21542408 (number)

21542408 is an even 8-digits composite number following 21542407 and preceding 21542409. In scientific notation, it is written as 2.1542408 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 8 positive divisors. There are 10771200 positive integers (up to 21542408) that are relatively prime to 21542408.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542408 × 10^7
Engineering notation 2.1542408 × 10^6

Prime Factorization of 21542408

Prime Factorization 2 × 2 × 2 × 2692801

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5385602
Product of the distinct prime numbers

The prime factorization of 21542408 is 2 × 2 × 2 × 2692801. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542408)

Multiplication

n×y
n×2 43084816
n×3 64627224
n×4 86169632
n×5 107712040

Division

n÷y
n÷2 10771204
n÷3 7180802.6666667
n÷3 5385602
n÷5 4308481.6

Exponentiation

ny
n2 464075342438464
n3 9.9973003695491E+21
n4 2.1536592345938E+29
n5 4.6395005924587E+36

Nth Root

y√n
2√n 4641.379967208
3√n 278.24759268344
4√n 68.127674018772
5√n 29.285918495968

Divisors of 21542408

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 -21542407
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 21542408 can be divided by 8 positive divisors. The sum of these divisors (counting 21542408) is 1, the average is 0.125.

Base conversion 21542408

Base System Value
2 Binary 1010010001011011000001000
3 Ternary 1111112110121222
4 Quaternary 1102023120020
5 Quinary 21003324113
6 Senary 2045421212
8 Octal 122133010
10 Decimal 21542408
12 Duodecimal 726a808
16 Hexadecimal 148b608
20 Vigesimal 6ecg08
36 Base36 ctq88

Cryptographic Hash Functions

md5 6b88ef822a15bc2a86acfc0b8b55ca36
sha1 6353d6ac8cf530c503fc01099d35896838307077
sha256 ef4f0c00195872791ce8af4bbb82bf595dbf1a9694c527769712cd19df267deb
sha512 ebf6a2082e5677efa82c7ef7183443031e2346c37646c08d1f5a2b9cf2b86e7ac3a569058c6058a18913381721c1ff16c6498e9fcb4ac0a3390ba6412c76c58e
ripemd-160 0c590d420f82c2c6abc1b2b78d67dbaf105f4aed

21542408 as geometric shapes

Circle

Radius = n
Diameter 43084816
Circumference 135354941.42687
Area 1.4579356865168E+15

Sphere

Radius = n
Volume 4.1876593862275E+22
Surface area 5.8317427460674E+15
Circumference 135354941.42687

Square

Length = n
Perimeter 86169632
Area 464075342438464
Diagonal 30465565.559775

Cube

Length = n
Surface area 2784452054630784
Volume 9.9973003695491E+21
Space diagonal 37312545.173378

Equilateral Triangle

Length = n
Perimeter 64627224
Area 2.0095051791084E+14
Altitude 18656272.586689

Triangular Pyramid

Length = n
Surface area 2.0095051791084E+14
Volume 1.1781931474778E+21
Height 10155188.519925