21697 (number)

21697 is an odd 5-digits composite number following 21696 and preceding 21698. In scientific notation, it is written as 2.1697 × 10^4. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20016 positive integers (up to 21697) that are relatively prime to 21697.

Interesting facts

Basic properties

Name

Name twenty-one thousand six hundred ninety-seven

Notation

Scientific notation 2.1697 × 10^4
Engineering notation 2.1697 × 10^3

Prime Factorization of 21697

Prime Factorization 13 × 1669

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21697
Product of the distinct prime numbers

The prime factorization of 21697 is 13 × 1669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21697)

Multiplication

n×y
n×2 43394
n×3 65091
n×4 86788
n×5 108485

Division

n÷y
n÷2 10848.5
n÷3 7232.3333333333
n÷3 5424.25
n÷5 4339.4

Exponentiation

ny
n2 470759809
n3 10214075575873
n4 221614797769716481
n5 4.8083762672095E+21

Nth Root

y√n
2√n 147.2990156111
3√n 27.891159097206
4√n 12.136680584538
5√n 7.3668179528056

Divisors of 21697

1, 13, 1669, 21697

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21696
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21697 can be divided by 4 positive divisors. The sum of these divisors (counting 21697) is 1, the average is 0.25.

Base conversion 21697

Base System Value
2 Binary 101010011000001
3 Ternary 1002202121
4 Quaternary 11103001
5 Quinary 1143242
6 Senary 244241
8 Octal 52301
10 Decimal 21697
12 Duodecimal 10681
16 Hexadecimal 54c1
20 Vigesimal 2e4h
36 Base36 gqp

Cryptographic Hash Functions

md5 fdd210228f5fd6df874a03b6df28fc9a
sha1 11db4c4cfc0ddc77abd7f897006894c0a4d79357
sha256 030069d5dbe8a0c53757d2b04341eb1f45cf333e105cac85958b466ac1ce3feb
sha512 25ef0fd23ee2d2d3808c5ee16899ca422f1ea771228b75afda75bc79721d4fac1e757aba8b8bb8e8a0af075630cb6db4a0c31188801e79ee70eddfbcc49ebeb3
ripemd-160 48844ce2953409237264f7a939de991ed8424959

21697 as geometric shapes

Circle

Radius = n
Diameter 43394
Circumference 136326.27160988
Area 1478935557.5597

Sphere

Radius = n
Volume 42784619723165
Surface area 5915742230.2389
Circumference 136326.27160988

Square

Length = n
Perimeter 86788
Area 470759809
Diagonal 30684.191662809

Cube

Length = n
Surface area 2824558854
Volume 10214075575873
Space diagonal 37580.306371822

Equilateral Triangle

Length = n
Perimeter 65091
Area 203844976.83736
Altitude 18790.153185911

Triangular Pyramid

Length = n
Surface area 203844976.83736
Volume 1203740350541.9
Height 10228.063887603