20990431 (number)

20990431 is an odd 8-digits composite number following 20990430 and preceding 20990432. In scientific notation, it is written as 2.0990431 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16356120 positive integers (up to 20990431) that are relatively prime to 20990431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0990431 × 10^7
Engineering notation 2.0990431 × 10^6

Prime Factorization of 20990431

Prime Factorization 7 × 11 × 272603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20990431
Product of the distinct prime numbers

The prime factorization of 20990431 is 7 × 11 × 272603. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20990431)

Multiplication

n×y
n×2 41980862
n×3 62971293
n×4 83961724
n×5 104952155

Division

n÷y
n÷2 10495215.5
n÷3 6996810.3333333
n÷3 5247607.75
n÷5 4198086.2

Exponentiation

ny
n2 440598193565761
n3 9.2483459807667E+21
n4 1.9412676817341E+29
n5 4.074804532597E+36

Nth Root

y√n
2√n 4581.5315124967
3√n 275.85050627883
4√n 67.687011401721
5√n 29.134278755677

Divisors of 20990431

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 -20990430
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 20990431 can be divided by 8 positive divisors. The sum of these divisors (counting 20990431) is 1, the average is 0.125.

Base conversion 20990431

Base System Value
2 Binary 1010000000100100111011111
3 Ternary 1110111102110101
4 Quaternary 1100010213133
5 Quinary 20333143211
6 Senary 2025521531
8 Octal 120044737
10 Decimal 20990431
12 Duodecimal 70432a7
16 Hexadecimal 14049df
20 Vigesimal 6b3g1b
36 Base36 chwbj

Cryptographic Hash Functions

md5 3862f2be3344a3bb77276dc85387bb61
sha1 e7be8fe2172fb518c5633d5d86cc61ab2026293f
sha256 dcb6f3b46084423daecdde26202283cb66942763cf9ff60fc9895de51d24031c
sha512 8264054f720379538261febabf5c0539b91619bbcd674c106e8ccc6ca67693c60e8505ee3f3bb67eb44e25a412f1b0ad2c11051f139d61866b502341a4c40d79
ripemd-160 bdcb8c573fddf4321ce6a815fb6c66be1a945d9a

20990431 as geometric shapes

Circle

Radius = n
Diameter 41980862
Circumference 131886767.65057
Area 1.3841800480911E+15

Sphere

Radius = n
Volume 3.8739381054711E+22
Surface area 5.5367201923645E+15
Circumference 131886767.65057

Square

Length = n
Perimeter 83961724
Area 440598193565761
Diagonal 29684952.200257

Cube

Length = n
Surface area 2643589161394566
Volume 9.2483459807667E+21
Space diagonal 36356492.964769

Equilateral Triangle

Length = n
Perimeter 62971293
Area 1.9078461424474E+14
Altitude 18178246.482384

Triangular Pyramid

Length = n
Surface area 1.9078461424474E+14
Volume 1.0899280262933E+21
Height 9894984.0667522