16808981 (number)

16808981 is an odd 8-digits composite number following 16808980 and preceding 16808982. In scientific notation, it is written as 1.6808981 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 14387040 positive integers (up to 16808981) that are relatively prime to 16808981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6808981 × 10^7
Engineering notation 1.6808981 × 10^6

Prime Factorization of 16808981

Prime Factorization 7 × 2473 × 971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16808981
Product of the distinct prime numbers

The prime factorization of 16808981 is 7 × 2473 × 971. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16808981)

Multiplication

n×y
n×2 33617962
n×3 50426943
n×4 67235924
n×5 84044905

Division

n÷y
n÷2 8404490.5
n÷3 5602993.6666667
n÷3 4202245.25
n÷5 3361796.2

Exponentiation

ny
n2 282541842258361
n3 4.7492404582258E+21
n4 7.9829892626749E+28
n5 1.3418591483951E+36

Nth Root

y√n
2√n 4099.875729824
3√n 256.16146328597
4√n 64.030271979932
5√n 27.868158842639

Divisors of 16808981

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 -16808980
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 16808981 can be divided by 8 positive divisors. The sum of these divisors (counting 16808981) is 1, the average is 0.125.

Base conversion 16808981

Base System Value
2 Binary 1000000000111110000010101
3 Ternary 1011121222120212
4 Quaternary 1000013300111
5 Quinary 13300341411
6 Senary 1400135205
8 Octal 100076025
10 Decimal 16808981
12 Duodecimal 5767505
16 Hexadecimal 1007c15
20 Vigesimal 551291
36 Base36 a09w5

Cryptographic Hash Functions

md5 37d358cb496a1f7a218184b4660cca43
sha1 37d6d7336c13fa972bf5711fe9134d8eb735f004
sha256 d8a58583b156f04777c7b7031a95e01e944aaf3aa71718a6e12864b95e8bcbd4
sha512 c513153860636ac0cafafc2c52d5623bfc7c2deb1b701ebf9704dd9b04beee0a7c1d94d5e39b6655ee8595df3f20ceedb4e539cdfbe0c454118b708dcca7f651
ripemd-160 f4b7a8b215a04ecd388b523c1a26faa233dd0fdf

16808981 as geometric shapes

Circle

Radius = n
Diameter 33617962
Circumference 105613942.44786
Area 8.8763137597059E+14

Sphere

Radius = n
Volume 1.9893571911591E+22
Surface area 3.5505255038824E+15
Circumference 105613942.44786

Square

Length = n
Perimeter 67235924
Area 282541842258361
Diagonal 23771488.899872

Cube

Length = n
Surface area 1695251053550166
Volume 4.7492404582258E+21
Space diagonal 29114009.11546

Equilateral Triangle

Length = n
Perimeter 50426943
Area 1.223442065139E+14
Altitude 14557004.55773

Triangular Pyramid

Length = n
Surface area 1.223442065139E+14
Volume 5.5970335558283E+20
Height 7923829.6332906