21691485 (number)

21691485 is an odd 8-digits composite number following 21691484 and preceding 21691486. In scientific notation, it is written as 2.1691485 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 11568768 positive integers (up to 21691485) that are relatively prime to 21691485.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand four hundred eighty-five

Notation

Scientific notation 2.1691485 × 10^7
Engineering notation 2.1691485 × 10^6

Prime Factorization of 21691485

Prime Factorization 3 × 5 × 3 × 482033

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7230495
Product of the distinct prime numbers

The prime factorization of 21691485 is 3 × 5 × 3 × 482033. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 87, 63, 932, 346, 7413, 6894, 41182, 20341, 374106, 906556, 3698441, 9396199, 83274268, 97238592, 786634115, 908795372, 7234875571, 9126237586

Basic calculations (n = 21691485)

Multiplication

n×y
n×2 43382970
n×3 65074455
n×4 86765940
n×5 108457425

Division

n÷y
n÷2 10845742.5
n÷3 7230495
n÷3 5422871.25
n÷5 4338297

Exponentiation

ny
n2 470520521505225
n3 1.0206288834423E+22
n4 2.2138956115755E+29
n5 4.8022683450056E+36

Nth Root

y√n
2√n 4657.4118349143
3√n 278.88795747787
4√n 68.245233056341
5√n 29.326339435255

Divisors of 21691485

1, 3, 5, 9, 15, 45, 482033, 1446099, 2410165, 4338297, 7230495, 21691485

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 -21691484
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 21691485 can be divided by 12 positive divisors. The sum of these divisors (counting 21691485) is 1, the average is 0.083333333333333.

Base conversion 21691485

Base System Value
2 Binary 1010010101111110001011101
3 Ternary 1111211001010100
4 Quaternary 1102233301131
5 Quinary 21023111420
6 Senary 2052531313
8 Octal 122576135
10 Decimal 21691485
12 Duodecimal 7320b39
16 Hexadecimal 14afc5d
20 Vigesimal 6fb8e5
36 Base36 cwx99

Cryptographic Hash Functions

md5 c67453399ac4c5976851d35f7b5e37af
sha1 81d3d00211b8e8693836aa60e61b70ac52b9826a
sha256 5f61e5b40301379ef1c9af50d729ab05991c06ba6dbd8be2bb0f96b4e67a916b
sha512 fefd4767e096a1ea2b2eff2e3dbca28947e5992ee40b3d43bb70176b61627d074ec60faeb5fc5da2dd529983203cc44b5ac31e861d2c5410ab10fb0d35a9234b
ripemd-160 73334dbb669897b9ae4aba2ccd32472c4971e90d

21691485 as geometric shapes

Circle

Radius = n
Diameter 43382970
Circumference 136291619.84291
Area 1.4781838137241E+15

Sphere

Radius = n
Volume 4.2752002696851E+22
Surface area 5.9127352548962E+15
Circumference 136291619.84291

Square

Length = n
Perimeter 86765940
Area 470520521505225
Diagonal 30676392.275013

Cube

Length = n
Surface area 2823123129031350
Volume 1.0206288834423E+22
Space diagonal 37570754.111618

Equilateral Triangle

Length = n
Perimeter 65074455
Area 2.0374136231271E+14
Altitude 18785377.055809

Triangular Pyramid

Length = n
Surface area 2.0374136231271E+14
Volume 1.2028226742615E+21
Height 10225464.091671