16899981 (number)

16899981 is an odd 8-digits composite number following 16899980 and preceding 16899982. In scientific notation, it is written as 1.6899981 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 9657120 positive integers (up to 16899981) that are relatively prime to 16899981.

Interesting facts

Basic properties

Name

Name sixteen million eight hundred ninety-nine thousand nine hundred eighty-one

Notation

Scientific notation 1.6899981 × 10^7
Engineering notation 1.6899981 × 10^6

Prime Factorization of 16899981

Prime Factorization 21 × 804761

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16899981
Product of the distinct prime numbers

The prime factorization of 16899981 is 21 × 804761. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 47, 7, 941, 663, 1293, 4221, 87443, 50857, 888963, 233431, 9863995, 9727872, 8524767, 70841414, 326754971, 579503551, 1623769418, 3774835741

Basic calculations (n = 16899981)

Multiplication

n×y
n×2 33799962
n×3 50699943
n×4 67599924
n×5 84499905

Division

n÷y
n÷2 8449990.5
n÷3 5633327
n÷3 4224995.25
n÷5 3379996.2

Exponentiation

ny
n2 285609357800361
n3 4.8267927202483E+21
n4 8.1572705263135E+28
n5 1.3785771690656E+36

Nth Root

y√n
2√n 4110.958647323
3√n 256.62289821693
4√n 64.116757928977
5√n 27.898268085903

Divisors of 16899981

1, 21, 804761, 16899981

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 -16899980
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 16899981 can be divided by 4 positive divisors. The sum of these divisors (counting 16899981) is 1, the average is 0.25.

Base conversion 16899981

Base System Value
2 Binary 1000000011101111110001101
3 Ternary 1011210121102020
4 Quaternary 1000131332031
5 Quinary 13311244411
6 Senary 1402120353
8 Octal 100357615
10 Decimal 16899981
12 Duodecimal 57b00b9
16 Hexadecimal 101df8d
20 Vigesimal 55c9j1
36 Base36 a283x

Cryptographic Hash Functions

md5 df8e7c45127458eecef2be222f764afc
sha1 82ae7bd5030a975d537786b65bb7883d82b2fa7a
sha256 b87a4163fdc0cdec817f5597e241a38e5634bc6225468bdaee5c49c6e8d5a2ee
sha512 349111a09cbe376474d21e479039221ee0d0075d56eea2459e5debd22b067298d2d54532a9608eb1abc927757ee44b2324964f3f65c75e68ea19221b009fd4eb
ripemd-160 e08461b53520463764d98a2cea5336a941534163

16899981 as geometric shapes

Circle

Radius = n
Diameter 33799962
Circumference 106185712.31081
Area 8.9726826026211E+14

Sphere

Radius = n
Volume 2.021842206711E+22
Surface area 3.5890730410485E+15
Circumference 106185712.31081

Square

Length = n
Perimeter 67599924
Area 285609357800361
Diagonal 23900182.334048

Cube

Length = n
Surface area 1713656146802166
Volume 4.8267927202483E+21
Space diagonal 29271625.738949

Equilateral Triangle

Length = n
Perimeter 50699943
Area 1.2367247970684E+14
Altitude 14635812.869474

Triangular Pyramid

Length = n
Surface area 1.2367247970684E+14
Volume 5.6884297731157E+20
Height 7966727.4446825