21542458 (number)

21542458 is an even 8-digits composite number following 21542457 and preceding 21542459. In scientific notation, it is written as 2.1542458 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors. There are 8925840 positive integers (up to 21542458) that are relatively prime to 21542458.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1542458 × 10^7
Engineering notation 2.1542458 × 10^6

Prime Factorization of 21542458

Prime Factorization 2 × 7 × 7 × 7 × 31 × 1013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 439642
Product of the distinct prime numbers

The prime factorization of 21542458 is 2 × 7 × 7 × 7 × 31 × 1013. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 18, 25, 55, 147, 1487, 821, 34353, 54332, 374494, 324610, 3454826, 9433943, 13422745, 72455085, 874332355, 86921159, 1088102646, 3187290340

Basic calculations (n = 21542458)

Multiplication

n×y
n×2 43084916
n×3 64627374
n×4 86169832
n×5 107712290

Division

n÷y
n÷2 10771229
n÷3 7180819.3333333
n÷3 5385614.5
n÷5 4308491.6

Exponentiation

ny
n2 464077496681764
n3 9.997369981012E+21
n4 2.1536792292641E+29
n5 4.6395544341895E+36

Nth Root

y√n
2√n 4641.385353534
3√n 278.24780795446
4√n 68.127713549876
5√n 29.285932090498

Divisors of 21542458

1, 2, 7, 14, 31, 49, 62, 98, 217, 343, 434, 686, 1013, 1519, 2026, 3038, 7091, 10633, 14182, 21266, 31403, 49637, 62806, 99274, 219821, 347459, 439642, 694918, 1538747, 3077494, 10771229, 21542458

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 -21542457
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 21542458 can be divided by 32 positive divisors. The sum of these divisors (counting 21542458) is 1, the average is 0.03125.

Base conversion 21542458

Base System Value
2 Binary 1010010001011011000111010
3 Ternary 1111112110200211
4 Quaternary 1102023120322
5 Quinary 21003324313
6 Senary 2045421334
8 Octal 122133072
10 Decimal 21542458
12 Duodecimal 726a84a
16 Hexadecimal 148b63a
20 Vigesimal 6ecg2i
36 Base36 ctq9m

Cryptographic Hash Functions

md5 f5b648e52988b21d9535d2937898ab1e
sha1 5f23fb361fa9cdac726c5e04920b2749a27ab72c
sha256 5573369bf133742b720cfaea4d1c4ab7816286ea9d55a7ba9b27c4c726f16e3b
sha512 c53aa610c72346d2823bb40db3d7c42c3366a81ff9d21ca2a849acd9df802e8b99b2e9b736a87ef16a1bb1f37fb3e2fbd4a3573cd1f63f52a522cc00669dd8a2
ripemd-160 6e1ee3735f124335dcf224e06a9de278da5dd06a

21542458 as geometric shapes

Circle

Radius = n
Diameter 43084916
Circumference 135355255.58613
Area 1.4579424542718E+15

Sphere

Radius = n
Volume 4.1876885450089E+22
Surface area 5.8317698170871E+15
Circumference 135355255.58613

Square

Length = n
Perimeter 86169832
Area 464077496681764
Diagonal 30465636.270453

Cube

Length = n
Surface area 2784464980090584
Volume 9.997369981012E+21
Space diagonal 37312631.775919

Equilateral Triangle

Length = n
Perimeter 64627374
Area 2.0095145072555E+14
Altitude 18656315.887959

Triangular Pyramid

Length = n
Surface area 2.0095145072555E+14
Volume 1.1782013512674E+21
Height 10155212.090151