1621368654 is an even 10-digits composite number following 1621368653
and preceding 1621368655 . In scientific notation, it is written as 1.621368654 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 531596160 positive integers (up to 1621368654) that are relatively prime to 1621368654.
1621368654 has 16 divisors, whose sum is 3295897680
The reverse of 1621368654 is 4568631261
Previous prime number is 61
Is Prime? no
Number parity even
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion six hundred twenty-one million three hundred sixty-eight thousand six hundred fifty-four
Scientific notation
1.621368654 × 10^9
Engineering notation
1.621368654 × 10^9
Prime Factorization
2 × 3 × 61 × 4429969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1621368654
Product of the distinct prime numbers
The prime factorization of 1621368654 is 2 × 3 × 61 × 4429969.
Since it has a total of 4 prime factors.
4 , 4 , 54 , 12 , 720 , 146 , 9864 , 2238 , 8012 , 5014 , 635122 , 542180 , 8518821 , 2396840 , 5859173 , 20814641 , 102022386 , 479302595 , 31433976 , 1074398849
n×2
3242737308
n×3
4864105962
n×4
6485474616
n×5
8106843270
n÷2
810684327
n÷3
540456218
n÷3
405342163.5
n÷5
324273730.8
n2
2628836312173771716
n3
4.2623127930555E+27
n4
6.9107803562034E+36
n5
1.1204922644227E+46
2 √n
40266.222246444
3 √n
1174.7909461184
4 √n
200.66445187537
5 √n
69.498647748901
1 , 2 , 3 , 6 , 61 , 122 , 183 , 366 , 4429969 , 8859938 , 13289907 , 26579814 , 270228109 , 540456218 , 810684327 , 1621368654
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
-1621368653
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 1621368654 can be divided by 16 positive divisors.
The sum of these divisors (counting 1621368654) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100000101001000001111101001110
3
Ternary
11011222220001122220
4
Quaternary
1200221001331032
5
Quinary
11310032244104
6
Senary
424515320210
8
Octal
14051017516
10
Decimal
1621368654
12
Duodecimal
392bb0066
16
Hexadecimal
60a41f4e
20
Vigesimal
156db1ce
36
Base36
qtbk26
md5
ec24bed3758460ba6da5e2aac5dab7ba
sha1
3791f04fac2097d61ef3864a3b131235882c1663
sha256
93dac0b1364c3b4f298acb9c07941a2a8aeabea2e558c7873ab345c2c215018e
sha512
c2afb8d5cd156709deb264641c635daa4c5d79ffc5ff95d06d544d79338d89163e46a7aa898f90425547fb074ab8e630a92ec79c35a50d49862c74c263b66889
ripemd-160
c241daef425e43e26653b4f5fa28eeefa1680279
Diameter
3242737308
Circumference
10187359704.334
Area
8.2587328458152E+18
Volume
1.7853934077287E+28
Surface area
3.3034931383261E+19
Circumference
10187359704.334
Perimeter
6485474616
Area
2628836312173771716
Diagonal
2292961540.0934
Surface area
1.5773017873043E+19
Volume
4.2623127930555E+27
Space diagonal
2808292886.5276
Perimeter
4864105962
Area
1.1383195143667E+18
Altitude
1404146443.2638
Surface area
1.1383195143667E+18
Volume
5.0231837991795E+26
Height
764320513.36447