1621380421 is an odd 10-digits composite number following 1621380420
and preceding 1621380422 . In scientific notation, it is written as 1.621380421 × 10^9.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 1621207872 positive integers (up to 1621380421) that are relatively prime to 1621380421.
1621380421 has 4 divisors, whose sum is 1621552972
The reverse of 1621380421 is 1240831261
Previous prime number is 9973
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 28
Digital Root 1
Name
one billion six hundred twenty-one million three hundred eighty thousand four hundred twenty-one
Scientific notation
1.621380421 × 10^9
Engineering notation
1.621380421 × 10^9
Prime Factorization
9973 × 162577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1621380421
Product of the distinct prime numbers
The prime factorization of 1621380421 is 9973 × 162577.
Since it has a total of 2 prime factors.
2 , 9 , 47 , 68 , 662 , 682 , 1513 , 2961 , 89836 , 45838 , 608055 , 510334 , 1661747 , 4220640 , 69439869 , 2825567 , 766564567 , 562628595 , 8194197507 , 7568826260
n×2
3242760842
n×3
4864141263
n×4
6485521684
n×5
8106902105
n÷2
810690210.5
n÷3
540460140.33333
n÷3
405345105.25
n÷5
324276084.2
n2
2628874469602137241
n3
4.2624055942797E+27
n4
6.9109809769259E+36
n5
1.1205329245891E+46
2 √n
40266.368361202
3 √n
1174.7937881066
4 √n
200.66481595238
5 √n
69.498748625183
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
-1621380420
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 1621380421 can be divided by 4 positive divisors.
The sum of these divisors (counting 1621380421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000101001000100110101000101
3
Ternary
11011222220122210201
4
Quaternary
1200221010311011
5
Quinary
11310033133141
6
Senary
424515450501
8
Octal
14051046505
10
Decimal
1621380421
12
Duodecimal
392bb6a31
16
Hexadecimal
60a44d45
20
Vigesimal
156dcb11
36
Base36
qtbt51
md5
361bdf110f9438379dda8177f01158b6
sha1
d43bc32b1eb26c892a9cb5c025bf9ff6c2e1887c
sha256
cdac03ef7bfaa748b8e48bd7530c18ee5c8748787291ed8caa381d4b31dc669e
sha512
da35f96d1e57fdbfea2e18b402f135b789c63fcabc7200bd440123fb61433400ea43ce080ca3554bffaaea826be6c4289b21f52f1b185e141ab969c36d3fbf92
ripemd-160
0ad6835f8b0b5eb589979309df6d54886e2d1337
Diameter
3242760842
Circumference
10187433638.576
Area
8.2588527209118E+18
Volume
1.7854322802145E+28
Surface area
3.3035410883647E+19
Circumference
10187433638.576
Perimeter
6485521684
Area
2628874469602137241
Diagonal
2292978181.1444
Surface area
1.5773246817613E+19
Volume
4.2624055942797E+27
Space diagonal
2808313267.5694
Perimeter
4864141263
Area
1.1383360370179E+18
Altitude
1404156633.7847
Surface area
1.1383360370179E+18
Volume
5.023293166471E+26
Height
764326060.38147