15245721 (number)

15245721 is an odd 8-digits composite number following 15245720 and preceding 15245722. In scientific notation, it is written as 1.5245721 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 10069920 positive integers (up to 15245721) that are relatively prime to 15245721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5245721 × 10^7
Engineering notation 1.5245721 × 10^6

Prime Factorization of 15245721

Prime Factorization 3 × 3 × 109 × 15541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5081907
Product of the distinct prime numbers

The prime factorization of 15245721 is 3 × 3 × 109 × 15541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 19, 73, 642, 790, 7906, 3982, 22961, 8103, 111766, 867461, 1804493, 6070033, 24438735, 33367141, 466425023, 494241257, 2521102197, 8798887324

Basic calculations (n = 15245721)

Multiplication

n×y
n×2 30491442
n×3 45737163
n×4 60982884
n×5 76228605

Division

n÷y
n÷2 7622860.5
n÷3 5081907
n÷3 3811430.25
n÷5 3049144.2

Exponentiation

ny
n2 232432008809841
n3 3.5435935577844E+21
n4 5.4024638719378E+28
n5 8.2364456904143E+35

Nth Root

y√n
2√n 3904.576929707
3√n 247.96058708565
4√n 62.486614004177
5√n 27.329368311416

Divisors of 15245721

1, 3, 9, 109, 327, 981, 15541, 46623, 139869, 1693969, 5081907, 15245721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15245720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15245721 can be divided by 12 positive divisors. The sum of these divisors (counting 15245721) is 1, the average is 0.083333333333333.

Base conversion 15245721

Base System Value
2 Binary 111010001010000110011001
3 Ternary 1001200120012100
4 Quaternary 322022012121
5 Quinary 12400330341
6 Senary 1302434013
8 Octal 72120631
10 Decimal 15245721
12 Duodecimal 5132909
16 Hexadecimal e8a199
20 Vigesimal 4f5e61
36 Base36 92ro9

Cryptographic Hash Functions

md5 bd0dfe80eaca0817e177a1aa110d00ea
sha1 e921a0b3559d823d4775436699cc3c60ee6eab4c
sha256 dca6c577bf1cdbb26038a8980159bc0065e8542fff29bd2c2acd2dd4388e0a8f
sha512 3601d0e134f86889aa976837983986fe557c909f077915ebe39e4c2973bb76613b7a43501f055aba17ed7ddceeb9838244aaada02e57f638ef077f450fabb763
ripemd-160 0afd360d3e6cc9d0162f3f1bead66b2536c8478d

15245721 as geometric shapes

Circle

Radius = n
Diameter 30491442
Circumference 95791690.184559
Area 7.3020669133611E+14

Sphere

Radius = n
Volume 1.4843369984591E+22
Surface area 2.9208267653445E+15
Circumference 95791690.184559

Square

Length = n
Perimeter 60982884
Area 232432008809841
Diagonal 21560705.406356

Cube

Length = n
Surface area 1394592052859046
Volume 3.5435935577844E+21
Space diagonal 26406363.37002

Equilateral Triangle

Length = n
Perimeter 45737163
Area 1.0064601214099E+14
Altitude 13203181.68501

Triangular Pyramid

Length = n
Surface area 1.0064601214099E+14
Volume 4.1761650574638E+20
Height 7186901.8021188