1946371981 is an odd 10-digits composite number following 1946371980
and preceding 1946371982 . In scientific notation, it is written as 1.946371981 × 10^9.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 1946214432 positive integers (up to 1946371981) that are relatively prime to 1946371981.
1946371981 has 4 divisors, whose sum is 1946529532
The reverse of 1946371981 is 1891736491
Previous prime number is 13513
Is Prime? no Number parity odd Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion nine hundred forty-six million three hundred seventy-one thousand nine hundred eighty-one
Scientific notation
1.946371981 × 10^9
Engineering notation
1.946371981 × 10^9
Prime Factorization
13513 × 144037
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1946371981 Product of the distinct prime numbers
The prime factorization of 1946371981 is 13513 × 144037.
Since it has a total of 2 prime factors.
9 , 1 , 9 , 3 , 428 , 45 , 5371 , 9924 , 97303 , 49461 , 716501 , 842800 , 3255232 , 7175669 , 32672200 , 30465328 , 167670738 , 494422985 , 6796500499 , 9419097285
n×2
3892743962
n×3
5839115943
n×4
7785487924
n×5
9731859905
n÷2
973185990.5
n÷3
648790660.33333
n÷3
486592995.25
n÷5
389274396.2
n2
3788363888421864361
n3
7.3735653262565E+27
n4
1.4351700951099E+37
n5
2.793374861091E+46
2 √n44117.705980706
3 √n1248.5576923857
4 √n210.04215286629
5 √n72.085044155201
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
-1946371980 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 1946371981 can be divided by 4 positive divisors.
The sum of these divisors (counting 1946371981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100000000110100011110001101
3
Ternary
12000122102221102011
4
Quaternary
1310000310132031
5
Quinary
12441232400411
6
Senary
521045301221
8
Octal
16400643615
10
Decimal
1946371981
12
Duodecimal
463a04811
16
Hexadecimal
7403478d
20
Vigesimal
1a84g9j1
36
Base36
w6ti8d
md5
1ef61c8bfdaf6e31b1f4fbefd9138c3e
sha1
b8135540698e70ecee0b54c8c1e35d93e83e5293
sha256
32f88c33f6bf742aee67800ddc08218ff4b60790ccdefe5c761f4843704b0c6a
sha512
1ed191a49cdfb67ceda749ba4f1eb35d8de8956a4d80e8c2285292d4b135ad8eb67be3a4df3ac87ec481fe67b049c61b67ed74332c3a62ca45e33bdf384bf6dd
ripemd-160
c0908b8e026335d6bd738fe9c55266f41030c05a
Diameter
3892743962
Circumference
12229415833.325
Area
1.1901496160991E+19
Volume
3.0886318212976E+28
Surface area
4.7605984643964E+19
Circumference
12229415833.325
Perimeter
7785487924
Area
3788363888421864361
Diagonal
2752585652.9532
Surface area
2.2730183330531E+19
Volume
7.3735653262565E+27
Space diagonal
3371215161.5205
Perimeter
5839115943
Area
1.6404096830765E+18
Altitude
1685607580.7602
Surface area
1.6404096830765E+18
Volume
8.6898300728633E+26
Height
917528550.9844