21297680 (number)

21297680 is an even 8-digits composite number following 21297679 and preceding 21297681. In scientific notation, it is written as 2.1297680 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 8519040 positive integers (up to 21297680) that are relatively prime to 21297680.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-seven thousand six hundred eighty

Notation

Scientific notation 2.1297680 × 10^7
Engineering notation 2.1297680 × 10^6

Prime Factorization of 21297680

Prime Factorization 2 × 2 × 2 × 2 × 5 × 266221

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2662210
Product of the distinct prime numbers

The prime factorization of 21297680 is 2 × 2 × 2 × 2 × 5 × 266221. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21297680)

Multiplication

n×y
n×2 42595360
n×3 63893040
n×4 85190720
n×5 106488400

Division

n÷y
n÷2 10648840
n÷3 7099226.6666667
n÷3 5324420
n÷5 4259536

Exponentiation

ny
n2 453591173382400
n3 9.6604396615229E+21
n4 2.0574495257042E+29
n5 4.38189016146E+36

Nth Root

y√n
2√n 4614.940953035
3√n 277.18991958468
4√n 67.933356703721
5√n 29.219074751351

Divisors of 21297680

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21297679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21297680 can be divided by 20 positive divisors. The sum of these divisors (counting 21297680) is 1, the average is 0.05.

Base conversion 21297680

Base System Value
2 Binary 1010001001111101000010000
3 Ternary 1111002000220222
4 Quaternary 1101033220100
5 Quinary 20423011210
6 Senary 2040252212
8 Octal 121175020
10 Decimal 21297680
12 Duodecimal 7171068
16 Hexadecimal 144fa10
20 Vigesimal 6d2440
36 Base36 cohe8

Cryptographic Hash Functions

md5 c950d7767195e6a7cdc8dee288cd24f0
sha1 80b51194255a243f2fd91b5df2ad45ad7249fd6c
sha256 14f00a0955d3a642fb17ab701f09894fda8126b998b02d900e872601d342f096
sha512 833c52cfe26ec793724bb5c18153ba249e5746f185ae51def5caa5c9e51bf608d677d7ab5264906be6879652f8f140ca671a81f7e01f6e213046a9af7a2932cf
ripemd-160 1a9823f13f3ee9bb1e98cc06d6f543640227abdd

21297680 as geometric shapes

Circle

Radius = n
Diameter 42595360
Circumference 133817270.05301
Area 1.4249986980313E+15

Sphere

Radius = n
Volume 4.0465555028117E+22
Surface area 5.6999947921253E+15
Circumference 133817270.05301

Square

Length = n
Perimeter 85190720
Area 453591173382400
Diagonal 30119467.903082

Cube

Length = n
Surface area 2721547040294400
Volume 9.6604396615229E+21
Space diagonal 36888663.843344

Equilateral Triangle

Length = n
Perimeter 63893040
Area 1.9641073954078E+14
Altitude 18444331.921672

Triangular Pyramid

Length = n
Surface area 1.9641073954078E+14
Volume 1.1384937323177E+21
Height 10039822.634361