21087963 (number)

21087963 is an odd 8-digits composite number following 21087962 and preceding 21087964. In scientific notation, it is written as 2.1087963 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 12977136 positive integers (up to 21087963) that are relatively prime to 21087963.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand nine hundred sixty-three

Notation

Scientific notation 2.1087963 × 10^7
Engineering notation 2.1087963 × 10^6

Prime Factorization of 21087963

Prime Factorization 3 × 3 × 13 × 180239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7029321
Product of the distinct prime numbers

The prime factorization of 21087963 is 3 × 3 × 13 × 180239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 69, 97, 465, 292, 2928, 6965, 41215, 45342, 565588, 276478, 4329480, 5230315, 47968652, 21610325, 456308710, 555144912, 5915155987, 787151116

Basic calculations (n = 21087963)

Multiplication

n×y
n×2 42175926
n×3 63263889
n×4 84351852
n×5 105439815

Division

n÷y
n÷2 10543981.5
n÷3 7029321
n÷3 5271990.75
n÷5 4217592.6

Exponentiation

ny
n2 444702183489369
n3 9.377863191443E+21
n4 1.9776003200021E+29
n5 4.1703562376993E+36

Nth Root

y√n
2√n 4592.1632157405
3√n 276.27709254295
4√n 67.765501663756
5√n 29.16130304971

Divisors of 21087963

1, 3, 9, 13, 39, 117, 180239, 540717, 1622151, 2343107, 7029321, 21087963

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 -21087962
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 21087963 can be divided by 12 positive divisors. The sum of these divisors (counting 21087963) is 1, the average is 0.083333333333333.

Base conversion 21087963

Base System Value
2 Binary 1010000011100011011011011
3 Ternary 1110200101020200
4 Quaternary 1100130123123
5 Quinary 20344303323
6 Senary 2031553243
8 Octal 120343333
10 Decimal 21087963
12 Duodecimal 708b823
16 Hexadecimal 141c6db
20 Vigesimal 6bfji3
36 Base36 cjzkr

Cryptographic Hash Functions

md5 76919d9b291b52f54864cd785fa4b121
sha1 598b473b724d85cd33bb986618f88535e2392678
sha256 7cdae2328a72f1ae61a7110d9df90d4fbaef18ab46771847bcf1cbf7b20a02cd
sha512 e0cc723e4f15a6edff7c953fb834659b9001a0264a469e4f38a8e33e0f7228b59a2d71d4ece833734b18b24f1480e7a4814b5b99ac7c4aeab278c0d3e1755459
ripemd-160 ab43861d17b1329043a261ba648cc1c2426d8b86

21087963 as geometric shapes

Circle

Radius = n
Diameter 42175926
Circumference 132499579.27995
Area 1.3970731126855E+15

Sphere

Radius = n
Volume 3.9281901478143E+22
Surface area 5.5882924507422E+15
Circumference 132499579.27995

Square

Length = n
Perimeter 84351852
Area 444702183489369
Diagonal 29822883.277422

Cube

Length = n
Surface area 2668213100936214
Volume 9.377863191443E+21
Space diagonal 36525423.344133

Equilateral Triangle

Length = n
Perimeter 63263889
Area 1.925616940101E+14
Altitude 18262711.672066

Triangular Pyramid

Length = n
Surface area 1.925616940101E+14
Volume 1.1051917759515E+21
Height 9940961.092474