21551720 (number)

21551720 is an even 8-digits composite number following 21551719 and preceding 21551721. In scientific notation, it is written as 2.1551720 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors. There are 8535360 positive integers (up to 21551720) that are relatively prime to 21551720.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand seven hundred twenty

Notation

Scientific notation 2.1551720 × 10^7
Engineering notation 2.1551720 × 10^6

Prime Factorization of 21551720

Prime Factorization 2 × 2 × 2 × 5 × 103 × 5231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5387930
Product of the distinct prime numbers

The prime factorization of 21551720 is 2 × 2 × 2 × 5 × 103 × 5231. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 3, 35, 12, 655, 925, 9978, 456, 79168, 79474, 465908, 560955, 7752128, 2868219, 11517694, 85542737, 2344935, 53134112, 5193007684, 8041880

Basic calculations (n = 21551720)

Multiplication

n×y
n×2 43103440
n×3 64655160
n×4 86206880
n×5 107758600

Division

n÷y
n÷2 10775860
n÷3 7183906.6666667
n÷3 5387930
n÷5 4310344

Exponentiation

ny
n2 464476634958400
n3 1.0010270383166E+22
n4 2.1573854442228E+29
n5 4.6495367025965E+36

Nth Root

y√n
2√n 4642.3830087575
3√n 278.28767901509
4√n 68.135035104984
5√n 29.288449905939

Divisors of 21551720

1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 5231, 10462, 20924, 26155, 41848, 52310, 104620, 209240, 538793, 1077586, 2155172, 2693965, 4310344, 5387930, 10775860, 21551720

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551720 can be divided by 32 positive divisors. The sum of these divisors (counting 21551720) is 1, the average is 0.03125.

Base conversion 21551720

Base System Value
2 Binary 1010010001101101001101000
3 Ternary 1111112221101212
4 Quaternary 1102031221220
5 Quinary 21004123340
6 Senary 2045532252
8 Octal 122155150
10 Decimal 21551720
12 Duodecimal 7274088
16 Hexadecimal 148da68
20 Vigesimal 6edj60
36 Base36 ctxew

Cryptographic Hash Functions

md5 de4ea7fb0e9c96f775c3f9a83f446cfa
sha1 d7e68278e4114dac286fa7e210913d726c969fe2
sha256 4240d863f9d9a860020b9e0fc26e010ce4f0dcceb442ec3c8245cfd6134b011f
sha512 f81b60e1c3a1e4c57b7ee776f7dc2b21f9b4b18a782e3eeb7a8bbd0aa5e899a47eb45841acce4d2d3f58dc0833bb70d82a57c557c7036c5275586bf62c7a987b
ripemd-160 6de99db378d5d171b499096c63ee9fe95335fb75

21551720 as geometric shapes

Circle

Radius = n
Diameter 43103440
Circumference 135413450.44845
Area 1.4591963841494E+15

Sphere

Radius = n
Volume 4.1930922528268E+22
Surface area 5.8367855365977E+15
Circumference 135413450.44845

Square

Length = n
Perimeter 86206880
Area 464476634958400
Diagonal 30478734.716467

Cube

Length = n
Surface area 2786859809750400
Volume 1.0010270383166E+22
Space diagonal 37328674.030498

Equilateral Triangle

Length = n
Perimeter 64655160
Area 2.0112428266914E+14
Altitude 18664337.015249

Triangular Pyramid

Length = n
Surface area 2.0112428266914E+14
Volume 1.1797216782412E+21
Height 10159578.238822