1981811822 is an even 10-digits composite number following 1981811821
and preceding 1981811823 . In scientific notation, it is written as 1.981811822 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 932617312 positive integers (up to 1981811822) that are relatively prime to 1981811822.
1981811822 has 8 divisors, whose sum is 3147583536
The reverse of 1981811822 is 2281181891
Previous prime number is 17
Is Prime? no
Number parity even
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion nine hundred eighty-one million eight hundred eleven thousand eight hundred twenty-two
Scientific notation
1.981811822 × 10^9
Engineering notation
1.981811822 × 10^9
Prime Factorization
2 × 17 × 58288583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1981811822
Product of the distinct prime numbers
The prime factorization of 1981811822 is 2 × 17 × 58288583.
Since it has a total of 3 prime factors.
1 , 5 , 66 , 27 , 633 , 320 , 2280 , 4265 , 50953 , 8096 , 458973 , 168462 , 220888 , 1906123 , 72349559 , 18654515 , 339959984 , 736757056 , 7660763601 , 3668283842
n×2
3963623644
n×3
5945435466
n×4
7927247288
n×5
9909059110
n÷2
990905911
n÷3
660603940.66667
n÷3
495452955.5
n÷5
396362364.4
n2
3927578097818959684
n3
7.7837207060859E+27
n4
1.5425869714467E+37
n5
3.0571170964763E+46
2 √n
44517.545103027
3 √n
1256.0901353728
4 √n
210.99181288151
5 √n
72.345659990676
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
-1981811821
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 1981811822 can be divided by 8 positive divisors.
The sum of these divisors (counting 1981811822) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110001000000000110001101110
3
Ternary
12010010010110201212
4
Quaternary
1312020000301232
5
Quinary
13024320434242
6
Senary
524353034422
8
Octal
16610006156
10
Decimal
1981811822
12
Duodecimal
473855a12
16
Hexadecimal
76200c6e
20
Vigesimal
1aj669b2
36
Base36
wrx3se
md5
595f18af07261fd97542733af223a193
sha1
172355fc055a37122b1aad8e59428c3fb06a44e0
sha256
c90ca9dcda6043ec4ec20cda594e909254d3d641b8631a33c121b2847344dfc4
sha512
caa983f30673641531dee25abbffd2b34c16c6f66b4b8f9a3ad78cd62a986ca6d39775e5ea92e0ecda1dea624c15c932bba8d8e35964c96354599a9bbcba6a2c
ripemd-160
db9993c05cf8f5220a03df6fa2bc2e9ed12b953e
Diameter
3963623644
Circumference
12452090921.585
Area
1.2338850498508E+19
Volume
3.2604373050446E+28
Surface area
4.9355401994033E+19
Circumference
12452090921.585
Perimeter
7927247288
Area
3927578097818959684
Diagonal
2802705156.7437
Surface area
2.3565468586914E+19
Volume
7.7837207060859E+27
Space diagonal
3432598766.7446
Perimeter
5945435466
Area
1.7006912040293E+18
Altitude
1716299383.3723
Surface area
1.7006912040293E+18
Volume
9.1732028235591E+26
Height
934235052.24791