15661087 (number)

15661087 is an odd 8-digits composite number following 15661086 and preceding 15661088. In scientific notation, it is written as 1.5661087 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 14456376 positive integers (up to 15661087) that are relatively prime to 15661087.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661087 × 10^7
Engineering notation 1.5661087 × 10^6

Prime Factorization of 15661087

Prime Factorization 13 × 1204699

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15661087
Product of the distinct prime numbers

The prime factorization of 15661087 is 13 × 1204699. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661087)

Multiplication

n×y
n×2 31322174
n×3 46983261
n×4 62644348
n×5 78305435

Division

n÷y
n÷2 7830543.5
n÷3 5220362.3333333
n÷3 3915271.75
n÷5 3132217.4

Exponentiation

ny
n2 245269646021569
n3 3.841189264803E+21
n4 6.0157199259546E+28
n5 9.4212713128008E+35

Nth Root

y√n
2√n 3957.4091271942
3√n 250.19231602026
4√n 62.907941686199
5√n 27.476687880578

Divisors of 15661087

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661086
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661087 can be divided by 4 positive divisors. The sum of these divisors (counting 15661087) is 1, the average is 0.25.

Base conversion 15661087

Base System Value
2 Binary 111011101111100000011111
3 Ternary 1002110122222021
4 Quaternary 323233200133
5 Quinary 13002123322
6 Senary 1315401011
8 Octal 73574037
10 Decimal 15661087
12 Duodecimal 52b3167
16 Hexadecimal eef81f
20 Vigesimal 4hhce7
36 Base36 9bo67

Cryptographic Hash Functions

md5 dae7067d16612dfbb45bb8a5dfe5572a
sha1 5f65a2b39826dda7688f33b10001284a1095e332
sha256 b45c91dbf4f9708e5aae474955327264018af8eb3ebdd4530674701700c60858
sha512 98d1f6c6a00816356036b64afadae2e2f4e99ee5f1af5ce6e57e5079fa3c551953adfa8dd7dfb369caf31eabe2f838bdfc102c5c968b7fc861035ee324bdcef9
ripemd-160 47b3c2eff66bbb3d5d2ecdece2a824d11d77ff96

15661087 as geometric shapes

Circle

Radius = n
Diameter 31322174
Circumference 98401511.732861
Area 7.7053731808993E+14

Sphere

Radius = n
Volume 1.6089935967137E+22
Surface area 3.0821492723597E+15
Circumference 98401511.732861

Square

Length = n
Perimeter 62644348
Area 245269646021569
Diagonal 22148121.636905

Cube

Length = n
Surface area 1471617876129414
Volume 3.841189264803E+21
Space diagonal 27125798.385756

Equilateral Triangle

Length = n
Perimeter 46983261
Area 1.0620487211595E+14
Altitude 13562899.192878

Triangular Pyramid

Length = n
Surface area 1.0620487211595E+14
Volume 4.5268849616053E+20
Height 7382707.2123017