21031840 (number)

21031840 is an even 8-digits composite number following 21031839 and preceding 21031841. In scientific notation, it is written as 2.1031840 × 10^7. The sum of its digits is 19. It has a total of 7 prime factors and 24 positive divisors. There are 8412672 positive integers (up to 21031840) that are relatively prime to 21031840.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred forty

Notation

Scientific notation 2.1031840 × 10^7
Engineering notation 2.1031840 × 10^6

Prime Factorization of 21031840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 131449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1314490
Product of the distinct prime numbers

The prime factorization of 21031840 is 2 × 2 × 2 × 2 × 2 × 5 × 131449. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 3, 94, 74, 171, 647, 4307, 9937, 80899, 33804, 809422, 748178, 3707967, 8261944, 17404914, 85520591, 660753084, 755325960, 2481399831, 9616733538

Basic calculations (n = 21031840)

Multiplication

n×y
n×2 42063680
n×3 63095520
n×4 84127360
n×5 105159200

Division

n÷y
n÷2 10515920
n÷3 7010613.3333333
n÷3 5257960
n÷5 4206368

Exponentiation

ny
n2 442338293785600
n3 9.3031882207717E+21
n4 1.9566316614916E+29
n5 4.1151564043425E+36

Nth Root

y√n
2√n 4586.0484079434
3√n 276.03178237935
4√n 67.720369224801
5√n 29.145764660699

Divisors of 21031840

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 131449, 262898, 525796, 657245, 1051592, 1314490, 2103184, 2628980, 4206368, 5257960, 10515920, 21031840

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 -21031839
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 21031840 can be divided by 24 positive divisors. The sum of these divisors (counting 21031840) is 1, the average is 0.041666666666667.

Base conversion 21031840

Base System Value
2 Binary 1010000001110101110100000
3 Ternary 1110120112021001
4 Quaternary 1100032232200
5 Quinary 20341004330
6 Senary 2030441344
8 Octal 120165640
10 Decimal 21031840
12 Duodecimal 7063254
16 Hexadecimal 140eba0
20 Vigesimal 6b8jc0
36 Base36 cis9s

Cryptographic Hash Functions

md5 fb0f94dee16fa0cd21d2bdea5e0fc1c9
sha1 1f0234e00d9498253784fbb07f0234ae7668015a
sha256 1aecde9e92663dd893eba8a5de9a2d12bb0561b119555f4fc4e82483341adb14
sha512 a86934c2d97aca9a1095fe49318545fd5f72b4f94cf3ec377b3d7b43074f375b56d3bbef3278e1419eeb9c7f1cc4c97ed15d6bd7b9298e1ca56fefaa20d15898
ripemd-160 939e47eabf53f0f8145d69a68bacbf6e265856fd

21031840 as geometric shapes

Circle

Radius = n
Diameter 42063680
Circumference 132146948.07095
Area 1.3896467341583E+15

Sphere

Radius = n
Volume 3.8969103692453E+22
Surface area 5.5585869366331E+15
Circumference 132146948.07095

Square

Length = n
Perimeter 84127360
Area 442338293785600
Diagonal 29743513.369661

Cube

Length = n
Surface area 2654029762713600
Volume 9.3031882207717E+21
Space diagonal 36428215.456659

Equilateral Triangle

Length = n
Perimeter 63095520
Area 1.915380997425E+14
Altitude 18214107.72833

Triangular Pyramid

Length = n
Surface area 1.915380997425E+14
Volume 1.0963912462604E+21
Height 9914504.4565537