21497071 (number)

21497071 is an odd 8-digits composite number following 21497070 and preceding 21497072. In scientific notation, it is written as 2.1497071 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21144600 positive integers (up to 21497071) that are relatively prime to 21497071.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497071 × 10^7
Engineering notation 2.1497071 × 10^6

Prime Factorization of 21497071

Prime Factorization 61 × 352411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21497071
Product of the distinct prime numbers

The prime factorization of 21497071 is 61 × 352411. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497071)

Multiplication

n×y
n×2 42994142
n×3 64491213
n×4 85988284
n×5 107485355

Division

n÷y
n÷2 10748535.5
n÷3 7165690.3333333
n÷3 5374267.75
n÷5 4299414.2

Exponentiation

ny
n2 462124061579041
n3 9.934313762573E+21
n4 2.1355864829031E+29
n5 4.5908854249608E+36

Nth Root

y√n
2√n 4636.4933947974
3√n 278.05226058892
4√n 68.091801230379
5√n 29.273581390358

Divisors of 21497071

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497070
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497071 can be divided by 4 positive divisors. The sum of these divisors (counting 21497071) is 1, the average is 0.25.

Base conversion 21497071

Base System Value
2 Binary 1010010000000010011101111
3 Ternary 1111110011102211
4 Quaternary 1102000103233
5 Quinary 21000401241
6 Senary 2044431251
8 Octal 122002357
10 Decimal 21497071
12 Duodecimal 7248527
16 Hexadecimal 14804ef
20 Vigesimal 6e72db
36 Base36 csr8v

Cryptographic Hash Functions

md5 eff668d21233cbf214f6f813b183d7a2
sha1 ee7dc6db0f5a34561f6cdd0b7c59f778a90ce9c4
sha256 a4d38603a2f93d984af22e5b71496004426e19142150f965808199c517121451
sha512 de4a3fa53dc48f5dc5422930dc8ddd26a76ace120dff2082bc2134a42171d4fde02c4ad6e8f6e8d83c91344e39173b5892385befee6ad023390998037fdff625
ripemd-160 3f3fee915058fed85f4b88003300e39bd255dffa

21497071 as geometric shapes

Circle

Radius = n
Diameter 42994142
Circumference 135070080.6546
Area 1.4518055569038E+15

Sphere

Radius = n
Volume 4.161275617994E+22
Surface area 5.8072222276152E+15
Circumference 135070080.6546

Square

Length = n
Perimeter 85988284
Area 462124061579041
Diagonal 30401449.359497

Cube

Length = n
Surface area 2772744369474246
Volume 9.934313762573E+21
Space diagonal 37234019.185915

Equilateral Triangle

Length = n
Perimeter 64491213
Area 2.0010558851375E+14
Altitude 18617009.592958

Triangular Pyramid

Length = n
Surface area 2.0010558851375E+14
Volume 1.1707701046584E+21
Height 10133816.453166