1639691379 is an odd 10-digits composite number following 1639691378
and preceding 1639691380 . In scientific notation, it is written as 1.639691379 × 10^9.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 1093127580 positive integers (up to 1639691379) that are relatively prime to 1639691379.
1639691379 has 4 divisors, whose sum is 1821879320
The reverse of 1639691379 is 9731969361
Previous prime number is 9
Is Prime? no Number parity odd Number length 10 Sum of Digits 54 Digital Root 9
Name
one billion six hundred thirty-nine million six hundred ninety-one thousand three hundred seventy-nine
Scientific notation
1.639691379 × 10^9
Engineering notation
1.639691379 × 10^9
Prime Factorization
9 × 182187931
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1639691379 Product of the distinct prime numbers
The prime factorization of 1639691379 is 9 × 182187931.
Since it has a total of 2 prime factors.
6 , 6 , 37 , 5 , 397 , 39 , 1433 , 8926 , 59883 , 61427 , 97277 , 514134 , 22624 , 1776174 , 10798756 , 5837275 , 438547950 , 97584463 , 672669052 , 1658661222
n×2
3279382758
n×3
4919074137
n×4
6558765516
n×5
8198456895
n÷2
819845689.5
n÷3
546563793
n÷3
409922844.75
n÷5
327938275.8
n2
2688587818366921641
n3
4.4084542674607E+27
n4
7.228504457071E+36
n5
1.1852516441322E+46
2 √n40493.102857153
3 √n1179.1997300544
4 √n201.22898115618
5 √n69.65502022428
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
-1639691378 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 1639691379 can be divided by 4 positive divisors.
The sum of these divisors (counting 1639691379) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001101110111011010001110011
3
Ternary
11020021100221201100
4
Quaternary
1201232323101303
5
Quinary
11324230111004
6
Senary
430412135443
8
Octal
14156732163
10
Decimal
1639691379
12
Duodecimal
399167583
16
Hexadecimal
61bbb473
20
Vigesimal
15c8188j
36
Base36
r489yr
md5
43f7a348b89f4bafafd33380cc775b0d
sha1
4f370044bc44c1ce0b1a2b845c55c0574c7c1953
sha256
4c5381bb71758b361db2f16a39c61e43d9b877ff748eb319a5fa108e6a4c3dd5
sha512
371529212881bd09d338af65275a6ba13b6f4991db6b6f4db8b9ee095ba7a280cc5bca59fafa37db11964460b37e7fcbe7eeb23267e3cfe1632b25f8ea653317
ripemd-160
e96d63c7a88dc56e27c3ee4bbe685773068aec88
Diameter
3279382758
Circumference
10302484780.842
Area
8.4464477387125E+18
Volume
1.8466090053788E+28
Surface area
3.378579095485E+19
Circumference
10302484780.842
Perimeter
6558765516
Area
2688587818366921641
Diagonal
2318873786.288
Surface area
1.6131526910202E+19
Volume
4.4084542674607E+27
Space diagonal
2840028777.1607
Perimeter
4919074137
Area
1.1641926755056E+18
Altitude
1420014388.5803
Surface area
1.1641926755056E+18
Volume
5.1954131784537E+26
Height
772957928.76268