1989968590 is an even 10-digits composite number following 1989968589
and preceding 1989968591 . In scientific notation, it is written as 1.989968590 × 10^9.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 795987432 positive integers (up to 1989968590) that are relatively prime to 1989968590.
1989968590 has 8 divisors, whose sum is 3581943480
The reverse of 1989968590 is 0958699891
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion nine hundred eighty-nine million nine hundred sixty-eight thousand five hundred ninety
Scientific notation
1.989968590 × 10^9
Engineering notation
1.989968590 × 10^9
Prime Factorization
2 × 5 × 198996859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1989968590
Product of the distinct prime numbers
The prime factorization of 1989968590 is 2 × 5 × 198996859.
Since it has a total of 3 prime factors.
7 , 8 , 50 , 18 , 166 , 827 , 5084 , 22 , 22924 , 43441 , 603294 , 255696 , 7336303 , 9086668 , 64645986 , 86071180 , 361984243 , 610253326 , 9521640593 , 3205050406
n×2
3979937180
n×3
5969905770
n×4
7959874360
n×5
9949842950
n÷2
994984295
n÷3
663322863.33333
n÷3
497492147.5
n÷5
397993718
n2
3959974989186588100
n3
7.8802258456669E+27
n4
1.5681401914983E+37
n5
3.1205497257983E+46
2 √n
44609.063989284
3 √n
1257.8110541444
4 √n
211.20857934583
5 √n
72.405114439608
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
-1989968589
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 1989968590 can be divided by 8 positive divisors.
The sum of these divisors (counting 1989968590) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110100111001000001011001110
3
Ternary
12010200110212201101
4
Quaternary
1312213020023032
5
Quinary
13033412443330
6
Senary
525243533314
8
Octal
16647101316
10
Decimal
1989968590
12
Duodecimal
47652a23a
16
Hexadecimal
769c82ce
20
Vigesimal
1b1h619a
36
Base36
wwrxla
md5
1c27d711ecec6218adf8c8d94449ec4d
sha1
451ea923b1eef7a4e8afc1c99dee4dcb9a235c7d
sha256
bae3c207e104a19c9275b0dc08b01709769f65458f97bf1f8c73fe205f175786
sha512
2023a5f7cb8bb24b4e8161f8682bb69797bf9d3edb6bdbf59b8a7fb959c17e3593257d5a6985784d7b3e70a332641f1f65bc569e9a43cf5e5d67661b40aaba86
ripemd-160
9cf0ccb37530065dad8c8733cda35964ee291df4
Diameter
3979937180
Circumference
12503341406.437
Area
1.2440628334428E+19
Volume
3.3008612833834E+28
Surface area
4.9762513337712E+19
Circumference
12503341406.437
Perimeter
7959874360
Area
3959974989186588100
Diagonal
2814240568.6745
Surface area
2.375984993512E+19
Volume
7.8802258456669E+27
Space diagonal
3446726703.3462
Perimeter
5969905770
Area
1.7147194694933E+18
Altitude
1723363351.6731
Surface area
1.7147194694933E+18
Volume
9.2869352212543E+26
Height
938080189.55816