21697923 (number)

21697923 is an odd 8-digits composite number following 21697922 and preceding 21697924. In scientific notation, it is written as 2.1697923 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 12729600 positive integers (up to 21697923) that are relatively prime to 21697923.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1697923 × 10^7
Engineering notation 2.1697923 × 10^6

Prime Factorization of 21697923

Prime Factorization 3 × 31 × 13 × 137 × 131

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21697923
Product of the distinct prime numbers

The prime factorization of 21697923 is 3 × 31 × 13 × 137 × 131. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 22, 27, 206, 717, 9257, 1462, 15433, 38995, 835269, 553847, 6220632, 5322641, 26314814, 32558795, 541013420, 687523804, 3855071978, 3079180538

Basic calculations (n = 21697923)

Multiplication

n×y
n×2 43395846
n×3 65093769
n×4 86791692
n×5 108489615

Division

n÷y
n÷2 10848961.5
n÷3 7232641
n÷3 5424480.75
n÷5 4339584.6

Exponentiation

ny
n2 470799862513929
n3 1.0215379165238E+22
n4 2.2165251054313E+29
n5 4.8093991065216E+36

Nth Root

y√n
2√n 4658.102940039
3√n 278.91554592356
4√n 68.250296263379
5√n 29.328080031278

Divisors of 21697923

1, 3, 13, 31, 39, 93, 131, 137, 393, 403, 411, 1209, 1703, 1781, 4061, 4247, 5109, 5343, 12183, 12741, 17947, 52793, 53841, 55211, 158379, 165633, 233311, 556357, 699933, 1669071, 7232641, 21697923

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 -21697922
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 21697923 can be divided by 32 positive divisors. The sum of these divisors (counting 21697923) is 1, the average is 0.03125.

Base conversion 21697923

Base System Value
2 Binary 1010010110001010110000011
3 Ternary 1111211100221210
4 Quaternary 1102301112003
5 Quinary 21023313143
6 Senary 2053021203
8 Octal 122612603
10 Decimal 21697923
12 Duodecimal 7324803
16 Hexadecimal 14b1583
20 Vigesimal 6fc4g3
36 Base36 cx283

Cryptographic Hash Functions

md5 87645369d96637b8bc0f5ccc962b815c
sha1 9a5f2f7d47d5f800edb15866260e45293c2ef5a2
sha256 510727644acf7c824b6e48cdca354952cb7c8b3dc70ed38c733784fe2994d509
sha512 244ebe4b6be69168e0116399b77eda03988f9daa6f2fc1f452b0e173ad81fc545c1b5f1a990540a14359f423e874732d8942148f64f3bf0ceac934811e53e3b0
ripemd-160 8882790bf03eab26f03b090b06ebe4125a9b5fd5

21697923 as geometric shapes

Circle

Radius = n
Diameter 43395846
Circumference 136332070.98991
Area 1.4790613893848E+15

Sphere

Radius = n
Volume 4.2790080185527E+22
Surface area 5.9162455575394E+15
Circumference 136332070.98991

Square

Length = n
Perimeter 86791692
Area 470799862513929
Diagonal 30685496.981927

Cube

Length = n
Surface area 2824799175083574
Volume 1.0215379165238E+22
Space diagonal 37581905.054717

Equilateral Triangle

Length = n
Perimeter 65093769
Area 2.0386232051764E+14
Altitude 18790952.527359

Triangular Pyramid

Length = n
Surface area 2.0386232051764E+14
Volume 1.2038939800219E+21
Height 10228498.993976