20402489 (number)

20402489 is an odd 8-digits composite number following 20402488 and preceding 20402490. In scientific notation, it is written as 2.0402489 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19929280 positive integers (up to 20402489) that are relatively prime to 20402489.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand four hundred eighty-nine

Notation

Scientific notation 2.0402489 × 10^7
Engineering notation 2.0402489 × 10^6

Prime Factorization of 20402489

Prime Factorization 8023 × 2543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20402489
Product of the distinct prime numbers

The prime factorization of 20402489 is 8023 × 2543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 5, 87, 10, 224, 849, 5358, 3796, 56504, 456, 803873, 476761, 2649828, 4896815, 71419826, 1423027, 527447398, 100632328, 1640021006, 3532138612

Basic calculations (n = 20402489)

Multiplication

n×y
n×2 40804978
n×3 61207467
n×4 81609956
n×5 102012445

Division

n÷y
n÷2 10201244.5
n÷3 6800829.6666667
n÷3 5100622.25
n÷5 4080497.8

Exponentiation

ny
n2 416261557395121
n3 8.4927718458768E+21
n4 1.7327368416501E+29
n5 3.5352144351661E+36

Nth Root

y√n
2√n 4516.9114447817
3√n 273.25055378776
4√n 67.207971586574
5√n 28.96920856356

Divisors of 20402489

1, 2543, 8023, 20402489

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 -20402488
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 20402489 can be divided by 4 positive divisors. The sum of these divisors (counting 20402489) is 1, the average is 0.25.

Base conversion 20402489

Base System Value
2 Binary 1001101110101000100111001
3 Ternary 1102101112221202
4 Quaternary 1031311010321
5 Quinary 20210334424
6 Senary 2005143545
8 Octal 115650471
10 Decimal 20402489
12 Duodecimal 69babb5
16 Hexadecimal 1375139
20 Vigesimal 67a649
36 Base36 c5ant

Cryptographic Hash Functions

md5 407f3230016167b04508af40d662d4ee
sha1 69c076ba73d99457a32a02f238f619c1f3a253b1
sha256 d37ca5479d5167f55d39a9fa8434d9848f58b10dfa8ce180ead988b6f1d3336a
sha512 3d2a552c6dade169b53abacda5d0c55583cf30fadeb6a690c2b5c7aab201dcd7ed02d3a33b7ec990018202ae08ef83c6485b75b70b7d498b900f2315b0926373
ripemd-160 57d9014c944387d357c7f577dc77d6dfa32a0c39

20402489 as geometric shapes

Circle

Radius = n
Diameter 40804978
Circumference 128192619.11469
Area 1.3077242506844E+15

Sphere

Radius = n
Volume 3.5574439519494E+22
Surface area 5.2308970027374E+15
Circumference 128192619.11469

Square

Length = n
Perimeter 81609956
Area 416261557395121
Diagonal 28853476.649968

Cube

Length = n
Surface area 2497569344370726
Volume 8.4927718458768E+21
Space diagonal 35338147.548865

Equilateral Triangle

Length = n
Perimeter 61207467
Area 1.8024654166152E+14
Altitude 17669073.774433

Triangular Pyramid

Length = n
Surface area 1.8024654166152E+14
Volume 1.0008827605483E+21
Height 9617825.5499893