21497718 (number)

21497718 is an even 8-digits composite number following 21497717 and preceding 21497719. In scientific notation, it is written as 2.1497718 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 6514440 positive integers (up to 21497718) that are relatively prime to 21497718.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand seven hundred eighteen

Notation

Scientific notation 2.1497718 × 10^7
Engineering notation 2.1497718 × 10^6

Prime Factorization of 21497718

Prime Factorization 2 × 33 × 325723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497718
Product of the distinct prime numbers

The prime factorization of 21497718 is 2 × 33 × 325723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497718)

Multiplication

n×y
n×2 42995436
n×3 64493154
n×4 85990872
n×5 107488590

Division

n÷y
n÷2 10748859
n÷3 7165906
n÷3 5374429.5
n÷5 4299543.6

Exponentiation

ny
n2 462151879207524
n3 9.9352107723734E+21
n4 2.1358435945505E+29
n5 4.5915763287752E+36

Nth Root

y√n
2√n 4636.5631668295
3√n 278.05505008534
4√n 68.092313566433
5√n 29.273757598355

Divisors of 21497718

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497717
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497718 can be divided by 8 positive divisors. The sum of these divisors (counting 21497718) is 1, the average is 0.125.

Base conversion 21497718

Base System Value
2 Binary 1010010000000011101110110
3 Ternary 1111110012022210
4 Quaternary 1102000131312
5 Quinary 21000411333
6 Senary 2044434250
8 Octal 122003566
10 Decimal 21497718
12 Duodecimal 7248986
16 Hexadecimal 1480776
20 Vigesimal 6e745i
36 Base36 csrqu

Cryptographic Hash Functions

md5 34d8405ec55cbd2e11cc18b2661d3aa3
sha1 dca1a44a456b103d05007f8a1d83ecb1a0f37d8d
sha256 56b3525a61b5d2ced8ca1c8ab86c3a59aecacdcc2d68f81684051c43b33f40ac
sha512 935299cc033267f3a3fcc618758d99360d9cac70f593190f30fc3a50e2df2711bfb5ebc1fea49cedabe99747d113d92a09b2b8df5fd53a408a8cf424679eee65
ripemd-160 8937b5434749db7f95d4ebab9a9c68a7df01e5b2

21497718 as geometric shapes

Circle

Radius = n
Diameter 42995436
Circumference 135074145.87549
Area 1.4518929485611E+15

Sphere

Radius = n
Volume 4.1616513565806E+22
Surface area 5.8075717942443E+15
Circumference 135074145.87549

Square

Length = n
Perimeter 85990872
Area 462151879207524
Diagonal 30402364.355672

Cube

Length = n
Surface area 2772911275245144
Volume 9.9352107723734E+21
Space diagonal 37235139.822788

Equilateral Triangle

Length = n
Perimeter 64493154
Area 2.0011763390022E+14
Altitude 18617569.911394

Triangular Pyramid

Length = n
Surface area 2.0011763390022E+14
Volume 1.1708758182771E+21
Height 10134121.451891