21495551 (number)

21495551 is an odd 8-digits composite number following 21495550 and preceding 21495552. In scientific notation, it is written as 2.1495551 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 16586880 positive integers (up to 21495551) that are relatively prime to 21495551.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand five hundred fifty-one

Notation

Scientific notation 2.1495551 × 10^7
Engineering notation 2.1495551 × 10^6

Prime Factorization of 21495551

Prime Factorization 77 × 107 × 2609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21495551
Product of the distinct prime numbers

The prime factorization of 21495551 is 77 × 107 × 2609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495551)

Multiplication

n×y
n×2 42991102
n×3 64486653
n×4 85982204
n×5 107477755

Division

n÷y
n÷2 10747775.5
n÷3 7165183.6666667
n÷3 5373887.75
n÷5 4299110.2

Exponentiation

ny
n2 462058712793601
n3 9.9322066258492E+21
n4 2.1349825406848E+29
n5 4.58926260874E+36

Nth Root

y√n
2√n 4636.3294749187
3√n 278.04570699227
4√n 68.090597551488
5√n 29.273167407427

Divisors of 21495551

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 -21495550
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 21495551 can be divided by 8 positive divisors. The sum of these divisors (counting 21495551) is 1, the average is 0.125.

Base conversion 21495551

Base System Value
2 Binary 1010001111111111011111111
3 Ternary 1111110002100112
4 Quaternary 1101333323333
5 Quinary 21000324201
6 Senary 2044420235
8 Octal 121777377
10 Decimal 21495551
12 Duodecimal 724767b
16 Hexadecimal 147feff
20 Vigesimal 6e6ihb
36 Base36 csq2n

Cryptographic Hash Functions

md5 545d30caff82cbbfdf1a6cef3f4825e2
sha1 bb952977d534ecf9c58c43354aee792260d5c48d
sha256 1f595e766d4f9fa9ae20341322bfc19f012e7fea26ffb42ab0717ad8f448c5dd
sha512 063dce6912d81ad3dea504c86c0f199591250060d1b52a5a96790a281876cdd0005078236ed89f6209373b3860f41a28a8c1f340bdec03161e5b2f1a00ea951b
ripemd-160 a6a7731c313d8212c88d2739497875421b682721

21495551 as geometric shapes

Circle

Radius = n
Diameter 42991102
Circumference 135060530.21293
Area 1.4516002576395E+15

Sphere

Radius = n
Volume 4.1603929826272E+22
Surface area 5.8064010305581E+15
Circumference 135060530.21293

Square

Length = n
Perimeter 85982204
Area 462058712793601
Diagonal 30399299.754883

Cube

Length = n
Surface area 2772352276761606
Volume 9.9322066258492E+21
Space diagonal 37231386.468688

Equilateral Triangle

Length = n
Perimeter 64486653
Area 2.000772916596E+14
Altitude 18615693.234344

Triangular Pyramid

Length = n
Surface area 2.000772916596E+14
Volume 1.170521776214E+21
Height 10133099.918294