16981904 (number)

16981904 is an even 8-digits composite number following 16981903 and preceding 16981905. In scientific notation, it is written as 1.6981904 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 8293152 positive integers (up to 16981904) that are relatively prime to 16981904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6981904 × 10^7
Engineering notation 1.6981904 × 10^6

Prime Factorization of 16981904

Prime Factorization 2 × 2 × 2 × 2 × 43 × 24683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2122738
Product of the distinct prime numbers

The prime factorization of 16981904 is 2 × 2 × 2 × 2 × 43 × 24683. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16981904)

Multiplication

n×y
n×2 33963808
n×3 50945712
n×4 67927616
n×5 84909520

Division

n÷y
n÷2 8490952
n÷3 5660634.6666667
n÷3 4245476
n÷5 3396380.8

Exponentiation

ny
n2 288385063465216
n3 4.8973274628002E+21
n4 8.3165944829837E+28
n5 1.4123160911696E+36

Nth Root

y√n
2√n 4120.9105789862
3√n 257.03689155339
4√n 64.19431889962
5√n 27.925263276492

Divisors of 16981904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16981903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16981904 can be divided by 20 positive divisors. The sum of these divisors (counting 16981904) is 1, the average is 0.05.

Base conversion 16981904

Base System Value
2 Binary 1000000110001111110010000
3 Ternary 1011221202210102
4 Quaternary 1000301332100
5 Quinary 13321410104
6 Senary 1403551532
8 Octal 100617620
10 Decimal 16981904
12 Duodecimal 582b5a8
16 Hexadecimal 1031f90
20 Vigesimal 562ef4
36 Base36 a3zbk

Cryptographic Hash Functions

md5 45f81dc5be6791812e79ce0444d31474
sha1 b908cb8959af4c5d9b76be683593972ed6fa1321
sha256 b68d786881c0d2073bcd8324f72637d0c70678eccbcdb2adeeecfe5f2ce6b49f
sha512 98975bbe16d6a2e8fdd62b1046da7b7cd7baca8f90f058a18627f2a2b14dee7f7c8ed43fc7d2dc441c10c7fdbbeedd19e00d6d1275eac4b392938879264d60ba
ripemd-160 f4b84df10e7417acffee0760e5e557941fe76a9c

16981904 as geometric shapes

Circle

Radius = n
Diameter 33963808
Circumference 106700449.70073
Area 9.0598839678735E+14

Sphere

Radius = n
Volume 2.0513877305809E+22
Surface area 3.6239535871494E+15
Circumference 106700449.70073

Square

Length = n
Perimeter 67927616
Area 288385063465216
Diagonal 24016038.951718

Cube

Length = n
Surface area 1730310380791296
Volume 4.8973274628002E+21
Space diagonal 29413520.537257

Equilateral Triangle

Length = n
Perimeter 50945712
Area 1.2487439551643E+14
Altitude 14706760.268629

Triangular Pyramid

Length = n
Surface area 1.2487439551643E+14
Volume 5.7715557643952E+20
Height 8005346.3172393