1321620281 is an odd 10-digits composite number following 1321620280
and preceding 1321620282 . In scientific notation, it is written as 1.321620281 × 10^9.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 1286740000 positive integers (up to 1321620281) that are relatively prime to 1321620281.
1321620281 has 8 divisors, whose sum is 1356632928
The reverse of 1321620281 is 1820261231
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 26
Digital Root 8
Name
one billion three hundred twenty-one million six hundred twenty thousand two hundred eighty-one
Scientific notation
1.321620281 × 10^9
Engineering notation
1.321620281 × 10^9
Prime Factorization
41 × 491 × 65651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1321620281
Product of the distinct prime numbers
The prime factorization of 1321620281 is 41 × 491 × 65651.
Since it has a total of 3 prime factors.
10 , 10 , 90 , 89 , 323 , 758 , 688 , 1039 , 78915 , 42761 , 617854 , 914239 , 8453710 , 358592 , 84208679 , 4940985 , 264299935 , 367631448 , 449533268 , 5919644360
n×2
2643240562
n×3
3964860843
n×4
5286481124
n×5
6608101405
n÷2
660810140.5
n÷3
440540093.66667
n÷3
330405070.25
n÷5
264324056.2
n2
1746680167150518961
n3
2.3084479333266E+27
n4
3.050891606317E+36
n5
4.0321202220412E+45
2 √n
36354.095794009
3 √n
1097.4099617053
4 √n
190.66750062349
5 √n
66.714669500504
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
-1321620280
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 1321620281 can be divided by 8 positive divisors.
The sum of these divisors (counting 1321620281) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110110001100101001100111001
3
Ternary
10102002212021012022
4
Quaternary
1032301211030321
5
Quinary
10201313322111
6
Senary
335050524225
8
Octal
11661451471
10
Decimal
1321620281
12
Duodecimal
30a736675
16
Hexadecimal
4ec65339
20
Vigesimal
10d02ae1
36
Base36
luuwqh
md5
beb7649c8748bd13e5518301f6ba54c0
sha1
90d4cada0c2813f43d8e139886496f7aaf71eb9a
sha256
b35a62d568ea6cf727b5111940f294ffc0fd9baf02beedd4b5a5491823d31ba3
sha512
69d554891772e43b0adc45c07a1bac6474f0289a4c032d66cb015df1d16e72a0fd4a2a886fcaeb238a354985bee718333e918e99e4b14f4948b893e9c178859c
ripemd-160
afb60045cdd7156e79919e3bf7814b83718bdedc
Diameter
2643240562
Circumference
8303985131.2498
Area
5.4873575812911E+18
Volume
9.6696040913778E+27
Surface area
2.1949430325164E+19
Circumference
8303985131.2498
Perimeter
5286481124
Area
1746680167150518961
Diagonal
1869053325.6975
Surface area
1.0480081002903E+19
Volume
2.3084479333266E+27
Space diagonal
2289113475.0055
Perimeter
3964860843
Area
7.563346985194E+17
Altitude
1144556737.5027
Surface area
7.563346985194E+17
Volume
2.7205319794522E+26
Height
623017775.23251