21697908 (number)

21697908 is an even 8-digits composite number following 21697907 and preceding 21697909. In scientific notation, it is written as 2.1697908 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 7187616 positive integers (up to 21697908) that are relatively prime to 21697908.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-seven thousand nine hundred eight

Notation

Scientific notation 2.1697908 × 10^7
Engineering notation 2.1697908 × 10^6

Prime Factorization of 21697908

Prime Factorization 2 × 2 × 3 × 163 × 11093

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10848954
Product of the distinct prime numbers

The prime factorization of 21697908 is 2 × 2 × 3 × 163 × 11093. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 2, 61, 21, 359, 460, 1909, 8924, 86835, 70336, 701082, 417698, 7841570, 1773227, 98772879, 89948321, 89122501, 299087198, 9483425619, 4317483941

Basic calculations (n = 21697908)

Multiplication

n×y
n×2 43395816
n×3 65093724
n×4 86791632
n×5 108489540

Division

n÷y
n÷2 10848954
n÷3 7232636
n÷3 5424477
n÷5 4339581.6

Exponentiation

ny
n2 470799211576464
n3 1.0215357979259E+22
n4 2.2165189762102E+29
n5 4.8093824826063E+36

Nth Root

y√n
2√n 4658.1013299412
3√n 278.91548165114
4√n 68.250284467841
5√n 29.328075976316

Divisors of 21697908

1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 11093, 22186, 33279, 44372, 66558, 133116, 1808159, 3616318, 5424477, 7232636, 10848954, 21697908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21697907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21697908 can be divided by 24 positive divisors. The sum of these divisors (counting 21697908) is 1, the average is 0.041666666666667.

Base conversion 21697908

Base System Value
2 Binary 1010010110001010101110100
3 Ternary 1111211100221020
4 Quaternary 1102301111310
5 Quinary 21023313113
6 Senary 2053021140
8 Octal 122612564
10 Decimal 21697908
12 Duodecimal 73247b0
16 Hexadecimal 14b1574
20 Vigesimal 6fc4f8
36 Base36 cx27o

Cryptographic Hash Functions

md5 18b5f685439f857550385e0582e04521
sha1 e03c74bc55bded1d21c85d7790e6423ea22e1134
sha256 d6ee0a658e96b1a6e4b3f43b9badeeccf508030c5f2acfb72b54ac6975a20ba5
sha512 56c5abaf819ae12cdb4df28b345ab748bf1b739c326ae840c4fd2a370a20f3b2f203315f8140f90e975b9bcad4e7c64588f3771a7160afacd119f6c7e57b4ea1
ripemd-160 00c0154dac7d73435a401d19fe7dff8588739c41

21697908 as geometric shapes

Circle

Radius = n
Diameter 43395816
Circumference 136331976.74213
Area 1.4790593444045E+15

Sphere

Radius = n
Volume 4.2789991441905E+22
Surface area 5.9162373776179E+15
Circumference 136331976.74213

Square

Length = n
Perimeter 86791632
Area 470799211576464
Diagonal 30685475.768724

Cube

Length = n
Surface area 2824795269458784
Volume 1.0215357979259E+22
Space diagonal 37581879.073955

Equilateral Triangle

Length = n
Perimeter 65093724
Area 2.0386203865345E+14
Altitude 18790939.536978

Triangular Pyramid

Length = n
Surface area 2.0386203865345E+14
Volume 1.2038914832303E+21
Height 10228491.922908