16667987 (number)

16667987 is an odd 8-digits composite number following 16667986 and preceding 16667988. In scientific notation, it is written as 1.6667987 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors. There are 13824720 positive integers (up to 16667987) that are relatively prime to 16667987.

Interesting facts

Basic properties

Name

Name sixteen million six hundred sixty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 1.6667987 × 10^7
Engineering notation 1.6667987 × 10^6

Prime Factorization of 16667987

Prime Factorization 7 × 31 × 7 × 10973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2381141
Product of the distinct prime numbers

The prime factorization of 16667987 is 7 × 31 × 7 × 10973. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 53, 98, 832, 361, 2219, 3484, 21007, 94802, 717126, 637866, 2792649, 9569453, 86178458, 76722662, 253255400, 782736023, 7932702710, 4279251851

Basic calculations (n = 16667987)

Multiplication

n×y
n×2 33335974
n×3 50003961
n×4 66671948
n×5 83339935

Division

n÷y
n÷2 8333993.5
n÷3 5555995.6666667
n÷3 4166996.75
n÷5 3333597.4

Exponentiation

ny
n2 277821790632169
n3 4.6307299945737E+21
n4 7.7184947350065E+28
n5 1.2865176990266E+36

Nth Root

y√n
2√n 4082.644608584
3√n 255.44322251232
4√n 63.895575813854
5√n 27.821249474946

Divisors of 16667987

1, 7, 31, 49, 217, 1519, 10973, 76811, 340163, 537677, 2381141, 16667987

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16667986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16667987 can be divided by 12 positive divisors. The sum of these divisors (counting 16667987) is 1, the average is 0.083333333333333.

Base conversion 16667987

Base System Value
2 Binary 111111100101010101010011
3 Ternary 1011100211011212
4 Quaternary 333211111103
5 Quinary 13231333422
6 Senary 1353130335
8 Octal 77452523
10 Decimal 16667987
12 Duodecimal 56b99ab
16 Hexadecimal fe5553
20 Vigesimal 5439j7
36 Base36 9x93n

Cryptographic Hash Functions

md5 1a599a8484a37e1886fddfda333925e8
sha1 908a0852ef42571ec3642e9b1acc6d2aeb9211a9
sha256 ef2e6a92b6410994ffd2a689d7753037d3ccf71b55ee7c8bd60919ebc3d5ad72
sha512 25402b66f8c7ca14230dd3c51794c42a6886b7e2b7bac889ae92e0a57c589d91fb71656dcd7fe8fb71e643df557e959cbdb541d499df08664495ea37ed65e317
ripemd-160 5af4d702c85e7cac0e97979f3464437bd7c15b5e

16667987 as geometric shapes

Circle

Radius = n
Diameter 33335974
Circumference 104728051.01866
Area 8.7280289645718E+14

Sphere

Radius = n
Volume 1.9397156442281E+22
Surface area 3.4912115858287E+15
Circumference 104728051.01866

Square

Length = n
Perimeter 66671948
Area 277821790632169
Diagonal 23572093.272858

Cube

Length = n
Surface area 1666930743793014
Volume 4.6307299945737E+21
Space diagonal 28869800.343898

Equilateral Triangle

Length = n
Perimeter 50003961
Area 1.2030036420617E+14
Altitude 14434900.171949

Triangular Pyramid

Length = n
Surface area 1.2030036420617E+14
Volume 5.4573676350117E+20
Height 7857364.4242861