21568140 (number)

21568140 is an even 8-digits composite number following 21568139 and preceding 21568141. In scientific notation, it is written as 2.1568140 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 5227200 positive integers (up to 21568140) that are relatively prime to 21568140.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand one hundred forty

Notation

Scientific notation 2.1568140 × 10^7
Engineering notation 2.1568140 × 10^6

Prime Factorization of 21568140

Prime Factorization 2 × 2 × 135 × 11 × 3631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10784070
Product of the distinct prime numbers

The prime factorization of 21568140 is 2 × 2 × 135 × 11 × 3631. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 8, 95, 6, 503, 2691, 8671, 24757, 39072, 573123, 267782, 2167433, 4549545, 9021542, 13749830, 812847683, 477198610, 9618366684, 6918611658

Basic calculations (n = 21568140)

Multiplication

n×y
n×2 43136280
n×3 64704420
n×4 86272560
n×5 107840700

Division

n÷y
n÷2 10784070
n÷3 7189380
n÷3 5392035
n÷5 4313628

Exponentiation

ny
n2 465184663059600
n3 1.0033167938722E+22
n4 2.1639677074587E+29
n5 4.6672758469949E+36

Nth Root

y√n
2√n 4644.1511603306
3√n 278.35833576858
4√n 68.148009217662
5√n 29.292911451028

Divisors of 21568140

1, 2, 4, 11, 22, 44, 135, 270, 540, 1485, 2970, 3631, 5940, 7262, 14524, 39941, 79882, 159764, 490185, 980370, 1960740, 5392035, 10784070, 21568140

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568139
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568140 can be divided by 24 positive divisors. The sum of these divisors (counting 21568140) is 1, the average is 0.041666666666667.

Base conversion 21568140

Base System Value
2 Binary 1010010010001101010001100
3 Ternary 1111120202221000
4 Quaternary 1102101222030
5 Quinary 21010140030
6 Senary 2050140300
8 Octal 122215214
10 Decimal 21568140
12 Duodecimal 7281690
16 Hexadecimal 1491a8c
20 Vigesimal 6eg070
36 Base36 cua30

Cryptographic Hash Functions

md5 323733f377ec4686baa077c63918877a
sha1 3443f5cc2e2a36d5b0918fde64e9de529960db0c
sha256 0c5df6b7cd42f517d7fd61b7a64f16d0d672aebaffa28150e172e185bf360087
sha512 9bcc6d98be0ac2019b5711b4b2d0381f995c715189181a8c0c2045cc1e38cbcd22fcb3d642c23858a6e9cc3bd4079cfea5b1cb79fd22c240a4fe5f71daa574b3
ripemd-160 b4cbee71b9c99b59f83d9cbb7a05ce37802487a9

21568140 as geometric shapes

Circle

Radius = n
Diameter 43136280
Circumference 135516620.35119
Area 1.4614207200307E+15

Sphere

Radius = n
Volume 4.2026835584697E+22
Surface area 5.8456828801227E+15
Circumference 135516620.35119

Square

Length = n
Perimeter 86272560
Area 465184663059600
Diagonal 30501956.103162

Cube

Length = n
Surface area 2791107978357600
Volume 1.0033167938722E+22
Space diagonal 37357114.304759

Equilateral Triangle

Length = n
Perimeter 64704420
Area 2.0143086783026E+14
Altitude 18678557.152379

Triangular Pyramid

Length = n
Surface area 2.0143086783026E+14
Volume 1.1824201810423E+21
Height 10167318.701054