15661245 (number)

15661245 is an odd 8-digits composite number following 15661244 and preceding 15661246. In scientific notation, it is written as 1.5661245 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 8158080 positive integers (up to 15661245) that are relatively prime to 15661245.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand two hundred forty-five

Notation

Scientific notation 1.5661245 × 10^7
Engineering notation 1.5661245 × 10^6

Prime Factorization of 15661245

Prime Factorization 3 × 215 × 24281

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15661245
Product of the distinct prime numbers

The prime factorization of 15661245 is 3 × 215 × 24281. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661245)

Multiplication

n×y
n×2 31322490
n×3 46983735
n×4 62644980
n×5 78306225

Division

n÷y
n÷2 7830622.5
n÷3 5220415
n÷3 3915311.25
n÷5 3132249

Exponentiation

ny
n2 245274594950025
n3 3.8413055237881E+21
n4 6.0159626927899E+28
n5 9.4217465642642E+35

Nth Root

y√n
2√n 3957.4290896995
3√n 250.19315738912
4√n 62.908100350428
5√n 27.476743321164

Divisors of 15661245

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661244
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661245 can be divided by 8 positive divisors. The sum of these divisors (counting 15661245) is 1, the average is 0.125.

Base conversion 15661245

Base System Value
2 Binary 111011101111100010111101
3 Ternary 1002110200012010
4 Quaternary 323233202331
5 Quinary 13002124440
6 Senary 1315401433
8 Octal 73574275
10 Decimal 15661245
12 Duodecimal 52b3279
16 Hexadecimal eef8bd
20 Vigesimal 4hhd25
36 Base36 9boal

Cryptographic Hash Functions

md5 2ec50edf29584a4dec370b3bad2e9aba
sha1 e4cf45e843704c10bc15f8d5e6c261a61c8a9024
sha256 1421cac84da733927e227f4894f09b75ffa7f03a0222d87c0c17a29e99602cd4
sha512 649d7d2cce659e070bc867268523193a0488b4cbc2ab679a67e6ec8031cbc7d3334f1f0cacd68d0d447ee1a23db3634cca132a239aabc208cec8b8d80a23d34f
ripemd-160 9379fba2900d068f1018c6541494d59aa2412880

15661245 as geometric shapes

Circle

Radius = n
Diameter 31322490
Circumference 98402504.47614
Area 7.7055286560721E+14

Sphere

Radius = n
Volume 1.6090422951635E+22
Surface area 3.0822114624288E+15
Circumference 98402504.47614

Square

Length = n
Perimeter 62644980
Area 245274594950025
Diagonal 22148345.082648

Cube

Length = n
Surface area 1471647569700150
Volume 3.8413055237881E+21
Space diagonal 27126072.049784

Equilateral Triangle

Length = n
Perimeter 46983735
Area 1.0620701506483E+14
Altitude 13563036.024892

Triangular Pyramid

Length = n
Surface area 1.0620701506483E+14
Volume 4.5270219741332E+20
Height 7382781.6942159