1997758445 is an odd 10-digits composite number following 1997758444
and preceding 1997758446 . In scientific notation, it is written as 1.997758445 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 1597594624 positive integers (up to 1997758445) that are relatively prime to 1997758445.
1997758445 has 8 divisors, whose sum is 2398228344
The reverse of 1997758445 is 5448577991
Previous prime number is 2657
Is Prime? no Number parity odd Number length 10 Sum of Digits 59 Digital Root 5
Name
one billion nine hundred ninety-seven million seven hundred fifty-eight thousand four hundred forty-five
Scientific notation
1.997758445 × 10^9
Engineering notation
1.997758445 × 10^9
Prime Factorization
5 × 2657 × 150377
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1997758445 Product of the distinct prime numbers
The prime factorization of 1997758445 is 5 × 2657 × 150377.
Since it has a total of 3 prime factors.
5 , 8 , 16 , 42 , 642 , 791 , 747 , 3322 , 72418 , 56584 , 892433 , 12918 , 4756303 , 5727651 , 43403264 , 24978141 , 886389346 , 607671154 , 203777610 , 3928446084
n×2
3995516890
n×3
5993275335
n×4
7991033780
n×5
9988792225
n÷2
998879222.5
n÷3
665919481.66667
n÷3
499439611.25
n÷5
399551689
n2
3991038804568818025
n3
7.9731314761501E+27
n4
1.5928390739574E+37
n5
3.1821077115244E+46
2 √n44696.291177233
3 √n1259.4501768816
4 √n211.41497387185
5 √n72.461712744667
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1997758444 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997758445 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997758445) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000100110101111111101101
3
Ternary
12011020010122101112
4
Quaternary
1313010311333231
5
Quinary
13042411232240
6
Senary
530122521405
8
Octal
16704657755
10
Decimal
1997758445
12
Duodecimal
479066265
16
Hexadecimal
77135fed
20
Vigesimal
1b45jg25
36
Base36
x1ewa5
md5
3cf18697fd6d61d8bef227b22d08d1e2
sha1
9c729b66bc7c53d5e4bfef0b87d4a195a9f81d7d
sha256
daa3471e447f2d735980cc7ddb4bd18271fd47b402269a306a33cd0bdacc799f
sha512
1a528add0069a2b68a19150cd9b35bf1ac440f6373238e1f6f1c7d57edab6f8dd3611c204f2fb11d241809bcde00195c001efbaf2ae117e3ca98ce79e0a15e29
ripemd-160
0efb86f9e37546aa0b6114cbc241db676a65d102
Diameter
3995516890
Circumference
12552286508.918
Area
1.2538218188625E+19
Volume
3.3397775028771E+28
Surface area
5.0152872754501E+19
Circumference
12552286508.918
Perimeter
7991033780
Area
3991038804568818025
Diagonal
2825257087.2644
Surface area
2.3946232827413E+19
Volume
7.9731314761501E+27
Space diagonal
3460219127.9898
Perimeter
5993275335
Area
1.728170496123E+18
Altitude
1730109563.9949
Surface area
1.728170496123E+18
Volume
9.396425556796E+26
Height
941752362.42146