16856721 (number)

16856721 is an odd 8-digits composite number following 16856720 and preceding 16856722. In scientific notation, it is written as 1.6856721 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 9632304 positive integers (up to 16856721) that are relatively prime to 16856721.

Interesting facts

Basic properties

Name

Name sixteen million eight hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.6856721 × 10^7
Engineering notation 1.6856721 × 10^6

Prime Factorization of 16856721

Prime Factorization 7 × 27 × 89189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16856721
Product of the distinct prime numbers

The prime factorization of 16856721 is 7 × 27 × 89189. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16856721)

Multiplication

n×y
n×2 33713442
n×3 50570163
n×4 67426884
n×5 84283605

Division

n÷y
n÷2 8428360.5
n÷3 5618907
n÷3 4214180.25
n÷5 3371344.2

Exponentiation

ny
n2 284149042871841
n3 4.7898211381077E+21
n4 8.0740678564983E+28
n5 1.3610230919206E+36

Nth Root

y√n
2√n 4105.6937294445
3√n 256.40374624488
4√n 64.075687506608
5√n 27.883970830658

Divisors of 16856721

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 -16856720
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 16856721 can be divided by 8 positive divisors. The sum of these divisors (counting 16856721) is 1, the average is 0.125.

Base conversion 16856721

Base System Value
2 Binary 1000000010011011010010001
3 Ternary 1011201102002000
4 Quaternary 1000103122101
5 Quinary 13303403341
6 Senary 1401144213
8 Octal 100233221
10 Decimal 16856721
12 Duodecimal 578b069
16 Hexadecimal 1013691
20 Vigesimal 5571g1
36 Base36 a1aq9

Cryptographic Hash Functions

md5 d98100628a4327b7ad41485578dadca1
sha1 f4d822bf749b4018305e408e0e7b1eebc60e947b
sha256 4105528e1c41be860755e78fd3b47adcdd687a53f0d2e4410669f8ca3deafd50
sha512 e57a3d7bfe0798391cffa79943055bc1461f38a6de13600b3315f06090f0b9f673dc36657c6432431b001883d51505fc60418de514260138c1ba561c5706a397
ripemd-160 332a62cb51bd45c47e74af19a6feab8801424a1d

16856721 as geometric shapes

Circle

Radius = n
Diameter 33713442
Circumference 105913901.71443
Area 8.9268054561075E+14

Sphere

Radius = n
Volume 2.0063555865984E+22
Surface area 3.570722182443E+15
Circumference 105913901.71443

Square

Length = n
Perimeter 67426884
Area 284149042871841
Diagonal 23839003.455339

Cube

Length = n
Surface area 1704894257231046
Volume 4.7898211381077E+21
Space diagonal 29196697.221013

Equilateral Triangle

Length = n
Perimeter 50570163
Area 1.2304014479402E+14
Altitude 14598348.610507

Triangular Pyramid

Length = n
Surface area 1.2304014479402E+14
Volume 5.644858345711E+20
Height 7946334.4851131