16457981 (number)

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.

Interesting facts

Basic properties

Name

Name sixteen million four hundred fifty-seven thousand nine hundred eighty-one

Notation

Scientific notation 1.6457981 × 10^7
Engineering notation 1.6457981 × 10^6

Prime Factorization of 16457981

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.

Most popular turbo-numbers

Basic calculations (n = 16457981)

Multiplication

n×y
n×2 32915962
n×3 49373943
n×4 65831924
n×5 82289905

Division

n÷y
n÷2 8228990.5
n÷3 5485993.6666667
n÷3 4114495.25
n÷5 3291596.2

Exponentiation

ny
n2 270865138596361
n3 4.4578933045813E+21
n4 7.3367923306826E+28
n5 1.2074878877932E+36

Nth Root

y√n
2√n 4056.8437238819
3√n 254.36587794561
4√n 63.693356983927
5√n 27.750787465881

Divisors of 16457981

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 conversion 16457981

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

Cryptographic Hash Functions

md5 cd2863c8cffc89174258576abf1ef856
sha1 5b5a57eff90f80b217dfdc377ee56b0547795b33
sha256 a9132b6ba7ded1df100333590e50a0b8d334e0e6e484d9fbcb572c1197214907
sha512 84dc209e35f2526839ed7b8c637fb3ae59f531b209190d91ed881fa09ab4c03e3b410e70382ef9fa62c8f10ac14e6d240344f5282997c34d0c7ed8c788e1f568
ripemd-160 bd4367a77459bc2542fbfc9f7e48894636bf910d

16457981 as geometric shapes

Circle

Radius = n
Diameter 32915962
Circumference 103408544.40504
Area 8.5094792952791E+14

Sphere

Radius = n
Volume 1.8673179808213E+22
Surface area 3.4037917181116E+15
Circumference 103408544.40504

Square

Length = n
Perimeter 65831924
Area 270865138596361
Diagonal 23275099.939479

Cube

Length = n
Surface area 1625190831578166
Volume 4.4578933045813E+21
Space diagonal 28506059.282003

Equilateral Triangle

Length = n
Perimeter 49373943
Area 1.1728804551202E+14
Altitude 14253029.641002

Triangular Pyramid

Length = n
Surface area 1.1728804551202E+14
Volume 5.2536776424592E+20
Height 7758366.6464929