12187989 (number)

12187989 is an odd 8-digits composite number following 12187988 and preceding 12187990. In scientific notation, it is written as 1.2187989 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 7386120 positive integers (up to 12187989) that are relatively prime to 12187989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2187989 × 10^7
Engineering notation 1.2187989 × 10^6

Prime Factorization of 12187989

Prime Factorization 33 × 27 × 13679

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12187989
Product of the distinct prime numbers

The prime factorization of 12187989 is 33 × 27 × 13679. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12187989)

Multiplication

n×y
n×2 24375978
n×3 36563967
n×4 48751956
n×5 60939945

Division

n÷y
n÷2 6093994.5
n÷3 4062663
n÷3 3046997.25
n÷5 2437597.8

Exponentiation

ny
n2 148547075864121
n3 1.8104901266141E+21
n4 2.2066233747781E+28
n5 2.6894301418938E+35

Nth Root

y√n
2√n 3491.1300462744
3√n 230.13217985096
4√n 59.085785484111
5√n 26.132828040387

Divisors of 12187989

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 -12187988
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 12187989 can be divided by 8 positive divisors. The sum of these divisors (counting 12187989) is 1, the average is 0.125.

Base conversion 12187989

Base System Value
2 Binary 101110011111100101010101
3 Ternary 211221012210000
4 Quaternary 232133211111
5 Quinary 11110003424
6 Senary 1113121513
8 Octal 56374525
10 Decimal 12187989
12 Duodecimal 40b9299
16 Hexadecimal b9f955
20 Vigesimal 3g39j9
36 Base36 798b9

Cryptographic Hash Functions

md5 ecfb4d4cf2a6e91c7ee483286eeaad97
sha1 9607ac3e96231ef20a927bc9927bac3951dfe788
sha256 d246dff00c44e97923b2984d3da33ab4d00a211af33e30a589a9bdc6697b5635
sha512 2d8aff0beb24bbf7a9912c87292a00fc3279bb00f2f33910a1aa1283d04cd8308c648c6de6efe17a5318c4510918e555b96fbe00121201f6be1c40df325139bd
ripemd-160 7ebf673dcc6156149dc7f6a78e2e4d526a0c86e6

12187989 as geometric shapes

Circle

Radius = n
Diameter 24375978
Circumference 76579393.408866
Area 4.6667440224697E+14

Sphere

Radius = n
Volume 7.5837633082235E+21
Surface area 1.8666976089879E+15
Circumference 76579393.408866

Square

Length = n
Perimeter 48751956
Area 148547075864121
Diagonal 17236419.341854

Cube

Length = n
Surface area 891282455184726
Volume 1.8104901266141E+21
Space diagonal 21110216.190091

Equilateral Triangle

Length = n
Perimeter 36563967
Area 64322770678112
Altitude 10555108.095045

Triangular Pyramid

Length = n
Surface area 64322770678112
Volume 2.1336830763335E+20
Height 5745473.1139514