12156981 (number)

12156981 is an odd 8-digits composite number following 12156980 and preceding 12156982. In scientific notation, it is written as 1.2156981 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 7884864 positive integers (up to 12156981) that are relatively prime to 12156981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2156981 × 10^7
Engineering notation 1.2156981 × 10^6

Prime Factorization of 12156981

Prime Factorization 3 × 76459 × 53

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12156981
Product of the distinct prime numbers

The prime factorization of 12156981 is 3 × 76459 × 53. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12156981)

Multiplication

n×y
n×2 24313962
n×3 36470943
n×4 48627924
n×5 60784905

Division

n÷y
n÷2 6078490.5
n÷3 4052327
n÷3 3039245.25
n÷5 2431396.2

Exponentiation

ny
n2 147792187034361
n3 1.7967068097252E+21
n4 2.18425305484E+28
n5 2.6553922886881E+35

Nth Root

y√n
2√n 3486.6862491483
3√n 229.9368509683
4√n 59.048168889038
5√n 26.119517351838

Divisors of 12156981

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 -12156980
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 12156981 can be divided by 8 positive divisors. The sum of these divisors (counting 12156981) is 1, the average is 0.125.

Base conversion 12156981

Base System Value
2 Binary 101110011000000000110101
3 Ternary 211212122020120
4 Quaternary 232120000311
5 Quinary 11103010411
6 Senary 1112322153
8 Octal 56300065
10 Decimal 12156981
12 Duodecimal 40a3359
16 Hexadecimal b98035
20 Vigesimal 3fjc91
36 Base36 78kdx

Cryptographic Hash Functions

md5 8cf124501b19aa9eff2e66a1da76743b
sha1 b8d78a97717d4ffb88fef65dd36c2760b2790b4e
sha256 cde2564e5e66633e72250eca47bb99bb95f3e42b6031ed1fbc8e06432abb50d5
sha512 9ecca85ecdf14358e911a0c57980c6cc474b3b914246e5e1638398e513ef83eb2b29f5a32fc7ebf07926c497e03ba0b8b09903cb8502b6afc30abe72e69406c0
ripemd-160 2f6c9af2ea9db37c2567f1bdec4a443bc39f146b

12156981 as geometric shapes

Circle

Radius = n
Diameter 24313962
Circumference 76384564.398861
Area 4.6430284904512E+14

Sphere

Radius = n
Volume 7.5260278854498E+21
Surface area 1.8572113961805E+15
Circumference 76384564.398861

Square

Length = n
Perimeter 48627924
Area 147792187034361
Diagonal 17192567.407712

Cube

Length = n
Surface area 886753122206166
Volume 1.7967068097252E+21
Space diagonal 21056508.758649

Equilateral Triangle

Length = n
Perimeter 36470943
Area 63995894226309
Altitude 10528254.379325

Triangular Pyramid

Length = n
Surface area 63995894226309
Volume 2.1174392816012E+20
Height 5730855.8025707