15721680 (number)

15721680 is an even 8-digits composite number following 15721679 and preceding 15721681. In scientific notation, it is written as 1.5721680 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 3869184 positive integers (up to 15721680) that are relatively prime to 15721680.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred twenty-one thousand six hundred eighty

Notation

Scientific notation 1.5721680 × 10^7
Engineering notation 1.5721680 × 10^6

Prime Factorization of 15721680

Prime Factorization 2 × 2 × 2 × 2 × 15 × 13 × 5039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1965210
Product of the distinct prime numbers

The prime factorization of 15721680 is 2 × 2 × 2 × 2 × 15 × 13 × 5039. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15721680)

Multiplication

n×y
n×2 31443360
n×3 47165040
n×4 62886720
n×5 78608400

Division

n÷y
n÷2 7860840
n÷3 5240560
n÷3 3930420
n÷5 3144336

Exponentiation

ny
n2 247171222022400
n3 3.8859468578451E+21
n4 6.1093612996047E+28
n5 9.6049423356769E+35

Nth Root

y√n
2√n 3965.057376634
3√n 250.51456682395
4√n 62.968701563825
5√n 27.497916602591

Divisors of 15721680

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15721679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15721680 can be divided by 40 positive divisors. The sum of these divisors (counting 15721680) is 1, the average is 0.025.

Base conversion 15721680

Base System Value
2 Binary 111011111110010011010000
3 Ternary 1002120202002110
4 Quaternary 323332103100
5 Quinary 13011043210
6 Senary 1320545320
8 Octal 73762320
10 Decimal 15721680
12 Duodecimal 5322240
16 Hexadecimal efe4d0
20 Vigesimal 4i5440
36 Base36 9cyxc

Cryptographic Hash Functions

md5 a2cb38cd895c39f87a0e9ce96167811f
sha1 ad1d99160c2aef68599d74bd3e26ffaf8539039d
sha256 a05f58bc7c61e325188467154accfbdbbe5d96003666b971f58b93d9c144b9af
sha512 0aa31f10530bbfabaabe9ca952b3b593c619c3800461936c3a5ac8b05105df7d4120b72d2500dfaf55451993962c15ab0c264d362e60aeca469237c446e830bf
ripemd-160 8b91a8da420c43429458e2b232d4b3a5c3ddc7d8

15721680 as geometric shapes

Circle

Radius = n
Diameter 31443360
Circumference 98782228.780179
Area 7.7651129528438E+14

Sphere

Radius = n
Volume 1.6277416134462E+22
Surface area 3.1060451811375E+15
Circumference 98782228.780179

Square

Length = n
Perimeter 62886720
Area 247171222022400
Diagonal 22233813.07929

Cube

Length = n
Surface area 1483027332134400
Volume 3.8859468578451E+21
Space diagonal 27230748.540339

Equilateral Triangle

Length = n
Perimeter 47165040
Area 1.0702827867792E+14
Altitude 13615374.27017

Triangular Pyramid

Length = n
Surface area 1.0702827867792E+14
Volume 4.5796322908547E+20
Height 7411271.0264299