10981 (number)

10981 is an odd 5-digits composite number following 10980 and preceding 10982. In scientific notation, it is written as 1.0981 × 10^4. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 10764 positive integers (up to 10981) that are relatively prime to 10981.

Interesting facts

Basic properties

Name

Name ten thousand nine hundred eighty-one

Notation

Scientific notation 1.0981 × 10^4
Engineering notation 1.0981 × 10^3

Prime Factorization of 10981

Prime Factorization 79 × 139

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 10981
Product of the distinct prime numbers

The prime factorization of 10981 is 79 × 139. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 84, 72, 985, 416, 6714, 5500, 18113, 42861, 29496, 654414, 2550049, 7062572, 77955038, 28779289, 670627564, 346638515, 8201595963, 2425067235

Basic calculations (n = 10981)

Multiplication

n×y
n×2 21962
n×3 32943
n×4 43924
n×5 54905

Division

n÷y
n÷2 5490.5
n÷3 3660.3333333333
n÷3 2745.25
n÷5 2196.2

Exponentiation

ny
n2 120582361
n3 1324114906141
n4 14540105784334321
n5 1.5966490161778E+20

Nth Root

y√n
2√n 104.79026672358
3√n 22.226988792333
4√n 10.236711714393
5√n 6.4287772516097

Divisors of 10981

1, 79, 139, 10981

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 -10980
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 10981 can be divided by 4 positive divisors. The sum of these divisors (counting 10981) is 1, the average is 0.25.

Base conversion 10981

Base System Value
2 Binary 10101011100101
3 Ternary 120001201
4 Quaternary 2223211
5 Quinary 322411
6 Senary 122501
8 Octal 25345
10 Decimal 10981
12 Duodecimal 6431
16 Hexadecimal 2ae5
20 Vigesimal 1791
36 Base36 8h1

Cryptographic Hash Functions

md5 0b01c7d68feb22290f3b0da91bef689d
sha1 2b249d295034dbe3ba8a3a6fcd630f9410d7f838
sha256 4a14392c43d30551a87b9295e56f3ffef7e8b6b632545f95556d9271b2e22f87
sha512 deb35f562584527f4a1a4aa2df468fae92874d0113dc92be548bf6efa1de782b3cf43c219d0ae440369090d784fdd0e27c709979a6e1ce3be36d1bae9e8596b9
ripemd-160 872a70c844b16d020acc95b7fd52b68d0c33eb4a

10981 as geometric shapes

Circle

Radius = n
Diameter 21962
Circumference 68995.657858139
Area 378820659.47011

Sphere

Radius = n
Volume 5546439548855.1
Surface area 1515282637.8804
Circumference 68995.657858139

Square

Length = n
Perimeter 43924
Area 120582361
Diagonal 15529.479128419

Cube

Length = n
Surface area 723494166
Volume 1324114906141
Space diagonal 19019.649917914

Equilateral Triangle

Length = n
Perimeter 32943
Area 52213693.937153
Altitude 9509.8249589569

Triangular Pyramid

Length = n
Surface area 52213693.937153
Volume 156048438200.42
Height 5176.4930428063