22981 (number)

22981 is an odd 5-digits composite number following 22980 and preceding 22982. In scientific notation, it is written as 2.2981 × 10^4. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19404 positive integers (up to 22981) that are relatively prime to 22981.

Interesting facts

Basic properties

Name

Name twenty-two thousand nine hundred eighty-one

Notation

Scientific notation 2.2981 × 10^4
Engineering notation 2.2981 × 10^3

Prime Factorization of 22981

Prime Factorization 7 × 49 × 67

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 22981
Product of the distinct prime numbers

The prime factorization of 22981 is 7 × 49 × 67. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 2, 84, 33, 545, 1437, 6957, 17127, 83355, 367418, 944276, 6157908, 2729212, 64318633, 12489523, 248383086, 62324884, 4537286948, 9278519264

Basic calculations (n = 22981)

Multiplication

n×y
n×2 45962
n×3 68943
n×4 91924
n×5 114905

Division

n÷y
n÷2 11490.5
n÷3 7660.3333333333
n÷3 5745.25
n÷5 4596.2

Exponentiation

ny
n2 528126361
n3 12136871902141
n4 278917453183102321
n5 6.4098019916009E+21

Nth Root

y√n
2√n 151.59485479395
3√n 28.43083670312
4√n 12.312386234762
5√n 7.4520161006002

Divisors of 22981

1, 7, 49, 67, 343, 469, 3283, 22981

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 -22980
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 22981 can be divided by 8 positive divisors. The sum of these divisors (counting 22981) is 1, the average is 0.125.

Base conversion 22981

Base System Value
2 Binary 101100111000101
3 Ternary 1011112011
4 Quaternary 11213011
5 Quinary 1213411
6 Senary 254221
8 Octal 54705
10 Decimal 22981
12 Duodecimal 11371
16 Hexadecimal 59c5
20 Vigesimal 2h91
36 Base36 hqd

Cryptographic Hash Functions

md5 bc3fb8a4b6e4a83feb535917ce574d31
sha1 0b90dacacb7307291ab6092a5862896f04d245f8
sha256 e6f9e741b32f2272d844f5794182b04787bfab22a4e4608b882cee8589a3cd0e
sha512 ec2613f85411895fed8fc33b6758b1726c577f66a0c9411ebdb0b6a6f70df29fb705090fe46b6d7411ea3e053743e72b060ee319f8ccfc0e6f323c980e038eb5
ripemd-160 3a453da437c4c7bacb8d693eb28bba2c0f649cf6

22981 as geometric shapes

Circle

Radius = n
Diameter 45962
Circumference 144393.88154429
Area 1659157895.8847

Sphere

Radius = n
Volume 50838810140435
Surface area 6636631583.5388
Circumference 144393.88154429

Square

Length = n
Perimeter 91924
Area 528126361
Diagonal 32500.041876896

Cube

Length = n
Surface area 3168758166
Volume 12136871902141
Space diagonal 39804.25960874

Equilateral Triangle

Length = n
Perimeter 68943
Area 228685422.51712
Altitude 19902.12980437

Triangular Pyramid

Length = n
Surface area 228685422.51712
Volume 1430344070732.7
Height 10833.347292299