21715 (number)

21715 is an odd 5-digits composite number following 21714 and preceding 21716. In scientific notation, it is written as 2.1715 × 10^4. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 16800 positive integers (up to 21715) that are relatively prime to 21715.

Interesting facts

Basic properties

Name

Name twenty-one thousand seven hundred fifteen

Notation

Scientific notation 2.1715 × 10^4
Engineering notation 2.1715 × 10^3

Prime Factorization of 21715

Prime Factorization 5 × 101 × 43

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21715
Product of the distinct prime numbers

The prime factorization of 21715 is 5 × 101 × 43. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 40, 93, 833, 642, 6943, 616, 95047, 89924, 23255, 800787, 2873731, 6675627, 66851882, 89137940, 969172880, 461999009, 6023646439, 8181792693

Basic calculations (n = 21715)

Multiplication

n×y
n×2 43430
n×3 65145
n×4 86860
n×5 108575

Division

n÷y
n÷2 10857.5
n÷3 7238.3333333333
n÷3 5428.75
n÷5 4343

Exponentiation

ny
n2 471541225
n3 10239517700875
n4 222351126874500625
n5 4.8283547200798E+21

Nth Root

y√n
2√n 147.36010314872
3√n 27.898869872818
4√n 12.139196972976
5√n 7.3680398612883

Divisors of 21715

1, 5, 43, 101, 215, 505, 4343, 21715

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 -21714
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 21715 can be divided by 8 positive divisors. The sum of these divisors (counting 21715) is 1, the average is 0.125.

Base conversion 21715

Base System Value
2 Binary 101010011010011
3 Ternary 1002210021
4 Quaternary 11103103
5 Quinary 1143330
6 Senary 244311
8 Octal 52323
10 Decimal 21715
12 Duodecimal 10697
16 Hexadecimal 54d3
20 Vigesimal 2e5f
36 Base36 gr7

Cryptographic Hash Functions

md5 77e8db907380e5d3997fe840c6578cbe
sha1 c387788d323c27243978664a7b572912fe52ada5
sha256 a954dd148bce836b26723cee5145cb66eb553c2466c29e30f912456b8fa21cc3
sha512 023598fca58ec721e50b7b2857f87e0789f867878bb7f5a642a7defe8f9b56c2269381201b474929385b8e3ad9df1dd6fe7fffd3a36cff00e0d4838dd67a1961
ripemd-160 924cb7fc69e7e205cbda11937354cfa2448b0f7d

21715 as geometric shapes

Circle

Radius = n
Diameter 43430
Circumference 136439.3689454
Area 1481390448.3247

Sphere

Radius = n
Volume 42891191447162
Surface area 5925561793.2989
Circumference 136439.3689454

Square

Length = n
Perimeter 86860
Area 471541225
Diagonal 30709.647506932

Cube

Length = n
Surface area 2829247350
Volume 10239517700875
Space diagonal 37611.483286358

Equilateral Triangle

Length = n
Perimeter 65145
Area 204183339.89082
Altitude 18805.741643179

Triangular Pyramid

Length = n
Surface area 204183339.89082
Volume 1206738733728.1
Height 10236.549168977