16457981 is an odd 8-digits prime number following 16457980
and preceding 16457982 . In scientific notation, it is written as 1.6457981 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 16457980 positive integers (up to 16457981) that are relatively prime to 16457981.
16457981 has 2 divisors, whose sum is 16457982
The reverse of 16457981 is 18975461
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixteen million four hundred fifty-seven thousand nine hundred eighty-one
Scientific notation
1.6457981 × 10^7
Engineering notation
1.6457981 × 10^6
Prime Factorization
16457981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
16457981
Product of the distinct prime numbers
The prime factorization of 16457981 is 16457981.
Since it has a total of 1 prime factors.
9 , 4 , 41 , 40 , 240 , 542 , 6512 , 8336 , 11016 , 32537 , 414494 , 173081 , 8983402 , 8991598 , 98314988 , 72454338 , 424583601 , 508669540 , 4269887057 , 778460948
n×2
32915962
n×3
49373943
n×4
65831924
n×5
82289905
n÷2
8228990.5
n÷3
5485993.6666667
n÷3
4114495.25
n÷5
3291596.2
n2
270865138596361
n3
4.4578933045813E+21
n4
7.3367923306826E+28
n5
1.2074878877932E+36
2 √n
4056.8437238819
3 √n
254.36587794561
4 √n
63.693356983927
5 √n
27.750787465881
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
16457982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
8228991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4056.8438471304
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998784784
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16457981 can be divided by 2 positive divisors.
The sum of these divisors (counting 16457981) is 16457982, the average is 8228991.
Base
System
Value
2
Binary
111110110010000011111101
3
Ternary
1010222011002212
4
Quaternary
332302003331
5
Quinary
13203123411
6
Senary
1344430205
8
Octal
76620375
10
Decimal
16457981
12
Duodecimal
5618365
16
Hexadecimal
fb20fd
20
Vigesimal
52h4j1
36
Base36
9sr25
md5
cd2863c8cffc89174258576abf1ef856
sha1
5b5a57eff90f80b217dfdc377ee56b0547795b33
sha256
a9132b6ba7ded1df100333590e50a0b8d334e0e6e484d9fbcb572c1197214907
sha512
84dc209e35f2526839ed7b8c637fb3ae59f531b209190d91ed881fa09ab4c03e3b410e70382ef9fa62c8f10ac14e6d240344f5282997c34d0c7ed8c788e1f568
ripemd-160
bd4367a77459bc2542fbfc9f7e48894636bf910d
Diameter
32915962
Circumference
103408544.40504
Area
8.5094792952791E+14
Volume
1.8673179808213E+22
Surface area
3.4037917181116E+15
Circumference
103408544.40504
Perimeter
65831924
Area
270865138596361
Diagonal
23275099.939479
Surface area
1625190831578166
Volume
4.4578933045813E+21
Space diagonal
28506059.282003
Perimeter
49373943
Area
1.1728804551202E+14
Altitude
14253029.641002
Surface area
1.1728804551202E+14
Volume
5.2536776424592E+20
Height
7758366.6464929