21738861 (number)

21738861 is an odd 8-digits composite number following 21738860 and preceding 21738862. In scientific notation, it is written as 2.1738861 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 14432256 positive integers (up to 21738861) that are relatively prime to 21738861.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred thirty-eight thousand eight hundred sixty-one

Notation

Scientific notation 2.1738861 × 10^7
Engineering notation 2.1738861 × 10^6

Prime Factorization of 21738861

Prime Factorization 3 × 27 × 769 × 349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21738861
Product of the distinct prime numbers

The prime factorization of 21738861 is 3 × 27 × 769 × 349. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 93, 1, 325, 747, 2610, 1225, 68195, 9184, 472739, 756598, 1292357, 9212455, 38311129, 64950195, 21294827, 200635734, 4332682774, 8417265752

Basic calculations (n = 21738861)

Multiplication

n×y
n×2 43477722
n×3 65216583
n×4 86955444
n×5 108694305

Division

n÷y
n÷2 10869430.5
n÷3 7246287
n÷3 5434715.25
n÷5 4347772.2

Exponentiation

ny
n2 472578077577321
n3 1.0273309140101E+22
n4 2.2333003940668E+29
n5 4.8549406837863E+36

Nth Root

y√n
2√n 4662.4951474506
3√n 279.09084797297
4√n 68.282465885837
5√n 29.339138489356

Divisors of 21738861

1, 3, 27, 81, 349, 769, 1047, 2307, 9423, 20763, 28269, 62289, 268381, 805143, 7246287, 21738861

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21738860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21738861 can be divided by 16 positive divisors. The sum of these divisors (counting 21738861) is 1, the average is 0.0625.

Base conversion 21738861

Base System Value
2 Binary 1010010111011010101101101
3 Ternary 1111220110010000
4 Quaternary 1102323111231
5 Quinary 21031120421
6 Senary 2053534513
8 Octal 122732555
10 Decimal 21738861
12 Duodecimal 7344439
16 Hexadecimal 14bb56d
20 Vigesimal 6fh731
36 Base36 cxxt9

Cryptographic Hash Functions

md5 e1a6ee54cb766b10dd7c6aadfc8fbb0c
sha1 1632878c2c5b4006dbb7a07fec82f6ea1b5b8340
sha256 9b3e6751d96934865d20b74bb503fb3f3065cd5392c65cb8eec9b96d9a8af87d
sha512 ed13da1897c671ac7680c76ad71bc1a4052e453e9906b5203b79b6998bf37284ea2d6128bd042debf500ca1763895b93d85382e80420b13a8c3b6813ea2288c4
ripemd-160 bc5fcecc5792b1e8afdc2f1a96789667b6968546

21738861 as geometric shapes

Circle

Radius = n
Diameter 43477722
Circumference 136589292.03002
Area 1.4846478167645E+15

Sphere

Radius = n
Volume 4.3032736696796E+22
Surface area 5.938591267058E+15
Circumference 136589292.03002

Square

Length = n
Perimeter 86955444
Area 472578077577321
Diagonal 30743392.056744

Cube

Length = n
Surface area 2835468465463926
Volume 1.0273309140101E+22
Space diagonal 37652811.750678

Equilateral Triangle

Length = n
Perimeter 65216583
Area 2.0463231022679E+14
Altitude 18826405.875339

Triangular Pyramid

Length = n
Surface area 2.0463231022679E+14
Volume 1.2107210930318E+21
Height 10247797.352248