1639691391 is an odd 10-digits composite number following 1639691390
and preceding 1639691392 . In scientific notation, it is written as 1.639691391 × 10^9.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 1009040832 positive integers (up to 1639691391) that are relatively prime to 1639691391.
1639691391 has 4 divisors, whose sum is 1681734800
The reverse of 1639691391 is 1931969361
Previous prime number is 39
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion six hundred thirty-nine million six hundred ninety-one thousand three hundred ninety-one
Scientific notation
1.639691391 × 10^9
Engineering notation
1.639691391 × 10^9
Prime Factorization
39 × 42043369
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1639691391
Product of the distinct prime numbers
The prime factorization of 1639691391 is 39 × 42043369.
Since it has a total of 2 prime factors.
10 , 9 , 91 , 29 , 924 , 109 , 3489 , 154 , 57701 , 18843 , 284288 , 298520 , 6057292 , 2522395 , 15081446 , 3353093 , 502618963 , 489844114 , 801608844 , 9924334501
n×2
3279382782
n×3
4919074173
n×4
6558765564
n×5
8198456955
n÷2
819845695.5
n÷3
546563797
n÷3
409922847.75
n÷5
327938278.2
n2
2688587857719514881
n3
4.4084543642498E+27
n4
7.2285046686768E+36
n5
1.1852516875033E+46
2 √n
40493.103005327
3 √n
1179.199732931
4 √n
201.22898152435
5 √n
69.655020326233
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
-1639691390
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 1639691391 can be divided by 4 positive divisors.
The sum of these divisors (counting 1639691391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001101110111011010001111111
3
Ternary
11020021100221201210
4
Quaternary
1201232323101333
5
Quinary
11324230111031
6
Senary
430412135503
8
Octal
14156732177
10
Decimal
1639691391
12
Duodecimal
399167593
16
Hexadecimal
61bbb47f
20
Vigesimal
15c8189b
36
Base36
r489z3
md5
7a885b63c4d9c880cb76e82f81a99e21
sha1
e28a424b4f1dcf788a74b50abd93e6864850360f
sha256
8687975a67ac0bcd384e8d8433052a527a877c2005e022e2d484e0f0094df9cb
sha512
e43ac14c5b5cc9860b0a71feaba0e16b348f36c22e78ab78fce2d3473bc42bfe5346b08dd83e2c9f8eea3ff70e47aa71345f515fe88edaa28914ce7a4d33b3b5
ripemd-160
f4a78b784026aece986bcee6940d374de633f092
Diameter
3279382782
Circumference
10302484856.24
Area
8.4464478623423E+18
Volume
1.8466090459217E+28
Surface area
3.3785791449369E+19
Circumference
10302484856.24
Perimeter
6558765564
Area
2688587857719514881
Diagonal
2318873803.2586
Surface area
1.6131527146317E+19
Volume
4.4084543642498E+27
Space diagonal
2840028797.9453
Perimeter
4919074173
Area
1.1641926925457E+18
Altitude
1420014398.9726
Surface area
1.1641926925457E+18
Volume
5.1954132925208E+26
Height
772957934.41954