21690788 (number)

21690788 is an even 8-digits composite number following 21690787 and preceding 21690789. In scientific notation, it is written as 2.1690788 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 9296040 positive integers (up to 21690788) that are relatively prime to 21690788.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand seven hundred eighty-eight

Notation

Scientific notation 2.1690788 × 10^7
Engineering notation 2.1690788 × 10^6

Prime Factorization of 21690788

Prime Factorization 2 × 2 × 7 × 774671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10845394
Product of the distinct prime numbers

The prime factorization of 21690788 is 2 × 2 × 7 × 774671. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 65, 59, 6, 628, 1136, 9234, 7146, 55398, 893414, 4716, 9470212, 3977031, 70947086, 99501445, 245749646, 975039416, 4921786743, 6472491619

Basic calculations (n = 21690788)

Multiplication

n×y
n×2 43381576
n×3 65072364
n×4 86763152
n×5 108453940

Division

n÷y
n÷2 10845394
n÷3 7230262.6666667
n÷3 5422697
n÷5 4338157.6

Exponentiation

ny
n2 470490284060944
n3 1.0205305007626E+22
n4 2.2136110739575E+29
n5 4.8014968519664E+36

Nth Root

y√n
2√n 4657.3370073466
3√n 278.88497033048
4√n 68.244684828539
5√n 29.326150967556

Divisors of 21690788

1, 2, 4, 7, 14, 28, 774671, 1549342, 3098684, 5422697, 10845394, 21690788

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 -21690787
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 21690788 can be divided by 12 positive divisors. The sum of these divisors (counting 21690788) is 1, the average is 0.083333333333333.

Base conversion 21690788

Base System Value
2 Binary 1010010101111100110100100
3 Ternary 1111211000011112
4 Quaternary 1102233212210
5 Quinary 21023101123
6 Senary 2052524152
8 Octal 122574644
10 Decimal 21690788
12 Duodecimal 7320658
16 Hexadecimal 14af9a4
20 Vigesimal 6fb6j8
36 Base36 cwwpw

Cryptographic Hash Functions

md5 e4327b4989b38f96eed8327ef9263be5
sha1 7e9e886199730a47a87bb8cec9e8ad3451aea3f6
sha256 08a9b10c9712948d031daa0beed712376f2c9e32ca1b80e72eea7bd2082af2b6
sha512 5ffe79eba1673959225bc1c03cc647b68aff9f8f53972559e4da8b7d701928846dd35ecf59b9466752794f88bffc8537448556c5aab82aeed5889efbf77565c7
ripemd-160 5770574fd6fb68a0abe66426c21094ae1816d0c8

21690788 as geometric shapes

Circle

Radius = n
Diameter 43381576
Circumference 136287240.46275
Area 1.4780888199912E+15

Sphere

Radius = n
Volume 4.27478816528E+22
Surface area 5.9123552799649E+15
Circumference 136287240.46275

Square

Length = n
Perimeter 86763152
Area 470490284060944
Diagonal 30675406.56816

Cube

Length = n
Surface area 2822941704365664
Volume 1.0205305007626E+22
Space diagonal 37569546.872205

Equilateral Triangle

Length = n
Perimeter 65072364
Area 2.0372826911527E+14
Altitude 18784773.436103

Triangular Pyramid

Length = n
Surface area 2.0372826911527E+14
Volume 1.2027067291615E+21
Height 10225135.52272