21087549 (number)

21087549 is an odd 8-digits composite number following 21087548 and preceding 21087550. In scientific notation, it is written as 2.1087549 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 11220768 positive integers (up to 21087549) that are relatively prime to 21087549.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand five hundred forty-nine

Notation

Scientific notation 2.1087549 × 10^7
Engineering notation 2.1087549 × 10^6

Prime Factorization of 21087549

Prime Factorization 3 × 21 × 19 × 79 × 223

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21087549
Product of the distinct prime numbers

The prime factorization of 21087549 is 3 × 21 × 19 × 79 × 223. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 5, 8, 58, 846, 993, 4852, 9865, 3265, 93446, 387600, 614910, 827048, 8409385, 8334764, 92483049, 277863068, 55321758, 8173482973, 2265877527

Basic calculations (n = 21087549)

Multiplication

n×y
n×2 42175098
n×3 63262647
n×4 84350196
n×5 105437745

Division

n÷y
n÷2 10543774.5
n÷3 7029183
n÷3 5271887.25
n÷5 4217509.8

Exponentiation

ny
n2 444684722827401
n3 9.3773108821742E+21
n4 1.9774450271608E+29
n5 4.169946890506E+36

Nth Root

y√n
2√n 4592.1181387242
3√n 276.27528456897
4√n 67.765169067333
5√n 29.161188549563

Divisors of 21087549

1, 3, 19, 21, 57, 63, 79, 223, 237, 399, 669, 1197, 1501, 1659, 4237, 4503, 4683, 4977, 12711, 14049, 17617, 31521, 52851, 88977, 94563, 266931, 334723, 369957, 1004169, 1109871, 7029183, 21087549

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087548
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087549 can be divided by 32 positive divisors. The sum of these divisors (counting 21087549) is 1, the average is 0.03125.

Base conversion 21087549

Base System Value
2 Binary 1010000011100010100111101
3 Ternary 1110200100200100
4 Quaternary 1100130110331
5 Quinary 20344300144
6 Senary 2031551313
8 Octal 120342475
10 Decimal 21087549
12 Duodecimal 708b539
16 Hexadecimal 141c53d
20 Vigesimal 6bfih9
36 Base36 cjz99

Cryptographic Hash Functions

md5 9eb38daa139e29d00f6690544380f279
sha1 b61fb5a57b98d9ee3caa57e191c08099695e0bb4
sha256 012d0172ff3c753695b1bcd01de545134e6c79acff650d97bba21af2076cc4dc
sha512 0b1597534ec731e37d9e8e8a98d0f5b1c8f381daeadfad71dbd50ba4697af7273564f0e4b680d9b64381e9d7a9a8cff13cc6ef605239612bcc1c5690f8be6c89
ripemd-160 2222c499bfaea0b9d585e2a5e035776ff7774fea

21087549 as geometric shapes

Circle

Radius = n
Diameter 42175098
Circumference 132496978.04123
Area 1.3970182583982E+15

Sphere

Radius = n
Volume 3.9279587970488E+22
Surface area 5.5880730335927E+15
Circumference 132496978.04123

Square

Length = n
Perimeter 84350196
Area 444684722827401
Diagonal 29822297.793007

Cube

Length = n
Surface area 2668108336964406
Volume 9.3773108821742E+21
Space diagonal 36524706.275098

Equilateral Triangle

Length = n
Perimeter 63262647
Area 1.9255413332169E+14
Altitude 18262353.137549

Triangular Pyramid

Length = n
Surface area 1.9255413332169E+14
Volume 1.10512668568E+21
Height 9940765.9310024