16491985 (number)

16491985 is an odd 8-digits composite number following 16491984 and preceding 16491986. In scientific notation, it is written as 1.6491985 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 13175040 positive integers (up to 16491985) that are relatively prime to 16491985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6491985 × 10^7
Engineering notation 1.6491985 × 10^6

Prime Factorization of 16491985

Prime Factorization 5 × 877 × 3761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16491985
Product of the distinct prime numbers

The prime factorization of 16491985 is 5 × 877 × 3761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16491985)

Multiplication

n×y
n×2 32983970
n×3 49475955
n×4 65967940
n×5 82459925

Division

n÷y
n÷2 8245992.5
n÷3 5497328.3333333
n÷3 4122996.25
n÷5 3298397

Exponentiation

ny
n2 271985569240225
n3 4.4855819281263E+21
n4 7.3976149874929E+28
n5 1.2200135540951E+36

Nth Root

y√n
2√n 4061.0325041792
3√n 254.54094006758
4√n 63.726230895756
5√n 27.762245236777

Divisors of 16491985

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 -16491984
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 16491985 can be divided by 8 positive divisors. The sum of these divisors (counting 16491985) is 1, the average is 0.125.

Base conversion 16491985

Base System Value
2 Binary 111110111010010111010001
3 Ternary 1011000212202021
4 Quaternary 332322113101
5 Quinary 13210220420
6 Senary 1345251441
8 Octal 76722721
10 Decimal 16491985
12 Duodecimal 5633b81
16 Hexadecimal fba5d1
20 Vigesimal 5319j5
36 Base36 9thap

Cryptographic Hash Functions

md5 e1a7454dc9147b6020a717f3d2dc362d
sha1 5c0bd8683e7d8023e4b5c7f8e00831c59cfb828f
sha256 213fce44e595ceb7c709c801e4b5f0c1a37fb2da4b50413ffa3041897a3ec409
sha512 3a41750351836450b694159cef5fbe78fa8ad9a08317fc88ad63aa56f69e23e141a382a5007c1a4b5cbac4b91b2093a0b39f9e4353eab2aea3172bee6477c7c3
ripemd-160 beff60d34e57ac61cbdd670790c99aac861ac32b

16491985 as geometric shapes

Circle

Radius = n
Diameter 32983970
Circumference 103622197.83823
Area 8.5446786620753E+14

Sphere

Radius = n
Volume 1.8789161643302E+22
Surface area 3.4178714648301E+15
Circumference 103622197.83823

Square

Length = n
Perimeter 65967940
Area 271985569240225
Diagonal 23323188.857454

Cube

Length = n
Surface area 1631913415441350
Volume 4.4855819281263E+21
Space diagonal 28564955.937664

Equilateral Triangle

Length = n
Perimeter 49475955
Area 1.177732062124E+14
Altitude 14282477.968832

Triangular Pyramid

Length = n
Surface area 1.177732062124E+14
Volume 5.2863089982432E+20
Height 7774396.2858179