21031839 (number)

21031839 is an odd 8-digits composite number following 21031838 and preceding 21031840. In scientific notation, it is written as 2.1031839 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13196160 positive integers (up to 21031839) that are relatively prime to 21031839.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031839 × 10^7
Engineering notation 2.1031839 × 10^6

Prime Factorization of 21031839

Prime Factorization 27 × 17 × 45821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031839
Product of the distinct prime numbers

The prime factorization of 21031839 is 27 × 17 × 45821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 43, 64, 234, 290, 1512, 975, 23427, 36497, 155338, 162842, 1573745, 5424238, 72673732, 61554438, 830342175, 314309450, 5513955005, 6235435718

Basic calculations (n = 21031839)

Multiplication

n×y
n×2 42063678
n×3 63095517
n×4 84127356
n×5 105159195

Division

n÷y
n÷2 10515919.5
n÷3 7010613
n÷3 5257959.75
n÷5 4206367.8

Exponentiation

ny
n2 442338251721921
n3 9.3031868937569E+21
n4 1.9566312893641E+29
n5 4.1151554260267E+36

Nth Root

y√n
2√n 4586.0482989171
3√n 276.03177800453
4√n 67.720368419827
5√n 29.145764383541

Divisors of 21031839

1, 17, 27, 459, 45821, 778957, 1237167, 21031839

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031838
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031839 can be divided by 8 positive divisors. The sum of these divisors (counting 21031839) is 1, the average is 0.125.

Base conversion 21031839

Base System Value
2 Binary 1010000001110101110011111
3 Ternary 1110120112021000
4 Quaternary 1100032232133
5 Quinary 20341004324
6 Senary 2030441343
8 Octal 120165637
10 Decimal 21031839
12 Duodecimal 7063253
16 Hexadecimal 140eb9f
20 Vigesimal 6b8jbj
36 Base36 cis9r

Cryptographic Hash Functions

md5 075c13820856fecf86c59a13c1f7efb7
sha1 2b85f076651677fae286da4025e7b2e1b0dbb785
sha256 6f7c1adced9a88cb58e94abe4f23187f10c87afdff44791b65f10bfde57126cf
sha512 09842aec5a9ab56367d206344f9d64d8bdfb9e9e622919e674ea6977eabe5f475e994a16b0f5c85278c013a6b9262308601a1ea318b3c3105c3d7eac16245eeb
ripemd-160 e41979a814cb755272a67f0357a3a000a34166cd

21031839 as geometric shapes

Circle

Radius = n
Diameter 42063678
Circumference 132146941.78777
Area 1.3896466020113E+15

Sphere

Radius = n
Volume 3.8969098133866E+22
Surface area 5.5585864080454E+15
Circumference 132146941.78777

Square

Length = n
Perimeter 84127356
Area 442338251721921
Diagonal 29743511.955447

Cube

Length = n
Surface area 2654029510331526
Volume 9.3031868937569E+21
Space diagonal 36428213.724609

Equilateral Triangle

Length = n
Perimeter 63095517
Area 1.9153808152839E+14
Altitude 18214106.862304

Triangular Pyramid

Length = n
Surface area 1.9153808152839E+14
Volume 1.0963910898702E+21
Height 9914503.9851491