15661280 (number)

15661280 is an even 8-digits composite number following 15661279 and preceding 15661281. In scientific notation, it is written as 1.5661280 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 24 positive divisors. There are 6264448 positive integers (up to 15661280) that are relatively prime to 15661280.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand two hundred eighty

Notation

Scientific notation 1.5661280 × 10^7
Engineering notation 1.5661280 × 10^6

Prime Factorization of 15661280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 97883

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 978830
Product of the distinct prime numbers

The prime factorization of 15661280 is 2 × 2 × 2 × 2 × 2 × 5 × 97883. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 2, 44, 74, 942, 993, 3982, 2967, 5332, 97009, 618571, 953795, 8969980, 5856171, 35410727, 74443310, 676113241, 779634979, 2794462049, 7189776586

Basic calculations (n = 15661280)

Multiplication

n×y
n×2 31322560
n×3 46983840
n×4 62645120
n×5 78306400

Division

n÷y
n÷2 7830640
n÷3 5220426.6666667
n÷3 3915320
n÷5 3132256

Exponentiation

ny
n2 245275691238400
n3 3.8413312776781E+21
n4 6.0160164712475E+28
n5 9.4218518440819E+35

Nth Root

y√n
2√n 3957.4335117599
3√n 250.19334376754
4√n 62.908135497405
5√n 27.476755602246

Divisors of 15661280

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 97883, 195766, 391532, 489415, 783064, 978830, 1566128, 1957660, 3132256, 3915320, 7830640, 15661280

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 -15661279
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 15661280 can be divided by 24 positive divisors. The sum of these divisors (counting 15661280) is 1, the average is 0.041666666666667.

Base conversion 15661280

Base System Value
2 Binary 111011101111100011100000
3 Ternary 1002110200020102
4 Quaternary 323233203200
5 Quinary 13002130110
6 Senary 1315401532
8 Octal 73574340
10 Decimal 15661280
12 Duodecimal 52b32a8
16 Hexadecimal eef8e0
20 Vigesimal 4hhd40
36 Base36 9bobk

Cryptographic Hash Functions

md5 e004e9b23552155fb74d9c3e6201ddfb
sha1 96831c23ab1e32b2f42593b32c4a46dedadbe994
sha256 2b91c07522dd9d55fec32b64b868ea591e2f26d64bb61d5df891f2da2551c560
sha512 d875406c80163600564baa2c4482e9bcf2efccd43c384cc9fa62b98b1745241140557b512864fdc1e8cfbda126783145927a686c03d6c928803d34fe6118a13a
ripemd-160 b8cb3e25cf743bc7bb23f4845fd045474e7caa01

15661280 as geometric shapes

Circle

Radius = n
Diameter 31322560
Circumference 98402724.387626
Area 7.7055630969872E+14

Sphere

Radius = n
Volume 1.6090530829278E+22
Surface area 3.0822252387949E+15
Circumference 98402724.387626

Square

Length = n
Perimeter 62645120
Area 245275691238400
Diagonal 22148394.580123

Cube

Length = n
Surface area 1471654147430400
Volume 3.8413312776781E+21
Space diagonal 27126132.671562

Equilateral Triangle

Length = n
Perimeter 46983840
Area 1.0620748977162E+14
Altitude 13563066.335781

Triangular Pyramid

Length = n
Surface area 1.0620748977162E+14
Volume 4.5270523253837E+20
Height 7382798.1933742