1981444089 is an odd 10-digits composite number following 1981444088
and preceding 1981444090 . In scientific notation, it is written as 1.981444089 × 10^9.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 1197009792 positive integers (up to 1981444089) that are relatively prime to 1981444089.
1981444089 has 24 divisors, whose sum is 2907187360
The reverse of 1981444089 is 9804441891
Previous prime number is 23
Is Prime? no Number parity odd Number length 10 Sum of Digits 48 Digital Root 3
Name
one billion nine hundred eighty-one million four hundred forty-four thousand eighty-nine
Scientific notation
1.981444089 × 10^9
Engineering notation
1.981444089 × 10^9
Prime Factorization
23 × 3 × 19 × 23 × 65713
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
86149743 Product of the distinct prime numbers
The prime factorization of 1981444089 is 23 × 3 × 19 × 23 × 65713.
Since it has a total of 5 prime factors.
9 , 2 , 43 , 100 , 44 , 548 , 9101 , 7971 , 90465 , 96854 , 873653 , 433778 , 427534 , 9612933 , 92835479 , 45466260 , 399210642 , 234861929 , 9084158507 , 5618628508
n×2
3962888178
n×3
5944332267
n×4
7925776356
n×5
9907220445
n÷2
990722044.5
n÷3
660481363
n÷3
495361022.25
n÷5
396288817.8
n2
3926120677833039921
n3
7.779388609793E+27
n4
1.5414423576908E+37
n5
3.0542818481807E+46
2 √n44513.414708378
3 √n1256.0124397408
4 √n210.98202460963
5 √n72.342974986874
1 , 3 , 19 , 23 , 57 , 69 , 437 , 529 , 1311 , 1587 , 10051 , 30153 , 65713 , 197139 , 1248547 , 1511399 , 3745641 , 4534197 , 28716581 , 34762177 , 86149743 , 104286531 , 660481363 , 1981444089
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1981444088 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981444089 can be divided by 24 positive divisors.
The sum of these divisors (counting 1981444089) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110000110100110111111111001
3
Ternary
12010002102210022010
4
Quaternary
1312012212333321
5
Quinary
13024222202324
6
Senary
524341120133
8
Octal
16606467771
10
Decimal
1981444089
12
Duodecimal
4736b9049
16
Hexadecimal
761a6ff9
20
Vigesimal
1aj40a49
36
Base36
wrp81l
md5
384bd3969393b16a1afe29f7ba9712f0
sha1
9bfd04f1be332531c363658a27033d5970deb358
sha256
0208f67d68fe0d1724a376360d7088eeb44dcb69614ff0809505143054b129f7
sha512
476b9b5345a70be38a8fa89539fe1f6fc1dc78c01e97b8848acb55dba76bc44e4d208199f786e08a094f44a3bae8c571e3c8ea4fead7bd91143e1342eb7dd243
ripemd-160
58e66d35e76d81622167ccafd803a7ba76fb850b
Diameter
3962888178
Circumference
12449780387.003
Area
1.2334271878587E+19
Volume
3.2586226807928E+28
Surface area
4.9337087514349E+19
Circumference
12449780387.003
Perimeter
7925776356
Area
3926120677833039921
Diagonal
2802185103.7478
Surface area
2.3556724066998E+19
Volume
7.779388609793E+27
Space diagonal
3431961834.505
Perimeter
5944332267
Area
1.7000601226634E+18
Altitude
1715980917.2525
Surface area
1.7000601226634E+18
Volume
9.1680973991166E+26
Height
934061701.24927