21882987 (number)

21882987 is an odd 8-digits composite number following 21882986 and preceding 21882988. In scientific notation, it is written as 2.1882987 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 12504456 positive integers (up to 21882987) that are relatively prime to 21882987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1882987 × 10^7
Engineering notation 2.1882987 × 10^6

Prime Factorization of 21882987

Prime Factorization 3 × 7 × 9 × 115783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21882987
Product of the distinct prime numbers

The prime factorization of 21882987 is 3 × 7 × 9 × 115783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 98, 28, 549, 607, 5651, 1696, 68416, 87896, 304632, 543479, 9190104, 7810865, 30148781, 45978449, 601248729, 352887009, 8411241150, 4437064188

Basic calculations (n = 21882987)

Multiplication

n×y
n×2 43765974
n×3 65648961
n×4 87531948
n×5 109414935

Division

n÷y
n÷2 10941493.5
n÷3 7294329
n÷3 5470746.75
n÷5 4376597.4

Exponentiation

ny
n2 478865120042169
n3 1.0478999196636E+22
n4 2.29311803193E+29
n5 5.018027208219E+36

Nth Root

y√n
2√n 4677.9255017582
3√n 279.70626935409
4√n 68.395361697693
5√n 29.377938711808

Divisors of 21882987

1, 3, 7, 9, 21, 27, 63, 189, 115783, 347349, 810481, 1042047, 2431443, 3126141, 7294329, 21882987

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21882986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21882987 can be divided by 16 positive divisors. The sum of these divisors (counting 21882987) is 1, the average is 0.0625.

Base conversion 21882987

Base System Value
2 Binary 1010011011110100001101011
3 Ternary 1112011202211000
4 Quaternary 1103132201223
5 Quinary 21100223422
6 Senary 2101010043
8 Octal 123364153
10 Decimal 21882987
12 Duodecimal 73b3923
16 Hexadecimal 14de86b
20 Vigesimal 6gf797
36 Base36 d110r

Cryptographic Hash Functions

md5 ba3f02a218abcf684419f1e2aac4b4da
sha1 13276a276a1c7d4aceceafa3d8cbe8cd88d16231
sha256 113c68130cfec04df68010c9d700eb7421dabe9088cca71c3219fdee4a37061a
sha512 db64e5e1e6e5de0d0b0c40a766e6b8fbf850bc8b50afa479543cc66a7bc6eaaf089c7af022579fb9b81890e5b47470c2e5579528b7636669e797fdee3c4349b4
ripemd-160 6105e4867235622146dfefc5b6bf77f2d5ee4f87

21882987 as geometric shapes

Circle

Radius = n
Diameter 43765974
Circumference 137494862.3956
Area 1.5043991431849E+15

Sphere

Radius = n
Volume 4.3894329190834E+22
Surface area 6.0175965727395E+15
Circumference 137494862.3956

Square

Length = n
Perimeter 87531948
Area 478865120042169
Diagonal 30947217.000634

Cube

Length = n
Surface area 2873190720253014
Volume 1.0478999196636E+22
Space diagonal 37902445.305369

Equilateral Triangle

Length = n
Perimeter 65648961
Area 2.073546794714E+14
Altitude 18951222.652685

Triangular Pyramid

Length = n
Surface area 2.073546794714E+14
Volume 1.234961898665E+21
Height 10315739.000211