15945440 (number)

15945440 is an even 8-digits composite number following 15945439 and preceding 15945441. In scientific notation, it is written as 1.5945440 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 24 positive divisors. There are 5220864 positive integers (up to 15945440) that are relatively prime to 15945440.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred forty-five thousand four hundred forty

Notation

Scientific notation 1.5945440 × 10^7
Engineering notation 1.5945440 × 10^6

Prime Factorization of 15945440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 805 × 619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 996590
Product of the distinct prime numbers

The prime factorization of 15945440 is 2 × 2 × 2 × 2 × 2 × 805 × 619. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15945440)

Multiplication

n×y
n×2 31890880
n×3 47836320
n×4 63781760
n×5 79727200

Division

n÷y
n÷2 7972720
n÷3 5315146.6666667
n÷3 3986360
n÷5 3189088

Exponentiation

ny
n2 254257056793600
n3 4.0542406436789E+21
n4 6.4646650929344E+28
n5 1.0308192935948E+36

Nth Root

y√n
2√n 3993.1741760159
3√n 251.69746174239
4√n 63.191567285642
5√n 27.575747994181

Divisors of 15945440

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15945439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15945440 can be divided by 24 positive divisors. The sum of these divisors (counting 15945440) is 1, the average is 0.041666666666667.

Base conversion 15945440

Base System Value
2 Binary 111100110100111011100000
3 Ternary 1010000010000212
4 Quaternary 330310323200
5 Quinary 13040223230
6 Senary 1325433252
8 Octal 74647340
10 Decimal 15945440
12 Duodecimal 540b828
16 Hexadecimal f34ee0
20 Vigesimal 4jd3c0
36 Base36 9hrkw

Cryptographic Hash Functions

md5 9522472e0ff753daeb120812d7bf04e8
sha1 67468512884b6bdedd997fc47a2bb29974782ffd
sha256 28afc460a55647047f74c65db1b7348ba417f1d6e31caddd7be40c48597358c5
sha512 2ebbd6f8ed08111a74c92bbe225a671d7ec9680ac894fec20f500a4652d16ba9e5e4e24f57e5f772a70bd9419d41255540131bb6ddf7513539329913427a638f
ripemd-160 c1848c2b4ede46f96ee54695baf0fdc98e99c8b7

15945440 as geometric shapes

Circle

Radius = n
Diameter 31890880
Circumference 100188154.32451
Area 7.9877210174614E+14

Sphere

Radius = n
Volume 1.6982363496089E+22
Surface area 3.1950884069845E+15
Circumference 100188154.32451

Square

Length = n
Perimeter 63781760
Area 254257056793600
Diagonal 22550257.506006

Cube

Length = n
Surface area 1525542340761600
Volume 4.0542406436789E+21
Space diagonal 27618312.229041

Equilateral Triangle

Length = n
Perimeter 47836320
Area 1.1009653513736E+14
Altitude 13809156.114521

Triangular Pyramid

Length = n
Surface area 1.1009653513736E+14
Volume 4.7779684195125E+20
Height 7516752.5020021