15989991 (number)

15989991 is an odd 8-digits composite number following 15989990 and preceding 15989992. In scientific notation, it is written as 1.5989991 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 9609600 positive integers (up to 15989991) that are relatively prime to 15989991.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred eighty-nine thousand nine hundred ninety-one

Notation

Scientific notation 1.5989991 × 10^7
Engineering notation 1.5989991 × 10^6

Prime Factorization of 15989991

Prime Factorization 87 × 131 × 23 × 61

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15989991
Product of the distinct prime numbers

The prime factorization of 15989991 is 87 × 131 × 23 × 61. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 71, 25, 402, 859, 9656, 9832, 58576, 73036, 978143, 62731, 3535092, 4039951, 16040258, 3019237, 272033913, 114991678, 6520521434, 6555705853

Basic calculations (n = 15989991)

Multiplication

n×y
n×2 31979982
n×3 47969973
n×4 63959964
n×5 79949955

Division

n÷y
n÷2 7994995.5
n÷3 5329997
n÷3 3997497.75
n÷5 3197998.2

Exponentiation

ny
n2 255679812180081
n3 4.0883178956412E+21
n4 6.5372166356441E+28
n5 1.04530035169E+36

Nth Root

y√n
2√n 3998.7486792746
3√n 251.9316550612
4√n 63.235659870634
5√n 27.591139936471

Divisors of 15989991

1, 23, 61, 87, 131, 1403, 2001, 3013, 5307, 7991, 11397, 122061, 183793, 262131, 695217, 15989991

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15989990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15989991 can be divided by 16 positive divisors. The sum of these divisors (counting 15989991) is 1, the average is 0.0625.

Base conversion 15989991

Base System Value
2 Binary 111100111111110011100111
3 Ternary 1010002101010220
4 Quaternary 330333303213
5 Quinary 13043134431
6 Senary 1330415423
8 Octal 74776347
10 Decimal 15989991
12 Duodecimal 5431573
16 Hexadecimal f3fce7
20 Vigesimal 4jiejb
36 Base36 9ipyf

Cryptographic Hash Functions

md5 2cfbe465c1efe34d3016bb3f4c963746
sha1 8bdca426b0fe68c54ecd8bc5170bc20dd7dd4bc2
sha256 0753ab80498cec490e12e6b45eedfddb55385d80b0abe6b15a99a3d49392c5d3
sha512 d4ab00f6dbe0fb9587fd9b6a30b9e117f969a04500a447a16a1d6d0cc02f65e5a02c81dd3f24d138e214ec6ded3c490509d22fe331c400eea4cfe894349971a2
ripemd-160 90922cc5be3b9db16a2ae1b406954b4535cfc3b5

15989991 as geometric shapes

Circle

Radius = n
Diameter 31979982
Circumference 100468076.51313
Area 8.0324181961616E+14

Sphere

Radius = n
Volume 1.7125105955315E+22
Surface area 3.2129672784646E+15
Circumference 100468076.51313

Square

Length = n
Perimeter 63959964
Area 255679812180081
Diagonal 22613262.134424

Cube

Length = n
Surface area 1534078873080486
Volume 4.0883178956412E+21
Space diagonal 27695476.824569

Equilateral Triangle

Length = n
Perimeter 47969973
Area 1.1071260629139E+14
Altitude 13847738.412285

Triangular Pyramid

Length = n
Surface area 1.1071260629139E+14
Volume 4.8181288460903E+20
Height 7537754.0448079