21568105 (number)

21568105 is an odd 8-digits composite number following 21568104 and preceding 21568106. In scientific notation, it is written as 2.1568105 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 15867648 positive integers (up to 21568105) that are relatively prime to 21568105.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1568105 × 10^7
Engineering notation 2.1568105 × 10^6

Prime Factorization of 21568105

Prime Factorization 5 × 13 × 389 × 853

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21568105
Product of the distinct prime numbers

The prime factorization of 21568105 is 5 × 13 × 389 × 853. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 64, 61, 711, 975, 5374, 614, 48828, 36519, 169478, 123901, 3086097, 7508177, 16975, 39072072, 23237147, 570809798, 5614672905, 8133424828

Basic calculations (n = 21568105)

Multiplication

n×y
n×2 43136210
n×3 64704315
n×4 86272420
n×5 107840525

Division

n÷y
n÷2 10784052.5
n÷3 7189368.3333333
n÷3 5392026.25
n÷5 4313621

Exponentiation

ny
n2 465183153291025
n3 1.0033119094412E+22
n4 2.1639536610578E+29
n5 4.6672379776829E+36

Nth Root

y√n
2√n 4644.1473921485
3√n 278.35818519854
4√n 68.147981570612
5√n 29.292901943926

Divisors of 21568105

1, 5, 13, 65, 389, 853, 1945, 4265, 5057, 11089, 25285, 55445, 331817, 1659085, 4313621, 21568105

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568104
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568105 can be divided by 16 positive divisors. The sum of these divisors (counting 21568105) is 1, the average is 0.0625.

Base conversion 21568105

Base System Value
2 Binary 1010010010001101001101001
3 Ternary 1111120202212201
4 Quaternary 1102101221221
5 Quinary 21010134410
6 Senary 2050140201
8 Octal 122215151
10 Decimal 21568105
12 Duodecimal 7281661
16 Hexadecimal 1491a69
20 Vigesimal 6eg055
36 Base36 cua21

Cryptographic Hash Functions

md5 37e00289005702e795e883ce7615a13e
sha1 0a1cb6c4ead82b8cd217c41f50bd414247cacd80
sha256 9a2372a12494fa382c670b8f088bb00f7199268576bebeeb69c321838d207bda
sha512 5a996cbfe9c8bf20b4e6866017d0ccb0aac6b1c6f203357d5abe61cfc6016fd844f2e6f4fafec0cb803b9333a9a8d604a7b11f7dabd7a943d65b2ea128706264
ripemd-160 8c145ffe24cc409c9d5552d41145f7ca79646f68

21568105 as geometric shapes

Circle

Radius = n
Diameter 43136210
Circumference 135516400.43971
Area 1.4614159769528E+15

Sphere

Radius = n
Volume 4.2026630986128E+22
Surface area 5.8456639078113E+15
Circumference 135516400.43971

Square

Length = n
Perimeter 86272420
Area 465183153291025
Diagonal 30501906.605687

Cube

Length = n
Surface area 2791098919746150
Volume 1.0033119094412E+22
Space diagonal 37357053.68298

Equilateral Triangle

Length = n
Perimeter 64704315
Area 2.0143021408129E+14
Altitude 18678526.84149

Triangular Pyramid

Length = n
Surface area 2.0143021408129E+14
Volume 1.1824144246852E+21
Height 10167302.201896