21031439 (number)

21031439 is an odd 8-digits composite number following 21031438 and preceding 21031440. In scientific notation, it is written as 2.1031439 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17648640 positive integers (up to 21031439) that are relatively prime to 21031439.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031439 × 10^7
Engineering notation 2.1031439 × 10^6

Prime Factorization of 21031439

Prime Factorization 11 × 13 × 147073

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031439
Product of the distinct prime numbers

The prime factorization of 21031439 is 11 × 13 × 147073. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 24, 50, 82, 595, 1330, 4183, 27805, 27724, 689862, 376889, 369647, 3194291, 96981716, 91113848, 338983611, 399210041, 6463386331, 6481518449

Basic calculations (n = 21031439)

Multiplication

n×y
n×2 42062878
n×3 63094317
n×4 84125756
n×5 105157195

Division

n÷y
n÷2 10515719.5
n÷3 7010479.6666667
n÷3 5257859.75
n÷5 4206287.8

Exponentiation

ny
n2 442321426410721
n3 9.3026560979501E+21
n4 1.9564824426201E+29
n5 4.1147641146537E+36

Nth Root

y√n
2√n 4586.004688179
3√n 276.03002806386
4√n 67.720046427768
5√n 29.145653519299

Divisors of 21031439

1, 11, 13, 143, 147073, 1617803, 1911949, 21031439

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 -21031438
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 21031439 can be divided by 8 positive divisors. The sum of these divisors (counting 21031439) is 1, the average is 0.125.

Base conversion 21031439

Base System Value
2 Binary 1010000001110101000001111
3 Ternary 1110120111201012
4 Quaternary 1100032220033
5 Quinary 20341001224
6 Senary 2030435435
8 Octal 120165017
10 Decimal 21031439
12 Duodecimal 7062b7b
16 Hexadecimal 140ea0f
20 Vigesimal 6b8ibj
36 Base36 ciryn

Cryptographic Hash Functions

md5 d79a81c56c31dfd4c13d22b98b061e97
sha1 cb6d5460ec023d6351daad113d868a37715c92ee
sha256 a4764d8d224ff596808a3395453be48ea92a3b74b4d2c3f2353145fb76815540
sha512 de270e96cafab5f70d88275382bbdc15c2d16ef6bddb6f48db7bdc65de8514422cc6c5e4229f191524bbcd390c4ada86738efb8937b64915dc28c4cbc5d22f10
ripemd-160 02cedb918d69f1eb72bfd1a99d94eab5c5859f8c

21031439 as geometric shapes

Circle

Radius = n
Diameter 42062878
Circumference 132144428.51364
Area 1.3895937437373E+15

Sphere

Radius = n
Volume 3.896687474159E+22
Surface area 5.5583749749491E+15
Circumference 132144428.51364

Square

Length = n
Perimeter 84125756
Area 442321426410721
Diagonal 29742946.270022

Cube

Length = n
Surface area 2653928558464326
Volume 9.3026560979501E+21
Space diagonal 36427520.904286

Equilateral Triangle

Length = n
Perimeter 63094317
Area 1.9153079595493E+14
Altitude 18213760.452143

Triangular Pyramid

Length = n
Surface area 1.9153079595493E+14
Volume 1.0963285349845E+21
Height 9914315.4233408