1639691388 is an even 10-digits composite number following 1639691387
and preceding 1639691389 . In scientific notation, it is written as 1.639691388 × 10^9.
The sum of its digits is 54. It has a total of 5 prime factors and 18 positive divisors.
There are 546563784 positive integers (up to 1639691388) that are relatively prime to 1639691388.
1639691388 has 18 divisors, whose sum is 4144775544
The reverse of 1639691388 is 8831969361
Previous prime number is 3
Is Prime? no Number parity even 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 eighty-eight
Scientific notation
1.639691388 × 10^9
Engineering notation
1.639691388 × 10^9
Prime Factorization
2 × 2 × 3 × 3 × 45546983
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
273281898 Product of the distinct prime numbers
The prime factorization of 1639691388 is 2 × 2 × 3 × 3 × 45546983.
Since it has a total of 5 prime factors.
7 , 5 , 73 , 18 , 791 , 830 , 7427 , 5832 , 44478 , 79470 , 59813 , 391817 , 5394304 , 4389908 , 41567924 , 51310985 , 535366847 , 486002151 , 6148193110 , 9707655814
n×2
3279382776
n×3
4919074164
n×4
6558765552
n×5
8198456940
n÷2
819845694
n÷3
546563796
n÷3
409922847
n÷5
327938277.6
n2
2688587847881366544
n3
4.4084543400525E+27
n4
7.2285046157754E+36
n5
1.1852516766605E+46
2 √n40493.102968283
3 √n1179.1997322119
4 √n201.22898143231
5 √n69.655020300745
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 45546983 , 91093966 , 136640949 , 182187932 , 273281898 , 409922847 , 546563796 , 819845694 , 1639691388
18 divisors
τ Total Divisors
18 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1639691387 Sum of the proper positive divisors of n
A Arithmetic Mean
0.055555555555556 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
18 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1639691388 can be divided by 18 positive divisors.
The sum of these divisors (counting 1639691388) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1100001101110111011010001111100
3
Ternary
11020021100221201200
4
Quaternary
1201232323101330
5
Quinary
11324230111023
6
Senary
430412135500
8
Octal
14156732174
10
Decimal
1639691388
12
Duodecimal
399167590
16
Hexadecimal
61bbb47c
20
Vigesimal
15c81898
36
Base36
r489z0
md5
38c78cafe6a93694807b18edac417d20
sha1
5d1105ee4d6fe3bf80643eeb6facd52329786db9
sha256
19e35d72ed028630ea0d36dab32291c8bc41efd4d0e1d54b2e8d3ad9afd94b40
sha512
0e9e5a372b22bcb1503be785bfa12e2ae4c48a511a398a2d199f83529a6d80adff6653b79d8e182678f6a6878e333bb04b84511e73c231fb6301200ccb82d045
ripemd-160
e5b4c8eac90721ea01bc5ecd9e4f3fc25e960715
Diameter
3279382776
Circumference
10302484837.391
Area
8.4464478314349E+18
Volume
1.846609035786E+28
Surface area
3.378579132574E+19
Circumference
10302484837.391
Perimeter
6558765552
Area
2688587847881366544
Diagonal
2318873799.016
Surface area
1.6131527087288E+19
Volume
4.4084543400525E+27
Space diagonal
2840028792.7491
Perimeter
4919074164
Area
1.1641926882857E+18
Altitude
1420014396.3746
Surface area
1.1641926882857E+18
Volume
5.195413264004E+26
Height
772957933.00532