1981124356 is an even 10-digits composite number following 1981124355
and preceding 1981124357 . In scientific notation, it is written as 1.981124356 × 10^9.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 988960680 positive integers (up to 1981124356) that are relatively prime to 1981124356.
1981124356 has 12 divisors, whose sum is 3472572880
The reverse of 1981124356 is 6534211891
Previous prime number is 619
Is Prime? no
Number parity even
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion nine hundred eighty-one million one hundred twenty-four thousand three hundred fifty-six
Scientific notation
1.981124356 × 10^9
Engineering notation
1.981124356 × 10^9
Prime Factorization
2 × 2 × 619 × 800131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
990562178
Product of the distinct prime numbers
The prime factorization of 1981124356 is 2 × 2 × 619 × 800131.
Since it has a total of 4 prime factors.
5 , 1 , 38 , 14 , 894 , 408 , 902 , 7385 , 54450 , 55183 , 182441 , 452313 , 2756113 , 1253372 , 75394435 , 81865759 , 329907769 , 287335736 , 6449220104 , 5135442943
n×2
3962248712
n×3
5943373068
n×4
7924497424
n×5
9905621780
n÷2
990562178
n÷3
660374785.33333
n÷3
495281089
n÷5
396224871.2
n2
3924853713936414736
n3
7.7756232864165E+27
n4
1.54044766758E+37
n5
3.0518183933862E+46
2 √n
44509.823140516
3 √n
1255.9448778668
4 √n
210.9735128885
5 √n
72.340640131234
1 , 2 , 4 , 619 , 1238 , 2476 , 800131 , 1600262 , 3200524 , 495281089 , 990562178 , 1981124356
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1981124355
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981124356 can be divided by 12 positive divisors.
The sum of these divisors (counting 1981124356) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110000101011000111100000100
3
Ternary
12010001211112201011
4
Quaternary
1312011120330010
5
Quinary
13024131434411
6
Senary
524330212004
8
Octal
16605307404
10
Decimal
1981124356
12
Duodecimal
473584004
16
Hexadecimal
76158f04
20
Vigesimal
1aj20ahg
36
Base36
wridc4
md5
5f014e58bad75c46ba62c63ae738fca0
sha1
20b9dad8b947e183d11df4c9700209b5610f8c33
sha256
f2690855f859f04abf614e5350fdb922d79abf577b245b2916e5ba1295740ccc
sha512
8ff39252eb731a41497baa83c5ab55081a4315cccb6f2e4346e2247c0f43ab5bab6f8414b077e875ff2278715d5432fff4f7f0f27e6a253a87fc4f6832483fc7
ripemd-160
8685c8029f23b6977aa4535760b35cbadb93abf8
Diameter
3962248712
Circumference
12447771445.315
Area
1.2330291594117E+19
Volume
3.257045465825E+28
Surface area
4.9321166376469E+19
Circumference
12447771445.315
Perimeter
7924497424
Area
3924853713936414736
Diagonal
2801732933.0029
Surface area
2.3549122283618E+19
Volume
7.7756232864165E+27
Space diagonal
3431408040.7042
Perimeter
5943373068
Area
1.6995115112033E+18
Altitude
1715704020.3521
Surface area
1.6995115112033E+18
Volume
9.1636599229619E+26
Height
933910977.66762