21431490 (number)

21431490 is an even 8-digits composite number following 21431489 and preceding 21431491. In scientific notation, it is written as 2.1431490 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 5692224 positive integers (up to 21431490) that are relatively prime to 21431490.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand four hundred ninety

Notation

Scientific notation 2.1431490 × 10^7
Engineering notation 2.1431490 × 10^6

Prime Factorization of 21431490

Prime Factorization 2 × 3 × 5 × 277 × 2579

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21431490
Product of the distinct prime numbers

The prime factorization of 21431490 is 2 × 3 × 5 × 277 × 2579. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 11, 47, 731, 971, 7211, 2132, 9636, 96812, 832834, 273094, 9512923, 9136995, 41456978, 30637985, 587968202, 344485205, 9809215644, 7552861620

Basic calculations (n = 21431490)

Multiplication

n×y
n×2 42862980
n×3 64294470
n×4 85725960
n×5 107157450

Division

n÷y
n÷2 10715745
n÷3 7143830
n÷3 5357872.5
n÷5 4286298

Exponentiation

ny
n2 459308763620100
n3 9.8436711744365E+21
n4 2.1096454033822E+29
n5 4.5212844366133E+36

Nth Root

y√n
2√n 4629.4157298735
3√n 277.76922172165
4√n 68.039809890045
5√n 29.255698603288

Divisors of 21431490

1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2579, 2770, 4155, 5158, 7737, 8310, 12895, 15474, 25790, 38685, 77370, 714383, 1428766, 2143149, 3571915, 4286298, 7143830, 10715745, 21431490

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 -21431489
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 21431490 can be divided by 32 positive divisors. The sum of these divisors (counting 21431490) is 1, the average is 0.03125.

Base conversion 21431490

Base System Value
2 Binary 1010001110000010011000010
3 Ternary 1111022211110220
4 Quaternary 1101300103002
5 Quinary 20441301430
6 Senary 2043203510
8 Octal 121602302
10 Decimal 21431490
12 Duodecimal 7216596
16 Hexadecimal 14704c2
20 Vigesimal 6diiea
36 Base36 crcn6

Cryptographic Hash Functions

md5 2ae0c4291c23f825329c76c9d69b2a0f
sha1 9fb28c11ab6c2d9d8a812ca981d4266d2f12d5c8
sha256 f9b236549a4535a9469a39aebe434ec94178305dddb96e3cb235c4b9fa32a402
sha512 20682a34999cdf11b4d78effbdc169ac4231d5ea7bc55b5b3cecbcf6e5332cef43f4b6e7e5281a6f9c5a3e9147e798848b1a1e1c84e63bbe898d66879e13c2bf
ripemd-160 1c2a860d6f1f37bb9335ca2e471a4e38b97cfb2b

21431490 as geometric shapes

Circle

Radius = n
Diameter 42862980
Circumference 134658023.07897
Area 1.4429610375183E+15

Sphere

Radius = n
Volume 4.1233073394618E+22
Surface area 5.7718441500733E+15
Circumference 134658023.07897

Square

Length = n
Perimeter 85725960
Area 459308763620100
Diagonal 30308703.819863

Cube

Length = n
Surface area 2755852581720600
Volume 9.8436711744365E+21
Space diagonal 37120429.561904

Equilateral Triangle

Length = n
Perimeter 64294470
Area 1.9888652873791E+14
Altitude 18560214.780952

Triangular Pyramid

Length = n
Surface area 1.9888652873791E+14
Volume 1.1600877732024E+21
Height 10102901.273288