12981087 (number)

12981087 is an odd 8-digits composite number following 12981086 and preceding 12981088. In scientific notation, it is written as 1.2981087 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 7417656 positive integers (up to 12981087) that are relatively prime to 12981087.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981087 × 10^7
Engineering notation 1.2981087 × 10^6

Prime Factorization of 12981087

Prime Factorization 9 × 3 × 7 × 68683

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12981087
Product of the distinct prime numbers

The prime factorization of 12981087 is 9 × 3 × 7 × 68683. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 19, 41, 352, 500, 9307, 8152, 58960, 41344, 936129, 243696, 9403854, 9727794, 12659191, 23939657, 130911629, 691303308, 9805369767, 9712641314

Basic calculations (n = 12981087)

Multiplication

n×y
n×2 25962174
n×3 38943261
n×4 51924348
n×5 64905435

Division

n÷y
n÷2 6490543.5
n÷3 4327029
n÷3 3245271.75
n÷5 2596217.4

Exponentiation

ny
n2 168508619701569
n3 2.187425052596E+21
n4 2.8395154913728E+28
n5 3.6859997631358E+35

Nth Root

y√n
2√n 3602.9275596381
3√n 235.01938575554
4√n 60.024391372492
5√n 26.46440974925

Divisors of 12981087

1, 3, 7, 9, 21, 27, 63, 189, 68683, 206049, 480781, 618147, 1442343, 1854441, 4327029, 12981087

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 -12981086
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 12981087 can be divided by 16 positive divisors. The sum of these divisors (counting 12981087) is 1, the average is 0.0625.

Base conversion 12981087

Base System Value
2 Binary 110001100001001101011111
3 Ternary 220102111201000
4 Quaternary 301201031133
5 Quinary 11310343322
6 Senary 1142121343
8 Octal 61411537
10 Decimal 12981087
12 Duodecimal 4420253
16 Hexadecimal c6135f
20 Vigesimal 412ce7
36 Base36 7q89r

Cryptographic Hash Functions

md5 a42ad3695006f4a96a877a854def5b11
sha1 c28f48df19e0a953da479554ef8073b1ac46e9eb
sha256 a3910047be8d08b8e212e200c3f6c48336a2c721b194cf3642ccf7c9544715f2
sha512 4c2e0698ca39bc0f51c518de010e3ac852bdb7ed387fb0533900f17bd8deee777dff47171287e440e37e71534c9347875c720e10d5d1bd2fdd9aac3e4dab5280
ripemd-160 3df020cf712ae518b64aaef3054a4351399f9f03

12981087 as geometric shapes

Circle

Radius = n
Diameter 25962174
Circumference 81562575.10962
Area 5.2938544172101E+14

Sphere

Radius = n
Volume 9.1626646340184E+21
Surface area 2.117541766884E+15
Circumference 81562575.10962

Square

Length = n
Perimeter 51924348
Area 168508619701569
Diagonal 18358029.289745

Cube

Length = n
Surface area 1011051718209414
Volume 2.187425052596E+21
Space diagonal 22483902.221472

Equilateral Triangle

Length = n
Perimeter 38943261
Area 72966372709105
Altitude 11241951.110736

Triangular Pyramid

Length = n
Surface area 72966372709105
Volume 2.5779051467133E+20
Height 6119343.0965817