1982487981 is an odd 10-digits composite number following 1982487980
and preceding 1982487982 . In scientific notation, it is written as 1.982487981 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 1318170672 positive integers (up to 1982487981) that are relatively prime to 1982487981.
1982487981 has 8 divisors, whose sum is 2650293280
The reverse of 1982487981 is 1897842891
Previous prime number is 379
Is Prime? no Number parity odd Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion nine hundred eighty-two million four hundred eighty-seven thousand nine hundred eighty-one
Scientific notation
1.982487981 × 10^9
Engineering notation
1.982487981 × 10^9
Prime Factorization
3 × 379 × 1743613
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1982487981 Product of the distinct prime numbers
The prime factorization of 1982487981 is 3 × 379 × 1743613.
Since it has a total of 3 prime factors.
4 , 1 , 57 , 64 , 855 , 741 , 7045 , 8276 , 91565 , 54586 , 488596 , 228697 , 7176801 , 5862243 , 41570747 , 64089506 , 554106849 , 996908796 , 4698866107 , 4681039630
n×2
3964975962
n×3
5947463943
n×4
7929951924
n×5
9912439905
n÷2
991243990.5
n÷3
660829327
n÷3
495621995.25
n÷5
396497596.2
n2
3930258594809456361
n3
7.7916904264317E+27
n4
1.5446932622074E+37
n5
3.0623358266578E+46
2 √n44525.138753293
3 √n1256.2329710125
4 √n211.00980724434
5 √n72.350595927991
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
-1982487980 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 1982487981 can be divided by 8 positive divisors.
The sum of these divisors (counting 1982487981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110001010100101110110101101
3
Ternary
12010011101211020210
4
Quaternary
1312022211312231
5
Quinary
13030004103411
6
Senary
524415333033
8
Octal
16612456655
10
Decimal
1982487981
12
Duodecimal
473b21179
16
Hexadecimal
762a5dad
20
Vigesimal
1ajaajj1
36
Base36
wsblil
md5
4480943c3943516c0597e229fd75b33f
sha1
15ae29a11ca3c97e75ddd92d5d958f0170f2d5a2
sha256
c918677750e1ded46f484b4db64d93c407a6276246f4c9137fdcbb8518e65870
sha512
07c104cf9b8cfeeb31bab5b942d5decb50b567bad48c3555d44c8fa7ba67a27d0f4a4ac54b0e54cf2b946c95d6e6f0be961c3920029047c7a704574e33a3084b
ripemd-160
dc2c3451c0854a5818436622394fb33ddd2d68d1
Diameter
3964975962
Circumference
12456339353.879
Area
1.2347271528162E+19
Volume
3.2637756536965E+28
Surface area
4.9389086112646E+19
Circumference
12456339353.879
Perimeter
7929951924
Area
3930258594809456361
Diagonal
2803661389.9719
Surface area
2.3581551568857E+19
Volume
7.7916904264317E+27
Space diagonal
3433769908.4866
Perimeter
5947463943
Area
1.7018518932736E+18
Altitude
1716884954.2433
Surface area
1.7018518932736E+18
Volume
9.1825952290603E+26
Height
934553796.65728