21497621 (number)

21497621 is an odd 8-digits prime number following 21497620 and preceding 21497622. In scientific notation, it is written as 2.1497621 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 21497620 positive integers (up to 21497621) that are relatively prime to 21497621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497621 × 10^7
Engineering notation 2.1497621 × 10^6

Prime Factorization of 21497621

Prime Factorization 21497621

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21497621
Product of the distinct prime numbers

The prime factorization of 21497621 is 21497621. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 4, 38, 89, 500, 753, 9827, 703, 41447, 46243, 377619, 222014, 4918853, 7451382, 53410488, 59585235, 187373413, 360275343, 5398714227, 8363450222

Basic calculations (n = 21497621)

Multiplication

n×y
n×2 42995242
n×3 64492863
n×4 85990484
n×5 107488105

Division

n÷y
n÷2 10748810.5
n÷3 7165873.6666667
n÷3 5374405.25
n÷5 4299524.2

Exponentiation

ny
n2 462147708659641
n3 9.9350762867834E+21
n4 2.1358050461936E+29
n5 4.5914727412957E+36

Nth Root

y√n
2√n 4636.5527064836
3√n 278.05463188001
4√n 68.092236756355
5√n 29.273731181043

Divisors of 21497621

1, 21497621

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21497622
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10748811
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4636.5528143223
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999069665
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497621 can be divided by 2 positive divisors. The sum of these divisors (counting 21497621) is 21497622, the average is 10748811.

Base conversion 21497621

Base System Value
2 Binary 1010010000000011100010101
3 Ternary 1111110012012012
4 Quaternary 1102000130111
5 Quinary 21000410441
6 Senary 2044434005
8 Octal 122003425
10 Decimal 21497621
12 Duodecimal 7248905
16 Hexadecimal 1480715
20 Vigesimal 6e7411
36 Base36 csro5

Cryptographic Hash Functions

md5 9e4acf6f8b0dd6c9ba7a0b3c2bdf1225
sha1 d16ff3c1d101839bd97b412dfc5867ace3462012
sha256 f96440c807c063029b9bda41e4588d8a663847f9c6e36964cd9670b6b54b3db6
sha512 95c5c00353c77439440fcc941d04e8a7e446992577ee155e2b642063cb48259e5ca7d1fb211e84fb80d7ac9fc6ed52b8c7f395aa4dcbcce36e9e8ef940aac639
ripemd-160 da7e6d014b0aa37dc508b4e88f5c97c57c6588ec

21497621 as geometric shapes

Circle

Radius = n
Diameter 42995242
Circumference 135073536.40652
Area 1.4518798463985E+15

Sphere

Radius = n
Volume 4.1615950233884E+22
Surface area 5.8075193855939E+15
Circumference 135073536.40652

Square

Length = n
Perimeter 85990484
Area 462147708659641
Diagonal 30402227.176957

Cube

Length = n
Surface area 2772886251957846
Volume 9.9350762867834E+21
Space diagonal 37234971.81386

Equilateral Triangle

Length = n
Perimeter 64492863
Area 2.0011582800001E+14
Altitude 18617485.90693

Triangular Pyramid

Length = n
Surface area 2.0011582800001E+14
Volume 1.1708599689984E+21
Height 10134075.725652