20990428 (number)

20990428 is an even 8-digits composite number following 20990427 and preceding 20990429. In scientific notation, it is written as 2.0990428 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10402112 positive integers (up to 20990428) that are relatively prime to 20990428.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand four hundred twenty-eight

Notation

Scientific notation 2.0990428 × 10^7
Engineering notation 2.0990428 × 10^6

Prime Factorization of 20990428

Prime Factorization 2 × 2 × 113 × 46439

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10495214
Product of the distinct prime numbers

The prime factorization of 20990428 is 2 × 2 × 113 × 46439. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 28, 79, 109, 897, 810, 4043, 69584, 21234, 198814, 75081, 3277668, 2396156, 68451043, 71925930, 482643356, 928593661, 1272487957, 9688022832

Basic calculations (n = 20990428)

Multiplication

n×y
n×2 41980856
n×3 62971284
n×4 83961712
n×5 104952140

Division

n÷y
n÷2 10495214
n÷3 6996809.3333333
n÷3 5247607
n÷5 4198085.6

Exponentiation

ny
n2 440598067623184
n3 9.2483420153836E+21
n4 1.9412665719328E+29
n5 4.0748016206963E+36

Nth Root

y√n
2√n 4581.5311850952
3√n 275.8504931371
4√n 67.687008983225
5√n 29.134277922889

Divisors of 20990428

1, 2, 4, 113, 226, 452, 46439, 92878, 185756, 5247607, 10495214, 20990428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20990427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20990428 can be divided by 12 positive divisors. The sum of these divisors (counting 20990428) is 1, the average is 0.083333333333333.

Base conversion 20990428

Base System Value
2 Binary 1010000000100100111011100
3 Ternary 1110111102110021
4 Quaternary 1100010213130
5 Quinary 20333143203
6 Senary 2025521524
8 Octal 120044734
10 Decimal 20990428
12 Duodecimal 70432a4
16 Hexadecimal 14049dc
20 Vigesimal 6b3g18
36 Base36 chwbg

Cryptographic Hash Functions

md5 b895a5752911de57e3fe479647ef26a9
sha1 db3c52f070bd61106785d85ac0e2c178d8861d0a
sha256 8cd82a8f7dd50081dc56eec5fc87b29b1d2b16c0a5a3055b703a385eb0956564
sha512 69dfec81614dc3333773f065139c557317b7a3810f55cb061540ca6ed651a474d8a2040a197016ec8c677825103cf11bb9cb7de85e460403f8a4ba1cdadc4a68
ripemd-160 460a53b229e7753d45bf73257013f5e71877f892

20990428 as geometric shapes

Circle

Radius = n
Diameter 41980856
Circumference 131886748.80101
Area 1.3841796524309E+15

Sphere

Radius = n
Volume 3.8739364444553E+22
Surface area 5.5367186097234E+15
Circumference 131886748.80101

Square

Length = n
Perimeter 83961712
Area 440598067623184
Diagonal 29684947.957616

Cube

Length = n
Surface area 2643588405739104
Volume 9.2483420153836E+21
Space diagonal 36356487.768616

Equilateral Triangle

Length = n
Perimeter 62971284
Area 1.9078455971001E+14
Altitude 18178243.884308

Triangular Pyramid

Length = n
Surface area 1.9078455971001E+14
Volume 1.0899275589684E+21
Height 9894982.6525387