21420072 (number)

21420072 is an even 8-digits composite number following 21420071 and preceding 21420073. In scientific notation, it is written as 2.1420072 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors. There are 7076160 positive integers (up to 21420072) that are relatively prime to 21420072.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred twenty thousand seventy-two

Notation

Scientific notation 2.1420072 × 10^7
Engineering notation 2.1420072 × 10^6

Prime Factorization of 21420072

Prime Factorization 2 × 2 × 2 × 27 × 131 × 757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5355018
Product of the distinct prime numbers

The prime factorization of 21420072 is 2 × 2 × 2 × 27 × 131 × 757. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 2, 50, 50, 586, 987, 3399, 7807, 88556, 67802, 556226, 846665, 8430240, 3341459, 58555388, 81551024, 963499422, 803376158, 7861775842, 5556266156

Basic calculations (n = 21420072)

Multiplication

n×y
n×2 42840144
n×3 64260216
n×4 85680288
n×5 107100360

Division

n÷y
n÷2 10710036
n÷3 7140024
n÷3 5355018
n÷5 4284014.4

Exponentiation

ny
n2 458819484485184
n3 9.8279463926755E+21
n4 2.1051531934325E+29
n5 4.5092532974354E+36

Nth Root

y√n
2√n 4628.1823646006
3√n 277.71988416001
4√n 68.030745730152
5√n 29.252580642045

Divisors of 21420072

1, 2, 4, 8, 27, 54, 108, 131, 216, 262, 524, 757, 1048, 1514, 3028, 3537, 6056, 7074, 14148, 20439, 28296, 40878, 81756, 99167, 163512, 198334, 396668, 793336, 2677509, 5355018, 10710036, 21420072

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 -21420071
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 21420072 can be divided by 32 positive divisors. The sum of these divisors (counting 21420072) is 1, the average is 0.03125.

Base conversion 21420072

Base System Value
2 Binary 1010001101101100000101000
3 Ternary 1111022020211000
4 Quaternary 1101231200220
5 Quinary 20440420242
6 Senary 2043035000
8 Octal 121554050
10 Decimal 21420072
12 Duodecimal 720ba60
16 Hexadecimal 146d828
20 Vigesimal 6dha3c
36 Base36 cr3u0

Cryptographic Hash Functions

md5 96acb6dbaf971b12d73ff401da2b8213
sha1 664a5b9ddaa8622f901314fd6084b3cb0fd0138f
sha256 8efa8d6a57bdd2fc0183513605378218deb75a6ffef33b172aed81a3c655cc23
sha512 e586d660db02de82784ec68659377f48a0ee08b67d2e075588fda842bc13733095a2228c4dc37da4140a683502028daa593a5c19615b4b2f88fe4ece3091129a
ripemd-160 fac490118d0fb240b2bccf7430d37c341e1f962e

21420072 as geometric shapes

Circle

Radius = n
Diameter 42840144
Circumference 134586281.66913
Area 1.4414239217825E+15

Sphere

Radius = n
Volume 4.1167205582805E+22
Surface area 5.76569568713E+15
Circumference 134586281.66913

Square

Length = n
Perimeter 85680288
Area 458819484485184
Diagonal 30292556.329408

Cube

Length = n
Surface area 2752916906911104
Volume 9.8279463926755E+21
Space diagonal 37100653.005783

Equilateral Triangle

Length = n
Perimeter 64260216
Area 1.9867466465772E+14
Altitude 18550326.502892

Triangular Pyramid

Length = n
Surface area 1.9867466465772E+14
Volume 1.1582345898998E+21
Height 10097518.776469