15742721 (number)

15742721 is an odd 8-digits prime number following 15742720 and preceding 15742722. In scientific notation, it is written as 1.5742721 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 15742720 positive integers (up to 15742721) that are relatively prime to 15742721.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation 1.5742721 × 10^7
Engineering notation 1.5742721 × 10^6

Prime Factorization of 15742721

Prime Factorization 15742721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 15742721
Product of the distinct prime numbers

The prime factorization of 15742721 is 15742721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15742721)

Multiplication

n×y
n×2 31485442
n×3 47228163
n×4 62970884
n×5 78713605

Division

n÷y
n÷2 7871360.5
n÷3 5247573.6666667
n÷3 3935680.25
n÷5 3148544.2

Exponentiation

ny
n2 247833264483841
n3 3.9015699372883E+21
n4 6.1421326984717E+28
n5 9.6693881417018E+35

Nth Root

y√n
2√n 3967.709792815
3√n 250.62627514105
4√n 62.98975942814
5√n 27.505272994203

Divisors of 15742721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 15742722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 7871361
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3967.7099188323
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998729572
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15742721 can be divided by 2 positive divisors. The sum of these divisors (counting 15742721) is 15742722, the average is 7871361.

Base conversion 15742721

Base System Value
2 Binary 111100000011011100000001
3 Ternary 1002121210221202
4 Quaternary 330003130001
5 Quinary 13012231341
6 Senary 1321230545
8 Octal 74033401
10 Decimal 15742721
12 Duodecimal 5332455
16 Hexadecimal f03701
20 Vigesimal 4i7gg1
36 Base36 9df5t

Cryptographic Hash Functions

md5 670b2ddfe9505cea9b8cbb864d1afc2b
sha1 3fdb2450177eb3d10c6d3aba271b9397d5c57784
sha256 b6509b65c230bffa7b302398724e205064dbfe55a1e0e211cedabb9532828ba7
sha512 5623f4a6f93e057804b241c3732fc93d225788089feb560a0f2a6fa13c189802d1a42d9c49ce73ef83b26be30d0369381a302c352e4c23e1376e4bc67bc1f158
ripemd-160 3a77d1c76766e27bd179f72c2e4f439e40484f00

15742721 as geometric shapes

Circle

Radius = n
Diameter 31485442
Circumference 98914433.282228
Area 7.7859116301761E+14

Sphere

Radius = n
Volume 1.6342857936602E+22
Surface area 3.1143646520704E+15
Circumference 98914433.282228

Square

Length = n
Perimeter 62970884
Area 247833264483841
Diagonal 22263569.546856

Cube

Length = n
Surface area 1486999586903046
Volume 3.9015699372883E+21
Space diagonal 27267192.621382

Equilateral Triangle

Length = n
Perimeter 47228163
Area 1.0731495147292E+14
Altitude 13633596.310691

Triangular Pyramid

Length = n
Surface area 1.0731495147292E+14
Volume 4.5980442665502E+20
Height 7421189.8489519