21431458 (number)

21431458 is an even 8-digits composite number following 21431457 and preceding 21431459. In scientific notation, it is written as 2.1431458 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 9687552 positive integers (up to 21431458) that are relatively prime to 21431458.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand four hundred fifty-eight

Notation

Scientific notation 2.1431458 × 10^7
Engineering notation 2.1431458 × 10^6

Prime Factorization of 21431458

Prime Factorization 2 × 17 × 137 × 43 × 107

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21431458
Product of the distinct prime numbers

The prime factorization of 21431458 is 2 × 17 × 137 × 43 × 107. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 8, 87, 66, 35, 711, 6758, 3604, 77378, 10621, 580619, 678171, 6982784, 773508, 3399093, 74709018, 943717569, 497578017, 2727108350, 2624296481

Basic calculations (n = 21431458)

Multiplication

n×y
n×2 42862916
n×3 64294374
n×4 85725832
n×5 107157290

Division

n÷y
n÷2 10715729
n÷3 7143819.3333333
n÷3 5357864.5
n÷5 4286291.6

Exponentiation

ny
n2 459307392005764
n3 9.8436270808611E+21
n4 2.1096328035114E+29
n5 4.5212506823876E+36

Nth Root

y√n
2√n 4629.4122737125
3√n 277.76908347306
4√n 68.039784491961
5√n 29.255689866771

Divisors of 21431458

1, 2, 17, 34, 43, 86, 107, 137, 214, 274, 731, 1462, 1819, 2329, 3638, 4601, 4658, 5891, 9202, 11782, 14659, 29318, 78217, 100147, 156434, 200294, 249203, 498406, 630337, 1260674, 10715729, 21431458

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 -21431457
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 21431458 can be divided by 32 positive divisors. The sum of these divisors (counting 21431458) is 1, the average is 0.03125.

Base conversion 21431458

Base System Value
2 Binary 1010001110000010010100010
3 Ternary 1111022211102201
4 Quaternary 1101300102202
5 Quinary 20441301313
6 Senary 2043203414
8 Octal 121602242
10 Decimal 21431458
12 Duodecimal 721656a
16 Hexadecimal 14704a2
20 Vigesimal 6diici
36 Base36 crcma

Cryptographic Hash Functions

md5 3dd5fab34e3b9c81e4f0e47df95b53b4
sha1 5234a0d4581dd90d316188025c14f7d5008921bc
sha256 1a62710e5a59124ca2eb2326c5db3e6e257e4892ac628586d0967a46c5e33a37
sha512 5275ad517db87e8dd7fd17033e51a5c1029d20b5a0bf3db238cc9e0e0b97c83e31a1f8e1083b1185aafbe2bb80bf431eb5c5318e05bda422580430d5cc2afbaa
ripemd-160 116c3758e8775b951e756c08822c0285602570c2

21431458 as geometric shapes

Circle

Radius = n
Diameter 42862916
Circumference 134657822.01704
Area 1.4429567284648E+15

Sphere

Radius = n
Volume 4.1232888695881E+22
Surface area 5.7718269138592E+15
Circumference 134657822.01704

Square

Length = n
Perimeter 85725832
Area 459307392005764
Diagonal 30308658.565029

Cube

Length = n
Surface area 2755844352034584
Volume 9.8436270808611E+21
Space diagonal 37120374.136278

Equilateral Triangle

Length = n
Perimeter 64294374
Area 1.9888593481148E+14
Altitude 18560187.068139

Triangular Pyramid

Length = n
Surface area 1.9888593481148E+14
Volume 1.1600825767247E+21
Height 10102886.188343