16156721 (number)

16156721 is an odd 8-digits composite number following 16156720 and preceding 16156722. In scientific notation, it is written as 1.6156721 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors. There are 13848576 positive integers (up to 16156721) that are relatively prime to 16156721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6156721 × 10^7
Engineering notation 1.6156721 × 10^6

Prime Factorization of 16156721

Prime Factorization 7 × 7 × 329729

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2308103
Product of the distinct prime numbers

The prime factorization of 16156721 is 7 × 7 × 329729. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16156721)

Multiplication

n×y
n×2 32313442
n×3 48470163
n×4 64626884
n×5 80783605

Division

n÷y
n÷2 8078360.5
n÷3 5385573.6666667
n÷3 4039180.25
n÷5 3231344.2

Exponentiation

ny
n2 261039633471841
n3 4.2175445279468E+21
n4 6.8141690243113E+28
n5 1.1009462777264E+36

Nth Root

y√n
2√n 4019.5423868893
3√n 252.80427195453
4√n 63.39986109519
5√n 27.648440817389

Divisors of 16156721

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16156720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16156721 can be divided by 6 positive divisors. The sum of these divisors (counting 16156721) is 1, the average is 0.16666666666667.

Base conversion 16156721

Base System Value
2 Binary 111101101000100000110001
3 Ternary 1010101211212002
4 Quaternary 331220200301
5 Quinary 13114003341
6 Senary 1334143345
8 Octal 75504061
10 Decimal 16156721
12 Duodecimal 54b1b55
16 Hexadecimal f68831
20 Vigesimal 50jbg1
36 Base36 9malt

Cryptographic Hash Functions

md5 609ea8b82c283fc20f217dfe5d9dbf92
sha1 121a0a33cc0276a362120d2857f4ce5eeddfe700
sha256 43c35245f379a4b9b1704a123eb9b28dfadd48312012c02ae91914a12a4d7318
sha512 d53d0b0d99c1ace6d0ad403f803854de9c93296dcff312636ae9b6cdd865d44db4deb4079c6f6ffbbddc7aeb0d0bd5b024dfa84e2ae4df93d05580d8aef250d1
ripemd-160 168dc526b31334e174290b38465e12ced754b627

16156721 as geometric shapes

Circle

Radius = n
Diameter 32313442
Circumference 101515671.9994
Area 8.2008019481091E+14

Sphere

Radius = n
Volume 1.7666409206914E+22
Surface area 3.2803207792436E+15
Circumference 101515671.9994

Square

Length = n
Perimeter 64626884
Area 261039633471841
Diagonal 22849053.961678

Cube

Length = n
Surface area 1566237800831046
Volume 4.2175445279468E+21
Space diagonal 27984261.655715

Equilateral Triangle

Length = n
Perimeter 48470163
Area 1.130334769906E+14
Altitude 13992130.827858

Triangular Pyramid

Length = n
Surface area 1.130334769906E+14
Volume 4.970423892779E+20
Height 7616351.3205594