21031842 (number)

21031842 is an even 8-digits composite number following 21031841 and preceding 21031843. In scientific notation, it is written as 2.1031842 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 6332544 positive integers (up to 21031842) that are relatively prime to 21031842.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031842 × 10^7
Engineering notation 2.1031842 × 10^6

Prime Factorization of 21031842

Prime Factorization 2 × 3 × 13 × 47 × 5737

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21031842
Product of the distinct prime numbers

The prime factorization of 21031842 is 2 × 3 × 13 × 47 × 5737. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 42, 13, 380, 767, 5614, 8283, 45243, 36792, 510614, 575628, 550829, 6443516, 74580141, 4156052, 467102796, 729007145, 6375203758, 1031969538

Basic calculations (n = 21031842)

Multiplication

n×y
n×2 42063684
n×3 63095526
n×4 84127368
n×5 105159210

Division

n÷y
n÷2 10515921
n÷3 7010614
n÷3 5257960.5
n÷5 4206368.4

Exponentiation

ny
n2 442338377912964
n3 9.3031908748017E+21
n4 1.9566324057467E+29
n5 4.1151583609745E+36

Nth Root

y√n
2√n 4586.048625996
3√n 276.031791129
4√n 67.72037083475
5√n 29.145765215016

Divisors of 21031842

1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 5737, 11474, 17211, 34422, 74581, 149162, 223743, 269639, 447486, 539278, 808917, 1617834, 3505307, 7010614, 10515921, 21031842

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 -21031841
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 21031842 can be divided by 32 positive divisors. The sum of these divisors (counting 21031842) is 1, the average is 0.03125.

Base conversion 21031842

Base System Value
2 Binary 1010000001110101110100010
3 Ternary 1110120112021010
4 Quaternary 1100032232202
5 Quinary 20341004332
6 Senary 2030441350
8 Octal 120165642
10 Decimal 21031842
12 Duodecimal 7063256
16 Hexadecimal 140eba2
20 Vigesimal 6b8jc2
36 Base36 cis9u

Cryptographic Hash Functions

md5 57e18bb4d23c0cfc7150d2022a2aaa0f
sha1 7c70a0aff5d35718403c634968c198dacfbc8a0b
sha256 f03bf8d65bc2566c5ffe24e9cdca37589ab44052b2a15adbe68b7df8fbff9bd9
sha512 1297f9c33232149c22bd067cfb94769d3966e58b1311e0b1c468bc88461ff1945a9791fd16cf0dedc2b7665d2a7a77a452a80aa0e0529fab9b2a11e42ae89e55
ripemd-160 2e10180225208963deb6b2e32d28282315554cd3

21031842 as geometric shapes

Circle

Radius = n
Diameter 42063684
Circumference 132146960.63732
Area 1.3896469984522E+15

Sphere

Radius = n
Volume 3.8969114809628E+22
Surface area 5.5585879938088E+15
Circumference 132146960.63732

Square

Length = n
Perimeter 84127368
Area 442338377912964
Diagonal 29743516.198088

Cube

Length = n
Surface area 2654030267477784
Volume 9.3031908748017E+21
Space diagonal 36428218.920761

Equilateral Triangle

Length = n
Perimeter 63095526
Area 1.9153813617071E+14
Altitude 18214109.460381

Triangular Pyramid

Length = n
Surface area 1.9153813617071E+14
Volume 1.0963915590409E+21
Height 9914505.3993627