21690747 (number)

21690747 is an odd 8-digits composite number following 21690746 and preceding 21690748. In scientific notation, it is written as 2.1690747 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 13347504 positive integers (up to 21690747) that are relatively prime to 21690747.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1690747 × 10^7
Engineering notation 2.1690747 × 10^6

Prime Factorization of 21690747

Prime Factorization 13 × 9 × 9 × 20599

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2410083
Product of the distinct prime numbers

The prime factorization of 21690747 is 13 × 9 × 9 × 20599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21690747)

Multiplication

n×y
n×2 43381494
n×3 65072241
n×4 86762988
n×5 108453735

Division

n÷y
n÷2 10845373.5
n÷3 7230249
n÷3 5422686.75
n÷5 4338149.4

Exponentiation

ny
n2 470488505418009
n3 1.020524713743E+22
n4 2.2135943373047E+29
n5 4.8014514731109E+36

Nth Root

y√n
2√n 4657.3326056875
3√n 278.88479461393
4√n 68.244652579433
5√n 29.32613988107

Divisors of 21690747

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21690746
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21690747 can be divided by 12 positive divisors. The sum of these divisors (counting 21690747) is 1, the average is 0.083333333333333.

Base conversion 21690747

Base System Value
2 Binary 1010010101111100101111011
3 Ternary 1111211000010000
4 Quaternary 1102233211323
5 Quinary 21023100442
6 Senary 2052524043
8 Octal 122574573
10 Decimal 21690747
12 Duodecimal 7320623
16 Hexadecimal 14af97b
20 Vigesimal 6fb6h7
36 Base36 cwwor

Cryptographic Hash Functions

md5 b1acb0fa26e3baa5bc06a0ed4c0d6425
sha1 349289bd779188f592f81893d582fd4c3e4ffed9
sha256 ff199bc42ff00b420bae433d2b7a3586893f1adc585ead6af747b3d2ea477064
sha512 f799151116531b5993937453cf2223bd331cb449a602fe5bf627449b0bdd00706eee6814bfc091196420b65abc14b05a22eb31970abf76267d2efb7fa6af77a6
ripemd-160 9e3093e295eb78793f75a188da5d461e0af9d2e7

21690747 as geometric shapes

Circle

Radius = n
Diameter 43381494
Circumference 136286982.85215
Area 1.4780832322197E+15

Sphere

Radius = n
Volume 4.2747639246692E+22
Surface area 5.9123329288786E+15
Circumference 136286982.85215

Square

Length = n
Perimeter 86762988
Area 470488505418009
Diagonal 30675348.585404

Cube

Length = n
Surface area 2822931032508054
Volume 1.020524713743E+22
Space diagonal 37569475.858122

Equilateral Triangle

Length = n
Perimeter 65072241
Area 2.0372749894028E+14
Altitude 18784737.929061

Triangular Pyramid

Length = n
Surface area 2.0372749894028E+14
Volume 1.2026999090936E+21
Height 10225116.195135