2012809781 is an odd 10-digits composite number following 2012809780
and preceding 2012809782 . In scientific notation, it is written as 2.012809781 × 10^9.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 2012719500 positive integers (up to 2012809781) that are relatively prime to 2012809781.
2012809781 has 4 divisors, whose sum is 2012900064
The reverse of 2012809781 is 1879082102
Previous prime number is 40151
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
two billion twelve million eight hundred nine thousand seven hundred eighty-one
Scientific notation
2.012809781 × 10^9
Engineering notation
2.012809781 × 10^9
Prime Factorization
40151 × 50131
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2012809781
Product of the distinct prime numbers
The prime factorization of 2012809781 is 40151 × 50131.
Since it has a total of 2 prime factors.
8 , 5 , 70 , 77 , 150 , 22 , 3470 , 9900 , 31557 , 97473 , 464804 , 544923 , 8754486 , 8019810 , 82525967 , 44398685 , 917438104 , 484413750 , 2657540285 , 7674913830
n×2
4025619562
n×3
6038429343
n×4
8051239124
n×5
10064048905
n÷2
1006404890.5
n÷3
670936593.66667
n÷3
503202445.25
n÷5
402561956.2
n2
4051403214489267961
n3
8.1547040168988E+27
n4
1.6413868006374E+37
n5
3.3037994067272E+46
2 √n
44864.348663499
3 √n
1262.6052128896
4 √n
211.81205976879
5 √n
72.570572106518
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2012809780
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2012809781 can be divided by 4 positive divisors.
The sum of these divisors (counting 2012809781) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111111110010000101000110101
3
Ternary
12012021110022221102
4
Quaternary
1313332100220311
5
Quinary
13110234403111
6
Senary
531421255445
8
Octal
16776205065
10
Decimal
2012809781
12
Duodecimal
482104585
16
Hexadecimal
77f90a35
20
Vigesimal
1b901491
36
Base36
xadhyt
md5
02fc04d8ca3e0dc0582134a8cec568dd
sha1
9d3c316877b4562a32aeb4b78a269eef7858a185
sha256
f0785b7f1717b26c7eb3d120b62651999787aed0c25519398052d375f1443c39
sha512
f56d1660ef20d0b2144fcefbbe5603e435d83a321f2fed1812f80eb0dd08a6d22953195f5c62860f7ccbafe2f84f46cf5aa887e5b972a168a21b686159482fc4
ripemd-160
b73198aa253bb90b51b2f8f81ef729b2b2bdc4b2
Diameter
4025619562
Circumference
12646856842.127
Area
1.272785857537E+19
Volume
3.4158344308918E+28
Surface area
5.0911434301478E+19
Circumference
12646856842.127
Perimeter
8051239124
Area
4051403214489267961
Diagonal
2846542890.7674
Surface area
2.4308419286936E+19
Volume
8.1547040168988E+27
Space diagonal
3486288806.6636
Perimeter
6038429343
Area
1.7543090523608E+18
Altitude
1743144403.3318
Surface area
1.7543090523608E+18
Volume
9.6104108481972E+26
Height
948847630.25581