21542407 (number)

21542407 is an odd 8-digits composite number following 21542406 and preceding 21542408. In scientific notation, it is written as 2.1542407 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21499576 positive integers (up to 21542407) that are relatively prime to 21542407.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand four hundred seven

Notation

Scientific notation 2.1542407 × 10^7
Engineering notation 2.1542407 × 10^6

Prime Factorization of 21542407

Prime Factorization 509 × 42323

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21542407
Product of the distinct prime numbers

The prime factorization of 21542407 is 509 × 42323. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542407)

Multiplication

n×y
n×2 43084814
n×3 64627221
n×4 86169628
n×5 107712035

Division

n÷y
n÷2 10771203.5
n÷3 7180802.3333333
n÷3 5385601.75
n÷5 4308481.4

Exponentiation

ny
n2 464075299353649
n3 9.9972989773231E+21
n4 2.1536588347018E+29
n5 4.6394995156292E+36

Nth Root

y√n
2√n 4641.3798594814
3√n 278.24758837801
4√n 68.127673228149
5√n 29.285918224077

Divisors of 21542407

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 -21542406
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 21542407 can be divided by 4 positive divisors. The sum of these divisors (counting 21542407) is 1, the average is 0.25.

Base conversion 21542407

Base System Value
2 Binary 1010010001011011000000111
3 Ternary 1111112110121221
4 Quaternary 1102023120013
5 Quinary 21003324112
6 Senary 2045421211
8 Octal 122133007
10 Decimal 21542407
12 Duodecimal 726a807
16 Hexadecimal 148b607
20 Vigesimal 6ecg07
36 Base36 ctq87

Cryptographic Hash Functions

md5 a174ff86835edb64dbbe767795a446be
sha1 9518a7428082947ec0c122696cd11e9a6984e1b7
sha256 6cbebde775316a6652f25bd9311d3f78b05be9c2c74cba64a2bb2d5b1d4b58ed
sha512 d32e74944e242002dc980b975cb688c090d630ef6bf0bc8fe748bf158fa5849572fee57362428e57feb485a5006fc58a64d032277646d80a3c847a74d8ca72a0
ripemd-160 f4e5d4687fda9b31ecd9e4b2b2063c786a25ac9d

21542407 as geometric shapes

Circle

Radius = n
Diameter 43084814
Circumference 135354935.14368
Area 1.4579355511619E+15

Sphere

Radius = n
Volume 4.1876588030532E+22
Surface area 5.8317422046476E+15
Circumference 135354935.14368

Square

Length = n
Perimeter 86169628
Area 464075299353649
Diagonal 30465564.145561

Cube

Length = n
Surface area 2784451796121894
Volume 9.9972989773231E+21
Space diagonal 37312543.441327

Equilateral Triangle

Length = n
Perimeter 64627221
Area 2.0095049925456E+14
Altitude 18656271.720664

Triangular Pyramid

Length = n
Surface area 2.0095049925456E+14
Volume 1.1781929834024E+21
Height 10155188.04852