15996721 (number)

15996721 is an odd 8-digits composite number following 15996720 and preceding 15996722. In scientific notation, it is written as 1.5996721 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 14727312 positive integers (up to 15996721) that are relatively prime to 15996721.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred ninety-six thousand seven hundred twenty-one

Notation

Scientific notation 1.5996721 × 10^7
Engineering notation 1.5996721 × 10^6

Prime Factorization of 15996721

Prime Factorization 13 × 439 × 2803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15996721
Product of the distinct prime numbers

The prime factorization of 15996721 is 13 × 439 × 2803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15996721)

Multiplication

n×y
n×2 31993442
n×3 47990163
n×4 63986884
n×5 79983605

Division

n÷y
n÷2 7998360.5
n÷3 5332240.3333333
n÷3 3999180.25
n÷5 3199344.2

Exponentiation

ny
n2 255895082751841
n3 4.0934822440531E+21
n4 6.5482293376572E+28
n5 1.0475019775852E+36

Nth Root

y√n
2√n 3999.5901039982
3√n 251.96699513159
4√n 63.242312607922
5√n 27.593462103106

Divisors of 15996721

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 -15996720
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 15996721 can be divided by 8 positive divisors. The sum of these divisors (counting 15996721) is 1, the average is 0.125.

Base conversion 15996721

Base System Value
2 Binary 111101000001011100110001
3 Ternary 1010002201101011
4 Quaternary 331001130301
5 Quinary 13043343341
6 Senary 1330510521
8 Octal 75013461
10 Decimal 15996721
12 Duodecimal 5435441
16 Hexadecimal f41731
20 Vigesimal 4jjbg1
36 Base36 9iv5d

Cryptographic Hash Functions

md5 9af63fe99c19afd9fa4938ad9b04620d
sha1 6acfcd5a12d09a0816317e333122c259af6d8ff6
sha256 abad0529f85f79f6b2694c46af1aac489be4adc102202c822b4586932c5f22b5
sha512 339b0e6e060c855dfc09957b4ff4ca1ef49b1816d9338f85b9f1308254e083f98a2b2cde15c4842bb80148f39514e8da2589e818d852bb5e6acd64ed987e30f2
ripemd-160 4e2f4c8fb0dfb2f3ef798af921434877ab287ec0

15996721 as geometric shapes

Circle

Radius = n
Diameter 31993442
Circumference 100510362.35025
Area 8.0391811206294E+14

Sphere

Radius = n
Volume 1.7146738327357E+22
Surface area 3.2156724482517E+15
Circumference 100510362.35025

Square

Length = n
Perimeter 63986884
Area 255895082751841
Diagonal 22622779.791699

Cube

Length = n
Surface area 1535370496511046
Volume 4.0934822440531E+21
Space diagonal 27707133.526504

Equilateral Triangle

Length = n
Perimeter 47990163
Area 1.1080582118331E+14
Altitude 13853566.763252

Triangular Pyramid

Length = n
Surface area 1.1080582118331E+14
Volume 4.8242150890611E+20
Height 7540926.5972328