20251421 (number)

20251421 is an odd 8-digits composite number following 20251420 and preceding 20251422. In scientific notation, it is written as 2.0251421 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 20096700 positive integers (up to 20251421) that are relatively prime to 20251421.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifty-one thousand four hundred twenty-one

Notation

Scientific notation 2.0251421 × 10^7
Engineering notation 2.0251421 × 10^6

Prime Factorization of 20251421

Prime Factorization 131 × 154591

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20251421
Product of the distinct prime numbers

The prime factorization of 20251421 is 131 × 154591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20251421)

Multiplication

n×y
n×2 40502842
n×3 60754263
n×4 81005684
n×5 101257105

Division

n÷y
n÷2 10125710.5
n÷3 6750473.6666667
n÷3 5062855.25
n÷5 4050284.2

Exponentiation

ny
n2 410120052519241
n3 8.3055138441093E+21
n4 1.6819845747838E+29
n5 3.4062577739454E+36

Nth Root

y√n
2√n 4500.1578861191
3√n 272.57446440128
4√n 67.083216128322
5√n 28.926181069439

Divisors of 20251421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20251420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20251421 can be divided by 4 positive divisors. The sum of these divisors (counting 20251421) is 1, the average is 0.25.

Base conversion 20251421

Base System Value
2 Binary 1001101010000001100011101
3 Ternary 1102002212201122
4 Quaternary 1031100030131
5 Quinary 20141021141
6 Senary 2002020325
8 Octal 115201435
10 Decimal 20251421
12 Duodecimal 69476a5
16 Hexadecimal 135031d
20 Vigesimal 66b8b1
36 Base36 c223h

Cryptographic Hash Functions

md5 1514917ce69807ff97530253239ceb78
sha1 ccceed07b2f85ac19c7ce23a7c0b9776ce6614c0
sha256 75098270160951be1bd18d8756c3083d1d8779cbce80e72f0edc9e86e5d80333
sha512 2c1545dad29b4b1cc2a4e94d2820e19c81ea818cf9b0cfce3655c077ee16abfa3fe0e35f8013e190d87ef6ae2e3135c76b5285392ae07dc12f75c80f24d5ac76
ripemd-160 438939c85c4085ff0828742f2b2b0277c26a3be3

20251421 as geometric shapes

Circle

Radius = n
Diameter 40502842
Circumference 127243430.87671
Area 1.2884301440843E+15

Sphere

Radius = n
Volume 3.4790055035923E+22
Surface area 5.1537205763372E+15
Circumference 127243430.87671

Square

Length = n
Perimeter 81005684
Area 410120052519241
Diagonal 28639834.235527

Cube

Length = n
Surface area 2460720315115446
Volume 8.3055138441093E+21
Space diagonal 35076490.097467

Equilateral Triangle

Length = n
Perimeter 60754263
Area 1.7758719204154E+14
Altitude 17538245.048734

Triangular Pyramid

Length = n
Surface area 1.7758719204154E+14
Volume 9.788141934014E+20
Height 9546611.4118424