16991909 (number)

16991909 is an odd 8-digits composite number following 16991908 and preceding 16991910. In scientific notation, it is written as 1.6991909 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 18 positive divisors. There are 14596560 positive integers (up to 16991909) that are relatively prime to 16991909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6991909 × 10^7
Engineering notation 1.6991909 × 10^6

Prime Factorization of 16991909

Prime Factorization 19 × 11 × 19 × 11 × 389

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81301
Product of the distinct prime numbers

The prime factorization of 16991909 is 19 × 11 × 19 × 11 × 389. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 27, 73, 25, 78, 4978, 5399, 20087, 66888, 859624, 522085, 5176614, 798455, 60616994, 55958809, 279852310, 377860584, 1699674764, 5129168547

Basic calculations (n = 16991909)

Multiplication

n×y
n×2 33983818
n×3 50975727
n×4 67967636
n×5 84959545

Division

n÷y
n÷2 8495954.5
n÷3 5663969.6666667
n÷3 4247977.25
n÷5 3398381.8

Exponentiation

ny
n2 288724971464281
n3 4.9059884411487E+21
n4 8.336210914705E+28
n5 1.4164813726747E+36

Nth Root

y√n
2√n 4122.124330973
3√n 257.08735996631
4√n 64.203771937271
5√n 27.928552971688

Divisors of 16991909

1, 11, 19, 121, 209, 361, 389, 2299, 3971, 4279, 7391, 43681, 47069, 81301, 140429, 894311, 1544719, 16991909

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16991908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16991909 can be divided by 18 positive divisors. The sum of these divisors (counting 16991909) is 1, the average is 0.055555555555556.

Base conversion 16991909

Base System Value
2 Binary 1000000110100011010100101
3 Ternary 1011222021111222
4 Quaternary 1000310122211
5 Quinary 13322220114
6 Senary 1404110125
8 Octal 100643245
10 Decimal 16991909
12 Duodecimal 5835345
16 Hexadecimal 10346a5
20 Vigesimal 563jf9
36 Base36 a471h

Cryptographic Hash Functions

md5 28949f70b509aa8a62bb2f25f3ad46c6
sha1 7daa8d331801e682f1ca1131d6d580fc78cb70c6
sha256 c935fb4fa3ab69b8b777de1f30c194ef906b7f34d9bc83754cd28bcdf1260e8e
sha512 0e19f448f99ed63cdf3b209ca0f1b2fabf70a7417edacd48bcb7cfbedb3de0d8dfc38fbf50f84e484a4641c225231cd3b78fade5d83f024be2bd5aba393b9bca
ripemd-160 a62d1832a4983c559f2b6c8f8141eeb8509ecbad

16991909 as geometric shapes

Circle

Radius = n
Diameter 33983818
Circumference 106763312.96973
Area 9.0705624926011E+14

Sphere

Radius = n
Volume 2.0550156327079E+22
Surface area 3.6282249970404E+15
Circumference 106763312.96973

Square

Length = n
Perimeter 67967636
Area 288724971464281
Diagonal 24030188.158409

Cube

Length = n
Surface area 1732349828785686
Volume 4.9059884411487E+21
Space diagonal 29430849.705587

Equilateral Triangle

Length = n
Perimeter 50975727
Area 1.250215799975E+14
Altitude 14715424.852793

Triangular Pyramid

Length = n
Surface area 1.250215799975E+14
Volume 5.7817628252651E+20
Height 8010062.7194698