1989968591 is an odd 10-digits composite number following 1989968590
and preceding 1989968592 . In scientific notation, it is written as 1.989968591 × 10^9.
The sum of its digits is 65. It has a total of 3 prime factors and 8 positive divisors.
There are 1740215232 positive integers (up to 1989968591) that are relatively prime to 1989968591.
1989968591 has 8 divisors, whose sum is 2255835120
The reverse of 1989968591 is 1958699891
Previous prime number is 19
Is Prime? no Number parity odd Number length 10 Sum of Digits 65 Digital Root 2
Name
one billion nine hundred eighty-nine million nine hundred sixty-eight thousand five hundred ninety-one
Scientific notation
1.989968591 × 10^9
Engineering notation
1.989968591 × 10^9
Prime Factorization
13 × 19 × 8056553
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1989968591 Product of the distinct prime numbers
The prime factorization of 1989968591 is 13 × 19 × 8056553.
Since it has a total of 3 prime factors.
8 , 3 , 51 , 45 , 223 , 2 , 7234 , 3421 , 82347 , 29579 , 409015 , 458048 , 3803113 , 5359087 , 78792701 , 27071886 , 309877168 , 581270326 , 3360400685 , 6151835788
n×2
3979937182
n×3
5969905773
n×4
7959874364
n×5
9949842955
n÷2
994984295.5
n÷3
663322863.66667
n÷3
497492147.75
n÷5
397993718.2
n2
3959974993166525281
n3
7.8802258575468E+27
n4
1.5681401946504E+37
n5
3.120549733639E+46
2 √n44609.064000492
3 √n1257.8110543551
4 √n211.20857937236
5 √n72.405114446885
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
-1989968590 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 1989968591 can be divided by 8 positive divisors.
The sum of these divisors (counting 1989968591) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110100111001000001011001111
3
Ternary
12010200110212201102
4
Quaternary
1312213020023033
5
Quinary
13033412443331
6
Senary
525243533315
8
Octal
16647101317
10
Decimal
1989968591
12
Duodecimal
47652a23b
16
Hexadecimal
769c82cf
20
Vigesimal
1b1h619b
36
Base36
wwrxlb
md5
47b98816e0300f191d8a70b47f840fb6
sha1
d6342647f3f9d8e81d75e84c7bc7ae2c3fcc7eb7
sha256
dd7fc9c4933845c39e99b9a18457cc1b89d4ea275f8513c4bab8089224277ea0
sha512
15024d9626d763229192bc8fad61afab422daa7039009ec4c22c9bb246cbd954795d807137bafcdb79a613003a831f12b3f1fc3ff616f46cef97ada5b72cebb0
ripemd-160
561597c6436d0fe17e97a937974207f296c168f4
Diameter
3979937182
Circumference
12503341412.72
Area
1.2440628346931E+19
Volume
3.3008612883597E+28
Surface area
4.9762513387725E+19
Circumference
12503341412.72
Perimeter
7959874364
Area
3959974993166525281
Diagonal
2814240570.0887
Surface area
2.3759849958999E+19
Volume
7.8802258575468E+27
Space diagonal
3446726705.0783
Perimeter
5969905773
Area
1.7147194712167E+18
Altitude
1723363352.5391
Surface area
1.7147194712167E+18
Volume
9.2869352352549E+26
Height
938080190.02956