639691389) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001101110111011010001111101
3
Ternary
11020021100221201201
4
Quaternary
1201232323101331
5
Quinary
11324230111024
6
Senary
430412135501
8
Octal
14156732175
10
Decimal
1639691389
12
Duodecimal
399167591
16
Hexadecimal
61bbb47d
20
Vigesimal
15c81899
36
Base36
r489z1
md5
262c44089376148c8694df708f26bc0d
sha1
c6bebeda5c342cd247cf075f034d9e2a43c96dcf
sha256
d1de908129b0d4dfeba8ba6f6cbd59dcbbaf77655cb7cc2a27212642e84fb514
sha512
4c00307152239b1c707f192a973a2b8176f1f98c9273613037d6fef95fc0e0a1d34df73cfb35903f52d1a64672781def300fa739a1d6aaa7165697fa74c2c4b6
ripemd-160
9f71958c32497367213dea2a55014a9193dd1ecf
Diameter
3279382778
Circumference
10302484843.674
Area
8.4464478417374E+18
Volume
1.8466090391646E+28
Surface area
3.378579136695E+19
Circumference
10302484843.674
Perimeter
6558765556
Area
2688587851160749321
Diagonal
2318873800.4302
Surface area
1.6131527106964E+19
Volume
4.4084543481183E+27
Space diagonal
2840028794.4812
Perimeter
4919074167
Area
1.1641926897057E+18
Altitude
1420014397.2406
Surface area
1.1641926897057E+18
Volume
5.1954132735096E+26
Height
772957933.47673