1994842661 is an odd 10-digits composite number following 1994842660
and preceding 1994842662 . In scientific notation, it is written as 1.994842661 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 1619872128 positive integers (up to 1994842661) that are relatively prime to 1994842661.
1994842661 has 8 divisors, whose sum is 2399810880
The reverse of 1994842661 is 1662484991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred ninety-four million eight hundred forty-two thousand six hundred sixty-one
Scientific notation
1.994842661 × 10^9
Engineering notation
1.994842661 × 10^9
Prime Factorization
19 × 7 × 14998817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1994842661
Product of the distinct prime numbers
The prime factorization of 1994842661 is 19 × 7 × 14998817.
Since it has a total of 3 prime factors.
5 , 1 , 36 , 44 , 440 , 361 , 5459 , 6707 , 790 , 21237 , 47239 , 195732 , 3447994 , 2323099 , 41891415 , 51120820 , 388208373 , 872846902 , 827797142 , 9150324584
n×2
3989685322
n×3
5984527983
n×4
7979370644
n×5
9974213305
n÷2
997421330.5
n÷3
664947553.66667
n÷3
498710665.25
n÷5
398968532.2
n2
3979397242145560921
n3
7.9382713836977E+27
n4
1.5835602410796E+37
n5
3.158953525169E+46
2 √n
44663.661527018
3 √n
1258.8371443543
4 √n
211.33779010631
5 √n
72.44054840816
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
-1994842660
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 1994842661 can be divided by 8 positive divisors.
The sum of these divisors (counting 1994842661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110111001101110001000100101
3
Ternary
12011000122111200112
4
Quaternary
1312321232020211
5
Quinary
13041134431121
6
Senary
525540222405
8
Octal
16671561045
10
Decimal
1994842661
12
Duodecimal
47809aa05
16
Hexadecimal
76e6e225
20
Vigesimal
1b37f6d1
36
Base36
wzoeg5
md5
1fd462be0490b72a3bee0b8c346d824e
sha1
173ca82cdbb8f9a41c55dec5786b17f5d2740174
sha256
3ff1f2692c5e64846fd9c2ecb07f40779fa91835a62e6c696da499ce8df1c74c
sha512
dc1e873a04812df33478daf5855cd6563657e2e56ae726890f69b620561f67b5061102071aca40329faaaa06ba9f819286e9446abb8479e48080475349cb731f
ripemd-160
24ef150387ad195423539019fce33632eb88f5cc
Diameter
3989685322
Circumference
12533966097.73
Area
1.250164514164E+19
Volume
3.3251753414969E+28
Surface area
5.000658056656E+19
Circumference
12533966097.73
Perimeter
7979370644
Area
3979397242145560921
Diagonal
2821133545.9866
Surface area
2.3876383452873E+19
Volume
7.9382713836977E+27
Space diagonal
3455168841.9579
Perimeter
5984527983
Area
1.7231295517239E+18
Altitude
1727584420.9789
Surface area
1.7231295517239E+18
Volume
9.355342543853E+26
Height
940377848.66221