1621347985 is an odd 10-digits composite number following 1621347984
and preceding 1621347986 . In scientific notation, it is written as 1.621347985 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 1288949760 positive integers (up to 1621347985) that are relatively prime to 1621347985.
1621347985 has 16 divisors, whose sum is 1957847760
The reverse of 1621347985 is 5897431261
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion six hundred twenty-one million three hundred forty-seven thousand nine hundred eighty-five
Scientific notation
1.621347985 × 10^9
Engineering notation
1.621347985 × 10^9
Prime Factorization
5 × 593 × 241 × 2269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1621347985
Product of the distinct prime numbers
The prime factorization of 1621347985 is 5 × 593 × 241 × 2269.
Since it has a total of 4 prime factors.
3 , 2 , 95 , 95 , 996 , 174 , 5425 , 7289 , 29187 , 30190 , 191973 , 219067 , 4655272 , 4659073 , 22786862 , 14462451 , 713089822 , 844349996 , 74054342 , 2944642627
n×2
3242695970
n×3
4864043955
n×4
6485391940
n×5
8106739925
n÷2
810673992.5
n÷3
540449328.33333
n÷3
405336996.25
n÷5
324269597
n2
2628769288463560225
n3
4.2621497888803E+27
n4
6.9104279719692E+36
n5
1.120420846784E+46
2 √n
40265.965591303
3 √n
1174.785954069
4 √n
200.66381236113
5 √n
69.498470556024
1 , 5 , 241 , 593 , 1205 , 2269 , 2965 , 11345 , 142913 , 546829 , 714565 , 1345517 , 2734145 , 6727585 , 324269597 , 1621347985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1621347984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1621347985 can be divided by 16 positive divisors.
The sum of these divisors (counting 1621347985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100000101000111100111010010001
3
Ternary
11011222212000022101
4
Quaternary
1200220330322101
5
Quinary
11310031113420
6
Senary
424515040401
8
Octal
14050747221
10
Decimal
1621347985
12
Duodecimal
392ba0101
16
Hexadecimal
60a3ce91
20
Vigesimal
156d89j5
36
Base36
qtb441
md5
085347e75c13ecb3a0f9bf02d041be92
sha1
1c95de81205b7f42f326e997b3be53991deb2dee
sha256
3190d93a573b36cb495345fdcc5d67864fe4f6628d79c9c504bb445a3459e1b6
sha512
593844e73c3ff4f50e1bcbcb9de0bc8f234a9e300b50ff19bb8eaa16336b20b2acbb9bd7fc5d26624582c5e437dc9d73d40d2f823c404fce6ddc9163e261ce65
ripemd-160
96d4c5a418327bc1188bb16333aa382bdc3a6266
Diameter
3242695970
Circumference
10187229837.177
Area
8.2585222846196E+18
Volume
1.7853251286994E+28
Surface area
3.3034089138478E+19
Circumference
10187229837.177
Perimeter
6485391940
Area
2628769288463560225
Diagonal
2292932309.7133
Surface area
1.5772615730781E+19
Volume
4.2621497888803E+27
Space diagonal
2808257086.7694
Perimeter
4864043955
Area
1.1382904922489E+18
Altitude
1404128543.3847
Surface area
1.1382904922489E+18
Volume
5.0229916969168E+26
Height
764310769.90443