21432761 (number)

21432761 is an odd 8-digits composite number following 21432760 and preceding 21432762. In scientific notation, it is written as 2.1432761 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 18370932 positive integers (up to 21432761) that are relatively prime to 21432761.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-two thousand seven hundred sixty-one

Notation

Scientific notation 2.1432761 × 10^7
Engineering notation 2.1432761 × 10^6

Prime Factorization of 21432761

Prime Factorization 7 × 3061823

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21432761
Product of the distinct prime numbers

The prime factorization of 21432761 is 7 × 3061823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 77, 96, 320, 144, 7245, 5119, 94696, 10716, 837628, 902677, 827613, 4604351, 65154367, 70790491, 727771905, 735238582, 8494256290, 3118480743

Basic calculations (n = 21432761)

Multiplication

n×y
n×2 42865522
n×3 64298283
n×4 85731044
n×5 107163805

Division

n÷y
n÷2 10716380.5
n÷3 7144253.6666667
n÷3 5358190.25
n÷5 4286552.2

Exponentiation

ny
n2 459363244083121
n3 9.8454226226182E+21
n4 2.1101459001457E+29
n5 4.5226252752952E+36

Nth Root

y√n
2√n 4629.5530021807
3√n 277.77471267136
4√n 68.040818647196
5√n 29.256045598396

Divisors of 21432761

1, 7, 3061823, 21432761

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21432760
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21432761 can be divided by 4 positive divisors. The sum of these divisors (counting 21432761) is 1, the average is 0.25.

Base conversion 21432761

Base System Value
2 Binary 1010001110000100110111001
3 Ternary 1111022220012222
4 Quaternary 1101300212321
5 Quinary 20441322021
6 Senary 2043213425
8 Octal 121604671
10 Decimal 21432761
12 Duodecimal 7217275
16 Hexadecimal 14709b9
20 Vigesimal 6dj1i1
36 Base36 crdmh

Cryptographic Hash Functions

md5 9e2d1ec920036b30f873152ec279c7a1
sha1 f162d69a4bc30e2bc0f296c91c3226c0c1ec5a14
sha256 e36f1beb1627661bce5d7fdd776b8efc6325f01d8d229536bbc0a5657db8694b
sha512 61029f4d6865c962f2d9d42cdfe4fe06aa9881fb1d1aad16cf311260ae65552af8b5f3dad28eea0a16aa8b6fdb576d2bf10b3145d78192313a0bea80badd0ccf
ripemd-160 b9987d606187adce72b9a139c48c05488ba16759

21432761 as geometric shapes

Circle

Radius = n
Diameter 42865522
Circumference 134666009.00749
Area 1.4431321929407E+15

Sphere

Radius = n
Volume 4.1240409843605E+22
Surface area 5.7725287717628E+15
Circumference 134666009.00749

Square

Length = n
Perimeter 85731044
Area 459363244083121
Diagonal 30310501.285301

Cube

Length = n
Surface area 2756179464498726
Volume 9.8454226226182E+21
Space diagonal 37122630.998481

Equilateral Triangle

Length = n
Perimeter 64298283
Area 1.9891011947041E+14
Altitude 18561315.49924

Triangular Pyramid

Length = n
Surface area 1.9891011947041E+14
Volume 1.1602941833501E+21
Height 10103500.428434