21568142 (number)

21568142 is an even 8-digits composite number following 21568141 and preceding 21568143. In scientific notation, it is written as 2.1568142 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10636272 positive integers (up to 21568142) that are relatively prime to 21568142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1568142 × 10^7
Engineering notation 2.1568142 × 10^6

Prime Factorization of 21568142

Prime Factorization 2 × 73 × 147727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21568142
Product of the distinct prime numbers

The prime factorization of 21568142 is 2 × 73 × 147727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 71, 92, 458, 944, 3770, 3382, 21087, 99526, 939911, 206691, 9138790, 4415279, 70331649, 45472710, 790257907, 85068705, 8907515817, 8822897818

Basic calculations (n = 21568142)

Multiplication

n×y
n×2 43136284
n×3 64704426
n×4 86272568
n×5 107840710

Division

n÷y
n÷2 10784071
n÷3 7189380.6666667
n÷3 5392035.5
n÷5 4313628.4

Exponentiation

ny
n2 465184749332164
n3 1.0033170729831E+22
n4 2.1639685101123E+29
n5 4.667278010963E+36

Nth Root

y√n
2√n 4644.1513756552
3√n 278.35834437257
4√n 68.148010797493
5√n 29.292911994291

Divisors of 21568142

1, 2, 73, 146, 147727, 295454, 10784071, 21568142

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568142 can be divided by 8 positive divisors. The sum of these divisors (counting 21568142) is 1, the average is 0.125.

Base conversion 21568142

Base System Value
2 Binary 1010010010001101010001110
3 Ternary 1111120202221002
4 Quaternary 1102101222032
5 Quinary 21010140032
6 Senary 2050140302
8 Octal 122215216
10 Decimal 21568142
12 Duodecimal 7281692
16 Hexadecimal 1491a8e
20 Vigesimal 6eg072
36 Base36 cua32

Cryptographic Hash Functions

md5 bd8c446ea449b3f2dcbcb723a0764d1d
sha1 609980f8229656356133ccb4a91d6665a1670035
sha256 59e85b9d8de6671fe99af3c183d13480e3717c71dee24bd8546155a1b8f5bbbf
sha512 31cfa795cf3ba7dd30f9b24af2e3bda77ec94a9fe3649b6756d3a64fe3790c981c3c2b76bee115a940755864c290317152c1f17c7692644abc81c987d807eb05
ripemd-160 9c33681abc5a606f671866d638e541180efeb276

21568142 as geometric shapes

Circle

Radius = n
Diameter 43136284
Circumference 135516632.91756
Area 1.4614209910639E+15

Sphere

Radius = n
Volume 4.2026847276064E+22
Surface area 5.8456839642557E+15
Circumference 135516632.91756

Square

Length = n
Perimeter 86272568
Area 465184749332164
Diagonal 30501958.931589

Cube

Length = n
Surface area 2791108495992984
Volume 1.0033170729831E+22
Space diagonal 37357117.76886

Equilateral Triangle

Length = n
Perimeter 64704426
Area 2.0143090518738E+14
Altitude 18678558.88443

Triangular Pyramid

Length = n
Surface area 2.0143090518738E+14
Volume 1.1824205099776E+21
Height 10167319.643863