21493340 (number)

21493340 is an even 8-digits composite number following 21493339 and preceding 21493341. In scientific notation, it is written as 2.1493340 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 7752000 positive integers (up to 21493340) that are relatively prime to 21493340.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand three hundred forty

Notation

Scientific notation 2.1493340 × 10^7
Engineering notation 2.1493340 × 10^6

Prime Factorization of 21493340

Prime Factorization 2 × 2 × 55 × 647 × 151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10746670
Product of the distinct prime numbers

The prime factorization of 21493340 is 2 × 2 × 55 × 647 × 151. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 57, 38, 659, 925, 191, 4040, 36522, 13174, 665, 99941, 4007349, 9498789, 81533743, 77179436, 329850105, 97011581, 9434187595, 8675283433

Basic calculations (n = 21493340)

Multiplication

n×y
n×2 42986680
n×3 64480020
n×4 85973360
n×5 107466700

Division

n÷y
n÷2 10746670
n÷3 7164446.6666667
n÷3 5373335
n÷5 4298668

Exponentiation

ny
n2 461963664355600
n3 9.9291421056408E+21
n4 2.1341042718485E+29
n5 4.5869028710293E+36

Nth Root

y√n
2√n 4636.0910258536
3√n 278.03617354451
4√n 68.08884655987
5√n 29.272565183868

Divisors of 21493340

1, 2, 4, 55, 110, 151, 220, 302, 604, 647, 1294, 2588, 8305, 16610, 33220, 35585, 71170, 97697, 142340, 195394, 390788, 5373335, 10746670, 21493340

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493339
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493340 can be divided by 24 positive divisors. The sum of these divisors (counting 21493340) is 1, the average is 0.041666666666667.

Base conversion 21493340

Base System Value
2 Binary 1010001111111011001011100
3 Ternary 1111102222022122
4 Quaternary 1101333121130
5 Quinary 21000241330
6 Senary 2044402112
8 Octal 121773134
10 Decimal 21493340
12 Duodecimal 7246338
16 Hexadecimal 147f65c
20 Vigesimal 6e6d70
36 Base36 csod8

Cryptographic Hash Functions

md5 99c6ad9ce741647cf24046ebe3b75ff7
sha1 45814ec2d0a8eb13d5a71411512862ac8538c6ab
sha256 d459fc7ac5b2ea5f034c181415c7ff879ac630741da444b74aab7521a2d636f8
sha512 68f8ea33e30d2b7ee563dcb6b70da8d70232f168ab80dbb60cb069cc6a38ef1b7ccd7c5acc3f79648b054e9a7a5fcf66c2ac273e3af2ccec0502df81a975e17a
ripemd-160 700e60c52da0f3519a01a93378d815fbf2f3ca1c

21493340 as geometric shapes

Circle

Radius = n
Diameter 42986680
Circumference 135046638.09022
Area 1.451301654165E+15

Sphere

Radius = n
Volume 4.159109319404E+22
Surface area 5.8052066166599E+15
Circumference 135046638.09022

Square

Length = n
Perimeter 85973360
Area 461963664355600
Diagonal 30396172.928696

Cube

Length = n
Surface area 2771781986133600
Volume 9.9291421056408E+21
Space diagonal 37227556.904352

Equilateral Triangle

Length = n
Perimeter 64480020
Area 2.0003613447865E+14
Altitude 18613778.452176

Triangular Pyramid

Length = n
Surface area 2.0003613447865E+14
Volume 1.1701606190439E+21
Height 10132057.642899