21568468 (number)

21568468 is an even 8-digits composite number following 21568467 and preceding 21568469. In scientific notation, it is written as 2.1568468 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10741760 positive integers (up to 21568468) that are relatively prime to 21568468.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand four hundred sixty-eight

Notation

Scientific notation 2.1568468 × 10^7
Engineering notation 2.1568468 × 10^6

Prime Factorization of 21568468

Prime Factorization 2 × 2 × 257 × 20981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10784234
Product of the distinct prime numbers

The prime factorization of 21568468 is 2 × 2 × 257 × 20981. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 98, 16, 223, 471, 4826, 1628, 53255, 14955, 410958, 72847, 5451048, 2012784, 21535055, 845457, 397876280, 314701716, 7532241326, 6217450985

Basic calculations (n = 21568468)

Multiplication

n×y
n×2 43136936
n×3 64705404
n×4 86273872
n×5 107842340

Division

n÷y
n÷2 10784234
n÷3 7189489.3333333
n÷3 5392117
n÷5 4313693.6

Exponentiation

ny
n2 465198811867024
n3 1.0033625687392E+22
n4 2.1640993456249E+29
n5 4.6676307484932E+36

Nth Root

y√n
2√n 4644.1864734311
3√n 278.35974681702
4√n 68.148268308381
5√n 29.293000545559

Divisors of 21568468

1, 2, 4, 257, 514, 1028, 20981, 41962, 83924, 5392117, 10784234, 21568468

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568467
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568468 can be divided by 12 positive divisors. The sum of these divisors (counting 21568468) is 1, the average is 0.083333333333333.

Base conversion 21568468

Base System Value
2 Binary 1010010010001101111010100
3 Ternary 1111120210101011
4 Quaternary 1102101233110
5 Quinary 21010142333
6 Senary 2050142004
8 Octal 122215724
10 Decimal 21568468
12 Duodecimal 7281904
16 Hexadecimal 1491bd4
20 Vigesimal 6eg138
36 Base36 cuac4

Cryptographic Hash Functions

md5 6bd921ec537621fca4a83d1e92737d3b
sha1 a3fffb93d6199385bf1b7db98954c1350541d033
sha256 0afbceac489d15ac1ab506115e78f30a0ddc813e527d73f1215fd8766871c9ca
sha512 46a8735966f2d57e7adfa03dc581decbb3c69f6ed29f5fae003025fc8213b39b3fac8c17dfab1b6f4692238d4c50bd421878acaadce17ff9e8e42905f74f5bf9
ripemd-160 4ef9477f916c260b9f144d54dcafc59baedf4e0e

21568468 as geometric shapes

Circle

Radius = n
Diameter 43136936
Circumference 135518681.23597
Area 1.4614651698201E+15

Sphere

Radius = n
Volume 4.202875299784E+22
Surface area 5.8458606792806E+15
Circumference 135518681.23597

Square

Length = n
Perimeter 86273872
Area 465198811867024
Diagonal 30502419.96521

Cube

Length = n
Surface area 2791192871202144
Volume 1.0033625687392E+22
Space diagonal 37357682.417423

Equilateral Triangle

Length = n
Perimeter 64705404
Area 2.0143699444359E+14
Altitude 18678841.208712

Triangular Pyramid

Length = n
Surface area 2.0143699444359E+14
Volume 1.1824741272404E+21
Height 10167473.321737