12986987 (number)

12986987 is an odd 8-digits composite number following 12986986 and preceding 12986988. In scientific notation, it is written as 1.2986987 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 11918880 positive integers (up to 12986987) that are relatively prime to 12986987.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-six thousand nine hundred eighty-seven

Notation

Scientific notation 1.2986987 × 10^7
Engineering notation 1.2986987 × 10^6

Prime Factorization of 12986987

Prime Factorization 13 × 179 × 5581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12986987
Product of the distinct prime numbers

The prime factorization of 12986987 is 13 × 179 × 5581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 85, 5, 965, 349, 1322, 7002, 8557, 87060, 647896, 176706, 5328937, 9480571, 88516893, 48477808, 672443201, 93291386, 9948131910, 616201335

Basic calculations (n = 12986987)

Multiplication

n×y
n×2 25973974
n×3 38960961
n×4 51947948
n×5 64934935

Division

n÷y
n÷2 6493493.5
n÷3 4328995.6666667
n÷3 3246746.75
n÷5 2597397.4

Exponentiation

ny
n2 168661831338169
n3 2.190409010985E+21
n4 2.8446813350345E+28
n5 3.6943839517236E+35

Nth Root

y√n
2√n 3603.7462452287
3√n 235.05498637854
4√n 60.03121059273
5√n 26.466814965987

Divisors of 12986987

1, 13, 179, 2327, 5581, 72553, 998999, 12986987

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 -12986986
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 12986987 can be divided by 8 positive divisors. The sum of these divisors (counting 12986987) is 1, the average is 0.125.

Base conversion 12986987

Base System Value
2 Binary 110001100010101001101011
3 Ternary 220102210210112
4 Quaternary 301202221223
5 Quinary 11311040422
6 Senary 1142204535
8 Octal 61425153
10 Decimal 12986987
12 Duodecimal 442374b
16 Hexadecimal c62a6b
20 Vigesimal 413797
36 Base36 7qctn

Cryptographic Hash Functions

md5 b842b93ec5bb3e4d2ebbf65d2108fbfb
sha1 b62a3f3d1dcc7338ebad47a3fce48b0ca846f1b8
sha256 aae58c94419c164fd234e3e913527a01c2de4791817abfb9a0508008897d4559
sha512 ff5049ec3708700eccd58df296a21ff0b72ccb34ef4111d987a601609e08be4d00fe66ec90c6f1743ffe1abde95312dcdc641b02c7f26b8742588217a2e589e5
ripemd-160 51152fd79c27dea7435102953f24058a0240f708

12986987 as geometric shapes

Circle

Radius = n
Diameter 25973974
Circumference 81599645.902932
Area 5.2986677027299E+14

Sphere

Radius = n
Volume 9.1751638096898E+21
Surface area 2.119467081092E+15
Circumference 81599645.902932

Square

Length = n
Perimeter 51947948
Area 168661831338169
Diagonal 18366373.149763

Cube

Length = n
Surface area 1011970988029014
Volume 2.190409010985E+21
Space diagonal 22494121.321237

Equilateral Triangle

Length = n
Perimeter 38960961
Area 73032715293830
Altitude 11247060.660618

Triangular Pyramid

Length = n
Surface area 73032715293830
Volume 2.5814217753993E+20
Height 6122124.3832544