21687310 (number)

21687310 is an even 8-digits composite number following 21687309 and preceding 21687311. In scientific notation, it is written as 2.1687310 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8674920 positive integers (up to 21687310) that are relatively prime to 21687310.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-seven thousand three hundred ten

Notation

Scientific notation 2.1687310 × 10^7
Engineering notation 2.1687310 × 10^6

Prime Factorization of 21687310

Prime Factorization 2 × 5 × 2168731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21687310
Product of the distinct prime numbers

The prime factorization of 21687310 is 2 × 5 × 2168731. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21687310)

Multiplication

n×y
n×2 43374620
n×3 65061930
n×4 86749240
n×5 108436550

Division

n÷y
n÷2 10843655
n÷3 7229103.3333333
n÷3 5421827.5
n÷5 4337462

Exponentiation

ny
n2 470339415036100
n3 1.0200396699107E+22
n4 2.212191653365E+29
n5 4.7976486165939E+36

Nth Root

y√n
2√n 4656.9636030358
3√n 278.87006363715
4√n 68.241948997928
5√n 29.325210449438

Divisors of 21687310

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 -21687309
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 21687310 can be divided by 8 positive divisors. The sum of these divisors (counting 21687310) is 1, the average is 0.125.

Base conversion 21687310

Base System Value
2 Binary 1010010101110110000001110
3 Ternary 1111210211101201
4 Quaternary 1102232300032
5 Quinary 21022443220
6 Senary 2052500114
8 Octal 122566016
10 Decimal 21687310
12 Duodecimal 731a63a
16 Hexadecimal 14aec0e
20 Vigesimal 6fai5a
36 Base36 cwu1a

Cryptographic Hash Functions

md5 168d74e6057ea49d69e8a1c5644c16f2
sha1 7e6e93d0f77300b530104505ee83c8177a96ca50
sha256 0c07d3d91dcdd5bc3530f93c21c8321bb85a8eae11c8ef495e92b330be6d5de3
sha512 4148b9b1add635fcfa7b4fcab3311b19a0850370d8d06fb8a70f5b7edf9ccb7406f6bec332525d20ee20aceb6f7f49c48609918f31f659f1765be7a4a824b476
ripemd-160 459eab4e53b23d0cbc1ccbe6f7a66197a287323e

21687310 as geometric shapes

Circle

Radius = n
Diameter 43374620
Circumference 136265387.54425
Area 1.4776148509711E+15

Sphere

Radius = n
Volume 4.2727321778153E+22
Surface area 5.9104594038845E+15
Circumference 136265387.54425

Square

Length = n
Perimeter 86749240
Area 470339415036100
Diagonal 30670487.93339

Cube

Length = n
Surface area 2822036490216600
Volume 1.0200396699107E+22
Space diagonal 37563522.799497

Equilateral Triangle

Length = n
Perimeter 65061930
Area 2.0366294091119E+14
Altitude 18781761.399748

Triangular Pyramid

Length = n
Surface area 2.0366294091119E+14
Volume 1.2021282794552E+21
Height 10223495.977797