1621981304 is an even 10-digits composite number following 1621981303
and preceding 1621981305 . In scientific notation, it is written as 1.621981304 × 10^9.
The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors.
There are 810990648 positive integers (up to 1621981304) that are relatively prime to 1621981304.
1621981304 has 8 divisors, whose sum is 3041214960
The reverse of 1621981304 is 4031891261
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion six hundred twenty-one million nine hundred eighty-one thousand three hundred four
Scientific notation
1.621981304 × 10^9
Engineering notation
1.621981304 × 10^9
Prime Factorization
2 × 2 × 2 × 202747663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
405495326
Product of the distinct prime numbers
The prime factorization of 1621981304 is 2 × 2 × 2 × 202747663.
Since it has a total of 4 prime factors.
3 , 1 , 94 , 24 , 758 , 440 , 3112 , 5963 , 55903 , 44796 , 736819 , 248117 , 865701 , 5362278 , 78023537 , 85076337 , 961460799 , 827395805 , 2939396183 , 7578419343
n×2
3243962608
n×3
4865943912
n×4
6487925216
n×5
8109906520
n÷2
810990652
n÷3
540660434.66667
n÷3
405495326
n÷5
324396260.8
n2
2630823350525540416
n3
4.2671462886791E+27
n4
6.9212315016704E+36
n5
1.1226108096365E+46
2 √n
40273.829020842
3 √n
1174.938896234
4 √n
200.6834049463
5 √n
69.503899103975
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
-1621981303
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 1621981304 can be divided by 8 positive divisors.
The sum of these divisors (counting 1621981304) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000101011010111100001111000
3
Ternary
11012001001012001122
4
Quaternary
1200223113201320
5
Quinary
11310211400204
6
Senary
424540404412
8
Octal
14053274170
10
Decimal
1621981304
12
Duodecimal
393246708
16
Hexadecimal
60ad7878
20
Vigesimal
156h7d54
36
Base36
qtoos8
md5
5298090cac311d3224d140eb2afb2ed2
sha1
8789ab6b418b9e79276de222a7019da699a3adb9
sha256
6551d2c98bc2a87e4c38f18681bbdf21b7c7593886aa6ce3664773bbaeb9ff14
sha512
274d20e24953b902ab1447047fd3d2855bbf883d7ed39247a15d0537766425420131645c438e211b0191412a1f572ab8fa73b416939e4569736de1776908a28f
ripemd-160
8b81053cf78de08de10ab60a3bad4fb78591e39e
Diameter
3243962608
Circumference
10191209097.813
Area
8.2649753109035E+18
Volume
1.7874180576409E+28
Surface area
3.3059901243614E+19
Circumference
10191209097.813
Perimeter
6487925216
Area
2630823350525540416
Diagonal
2293827958.0324
Surface area
1.5784940103153E+19
Volume
4.2671462886791E+27
Space diagonal
2809354027.4548
Perimeter
4865943912
Area
1.1391799272122E+18
Altitude
1404677013.7274
Surface area
1.1391799272122E+18
Volume
5.0288801284E+26
Height
764609319.34413