21697951 (number)

21697951 is an odd 8-digits composite number following 21697950 and preceding 21697952. In scientific notation, it is written as 2.1697951 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 19725400 positive integers (up to 21697951) that are relatively prime to 21697951.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1697951 × 10^7
Engineering notation 2.1697951 × 10^6

Prime Factorization of 21697951

Prime Factorization 11 × 1972541

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21697951
Product of the distinct prime numbers

The prime factorization of 21697951 is 11 × 1972541. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21697951)

Multiplication

n×y
n×2 43395902
n×3 65093853
n×4 86791804
n×5 108489755

Division

n÷y
n÷2 10848975.5
n÷3 7232650.3333333
n÷3 5424487.75
n÷5 4339590.2

Exponentiation

ny
n2 470801077598401
n3 1.0215418712477E+22
n4 2.2165365466782E+29
n5 4.8094301379532E+36

Nth Root

y√n
2√n 4658.1059455534
3√n 278.91566589867
4√n 68.2503182817
5√n 29.328087600536

Divisors of 21697951

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 -21697950
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 21697951 can be divided by 4 positive divisors. The sum of these divisors (counting 21697951) is 1, the average is 0.25.

Base conversion 21697951

Base System Value
2 Binary 1010010110001010110011111
3 Ternary 1111211100222211
4 Quaternary 1102301112133
5 Quinary 21023313301
6 Senary 2053021251
8 Octal 122612637
10 Decimal 21697951
12 Duodecimal 7324827
16 Hexadecimal 14b159f
20 Vigesimal 6fc4hb
36 Base36 cx28v

Cryptographic Hash Functions

md5 799e94a8fd8e51d2030a0911926c632b
sha1 74466a8763a0a714a5ad565dd1a881eaf2024a75
sha256 101676721dd66dd75689b4df15582b3907c68752c207ddc67bf86dd4ef38fc57
sha512 0f0ed427678a48316a958217c1226c867beafd2f1fa1b92c3f57cc5015077b31bb1e93659a9e75df8cd5a1fdd42213e960d4d3f703c145f4309b52765b18b9ee
ripemd-160 1b1e4bdb0a705305facfe28cbfea7d662a9207b5

21697951 as geometric shapes

Circle

Radius = n
Diameter 43395902
Circumference 136332246.9191
Area 1.4790652066853E+15

Sphere

Radius = n
Volume 4.2790245840617E+22
Surface area 5.9162608267412E+15
Circumference 136332246.9191

Square

Length = n
Perimeter 86791804
Area 470801077598401
Diagonal 30685536.579907

Cube

Length = n
Surface area 2824806465590406
Volume 1.0215418712477E+22
Space diagonal 37581953.55214

Equilateral Triangle

Length = n
Perimeter 65093853
Area 2.0386284666465E+14
Altitude 18790976.77607

Triangular Pyramid

Length = n
Surface area 2.0386284666465E+14
Volume 1.2038986407088E+21
Height 10228512.193302