1216981 (number)

1216981 is an odd 7-digits composite number following 1216980 and preceding 1216982. In scientific notation, it is written as 1.216981 × 10^6. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 1214752 positive integers (up to 1216981) that are relatively prime to 1216981.

Interesting facts

Basic properties

Name

Name one million two hundred sixteen thousand nine hundred eighty-one

Notation

Scientific notation 1.216981 × 10^6
Engineering notation 1.216981 × 10^6

Prime Factorization of 1216981

Prime Factorization 1277 × 953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1216981
Product of the distinct prime numbers

The prime factorization of 1216981 is 1277 × 953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1216981)

Multiplication

n×y
n×2 2433962
n×3 3650943
n×4 4867924
n×5 6084905

Division

n÷y
n÷2 608490.5
n÷3 405660.33333333
n÷3 304245.25
n÷5 243396.2

Exponentiation

ny
n2 1481042754361
n3 1802400892245004141
n4 2.1934876402452E+24
n5 2.6694327819133E+30

Nth Root

y√n
2√n 1103.1686181178
3√n 106.76476110672
4√n 33.213982268283
5√n 16.483778101481

Divisors of 1216981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1216980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1216981 can be divided by 4 positive divisors. The sum of these divisors (counting 1216981) is 1, the average is 0.25.

Base conversion 1216981

Base System Value
2 Binary 100101001000111010101
3 Ternary 2021211101101
4 Quaternary 10221013111
5 Quinary 302420411
6 Senary 42030101
8 Octal 4510725
10 Decimal 1216981
12 Duodecimal 4a8331
16 Hexadecimal 1291d5
20 Vigesimal 7c291
36 Base36 q311

Cryptographic Hash Functions

md5 8dcd0b3b2378dabee6f26d1fba53a41a
sha1 898c845dda9131d68d3da64619906321d6528149
sha256 bb0e841259a68792407e32b033e7e592dd900ef2019f7175f8c1cbf3f543fbca
sha512 55a6970dad511dbaff9a77a1c7ac541ae84e34f5717acbe7c4f5b1c9e81a1185c5e54ee3eca309ccf639f408807ec3ca08137d69d483b9520513d6811df506d0
ripemd-160 042ec1514be8f658e648cb2cc36859ef3e0ea087

1216981 as geometric shapes

Circle

Radius = n
Diameter 2433962
Circumference 7646517.1383167
Area 4652833036752.9

Sphere

Radius = n
Volume 7.5498792025341E+18
Surface area 18611332147012
Circumference 7646517.1383167

Square

Length = n
Perimeter 4867924
Area 1481042754361
Diagonal 1721071.0353504

Cube

Length = n
Surface area 8886256526166
Volume 1802400892245004141
Space diagonal 2107872.923846

Equilateral Triangle

Length = n
Perimeter 3650943
Area 641310324683.75
Altitude 1053936.461923

Triangular Pyramid

Length = n
Surface area 641310324683.75
Volume 2.1241498222052E+17
Height 573690.34511679