20402409 (number)

20402409 is an odd 8-digits composite number following 20402408 and preceding 20402410. In scientific notation, it is written as 2.0402409 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 12805056 positive integers (up to 20402409) that are relatively prime to 20402409.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand four hundred nine

Notation

Scientific notation 2.0402409 × 10^7
Engineering notation 2.0402409 × 10^6

Prime Factorization of 20402409

Prime Factorization 3 × 19 × 173 × 2069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20402409
Product of the distinct prime numbers

The prime factorization of 20402409 is 3 × 19 × 173 × 2069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 71, 66, 653, 182, 3862, 5070, 67308, 2559, 384263, 192553, 8013062, 7589341, 12781684, 39718355, 244244622, 956870581, 637851837, 6744093324

Basic calculations (n = 20402409)

Multiplication

n×y
n×2 40804818
n×3 61207227
n×4 81609636
n×5 102012045

Division

n÷y
n÷2 10201204.5
n÷3 6800803
n÷3 5100602.25
n÷5 4080481.8

Exponentiation

ny
n2 416258293003281
n3 8.4926719434948E+21
n4 1.7327096649401E+29
n5 3.535145126236E+36

Nth Root

y√n
2√n 4516.9025891644
3√n 273.2501966406
4√n 67.207905704347
5√n 28.969185845349

Divisors of 20402409

1, 3, 19, 57, 173, 519, 2069, 3287, 6207, 9861, 39311, 117933, 357937, 1073811, 6800803, 20402409

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20402408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20402409 can be divided by 16 positive divisors. The sum of these divisors (counting 20402409) is 1, the average is 0.0625.

Base conversion 20402409

Base System Value
2 Binary 1001101110101000011101001
3 Ternary 1102101112211210
4 Quaternary 1031311003221
5 Quinary 20210334114
6 Senary 2005143333
8 Octal 115650351
10 Decimal 20402409
12 Duodecimal 69bab49
16 Hexadecimal 13750e9
20 Vigesimal 67a609
36 Base36 c5all

Cryptographic Hash Functions

md5 ca8d51c1b11ea2c3883d2779baca0e4a
sha1 5738a8e73ebcc381b840592978fa89a5921c4daa
sha256 80cbe9c4666c1063f9cbb30ffc490ec3e3b66d1d6722d5553145e554015b1963
sha512 b17758ad415a5f43586c725fc2e326a00c0a66dace08825c593940b31852f12fa64675bf0ebfabd5c53adf18f626b5e5c1104d41867a9fe60faeb226c47ef024
ripemd-160 edfcfcb83df31f8b20fde453cc2a3477439ea0c4

20402409 as geometric shapes

Circle

Radius = n
Diameter 40804818
Circumference 128192116.45987
Area 1.3077139952949E+15

Sphere

Radius = n
Volume 3.5574021049375E+22
Surface area 5.2308559811797E+15
Circumference 128192116.45987

Square

Length = n
Perimeter 81609636
Area 416258293003281
Diagonal 28853363.512883

Cube

Length = n
Surface area 2497549758019686
Volume 8.4926719434948E+21
Space diagonal 35338008.984801

Equilateral Triangle

Length = n
Perimeter 61207227
Area 1.8024512813839E+14
Altitude 17669004.4924

Triangular Pyramid

Length = n
Surface area 1.8024512813839E+14
Volume 1.0008709869396E+21
Height 9617787.8376276