21882981 (number)

21882981 is an odd 8-digits composite number following 21882980 and preceding 21882982. In scientific notation, it is written as 2.1882981 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 14373240 positive integers (up to 21882981) that are relatively prime to 21882981.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-two thousand nine hundred eighty-one

Notation

Scientific notation 2.1882981 × 10^7
Engineering notation 2.1882981 × 10^6

Prime Factorization of 21882981

Prime Factorization 3 × 71 × 71 × 1447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 308211
Product of the distinct prime numbers

The prime factorization of 21882981 is 3 × 71 × 71 × 1447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21882981)

Multiplication

n×y
n×2 43765962
n×3 65648943
n×4 87531924
n×5 109414905

Division

n÷y
n÷2 10941490.5
n÷3 7294327
n÷3 5470745.25
n÷5 4376596.2

Exponentiation

ny
n2 478864857446361
n3 1.0478990577066E+22
n4 2.2931155169712E+29
n5 5.0180203288687E+36

Nth Root

y√n
2√n 4677.9248604483
3√n 279.70624379027
4√n 68.395357009436
5√n 29.377937100806

Divisors of 21882981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21882980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21882981 can be divided by 12 positive divisors. The sum of these divisors (counting 21882981) is 1, the average is 0.083333333333333.

Base conversion 21882981

Base System Value
2 Binary 1010011011110100001100101
3 Ternary 1112011202210210
4 Quaternary 1103132201211
5 Quinary 21100223411
6 Senary 2101010033
8 Octal 123364145
10 Decimal 21882981
12 Duodecimal 73b3919
16 Hexadecimal 14de865
20 Vigesimal 6gf791
36 Base36 d110l

Cryptographic Hash Functions

md5 329d64ae2deffa7aacdca95d593b0e96
sha1 3281fbe4c19efb99b32afdd0f841f550453dc484
sha256 e796b3f4662ff627a1603b9e40ced0c30b5b421e0a5d0ec33b1b5a906add2080
sha512 105534dcbda6412d6d91d0196d70362c84004c6d45553930bbbe17e728f13c95f136835399ab498e25e33687a1706bde943a36b32b6e73e1aee3e20579c32f81
ripemd-160 e3294fb8234496b4128c810f2c359ff3dc0d0476

21882981 as geometric shapes

Circle

Radius = n
Diameter 43765962
Circumference 137494824.69649
Area 1.5043983182158E+15

Sphere

Radius = n
Volume 4.3894293085265E+22
Surface area 6.0175932728632E+15
Circumference 137494824.69649

Square

Length = n
Perimeter 87531924
Area 478864857446361
Diagonal 30947208.515353

Cube

Length = n
Surface area 2873189144678166
Volume 1.0478990577066E+22
Space diagonal 37902434.913064

Equilateral Triangle

Length = n
Perimeter 65648943
Area 2.0735456576408E+14
Altitude 18951217.456532

Triangular Pyramid

Length = n
Surface area 2.0735456576408E+14
Volume 1.2349608828389E+21
Height 10315736.171784