12156987 (number)

12156987 is an odd 8-digits composite number following 12156986 and preceding 12156988. In scientific notation, it is written as 1.2156987 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 8025768 positive integers (up to 12156987) that are relatively prime to 12156987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2156987 × 10^7
Engineering notation 1.2156987 × 10^6

Prime Factorization of 12156987

Prime Factorization 3 × 103 × 39343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12156987
Product of the distinct prime numbers

The prime factorization of 12156987 is 3 × 103 × 39343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12156987)

Multiplication

n×y
n×2 24313974
n×3 36470961
n×4 48627948
n×5 60784935

Division

n÷y
n÷2 6078493.5
n÷3 4052329
n÷3 3039246.75
n÷5 2431397.4

Exponentiation

ny
n2 147792332918169
n3 1.7967094699859E+21
n4 2.1842573669395E+28
n5 2.6553988414538E+35

Nth Root

y√n
2√n 3486.687109564
3√n 229.93688879625
4√n 59.048176174748
5√n 26.119519930061

Divisors of 12156987

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 -12156986
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 12156987 can be divided by 8 positive divisors. The sum of these divisors (counting 12156987) is 1, the average is 0.125.

Base conversion 12156987

Base System Value
2 Binary 101110011000000000111011
3 Ternary 211212122020210
4 Quaternary 232120000323
5 Quinary 11103010422
6 Senary 1112322203
8 Octal 56300073
10 Decimal 12156987
12 Duodecimal 40a3363
16 Hexadecimal b9803b
20 Vigesimal 3fjc97
36 Base36 78ke3

Cryptographic Hash Functions

md5 675ed0bdc6876e27722e1e61b2e3d527
sha1 577957b22df662bebb213fe08d53ffad7b970f06
sha256 48f1289190ebf4e4dd92d2c3cba03e2b72dd214892b9d537e481c2baddddf846
sha512 09409d6b7f4bcce66d0a4d61868da6b78ffbc2c1e7736611bb09943f595779832561f5385cc3f01ff5971865cded0258a0d2718afe34b4ca5e492c02a7fef446
ripemd-160 6dfdcab3eea2ae1208cfd9401395413b14c0054c

12156987 as geometric shapes

Circle

Radius = n
Diameter 24313974
Circumference 76384602.097973
Area 4.6430330735262E+14

Sphere

Radius = n
Volume 7.5260390287237E+21
Surface area 1.8572132294105E+15
Circumference 76384602.097973

Square

Length = n
Perimeter 48627948
Area 147792332918169
Diagonal 17192575.892993

Cube

Length = n
Surface area 886753997509014
Volume 1.7967094699859E+21
Space diagonal 21056519.150954

Equilateral Triangle

Length = n
Perimeter 36470961
Area 63995957395851
Altitude 10528259.575477

Triangular Pyramid

Length = n
Surface area 63995957395851
Volume 2.1174424167485E+20
Height 5730858.6309978