20405655 (number)

20405655 is an odd 8-digits composite number following 20405654 and preceding 20405656. In scientific notation, it is written as 2.0405655 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10882944 positive integers (up to 20405655) that are relatively prime to 20405655.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand six hundred fifty-five

Notation

Scientific notation 2.0405655 × 10^7
Engineering notation 2.0405655 × 10^6

Prime Factorization of 20405655

Prime Factorization 5 × 3 × 9 × 151153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20405655
Product of the distinct prime numbers

The prime factorization of 20405655 is 5 × 3 × 9 × 151153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 25, 83, 864, 599, 5851, 127, 18956, 10949, 721256, 908390, 4268972, 1325125, 9921684, 93882813, 922918229, 415852355, 5636554858, 8639680570

Basic calculations (n = 20405655)

Multiplication

n×y
n×2 40811310
n×3 61216965
n×4 81622620
n×5 102028275

Division

n÷y
n÷2 10202827.5
n÷3 6801885
n÷3 5101413.75
n÷5 4081131

Exponentiation

ny
n2 416390755979025
n3 8.4967261116972E+21
n4 1.7338126166478E+29
n5 3.5379582089963E+36

Nth Root

y√n
2√n 4517.2618918987
3√n 273.26468713702
4√n 67.210578720159
5√n 28.970107579577

Divisors of 20405655

1, 3, 5, 9, 15, 27, 45, 135, 151153, 453459, 755765, 1360377, 2267295, 4081131, 6801885, 20405655

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 -20405654
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 20405655 can be divided by 16 positive divisors. The sum of these divisors (counting 20405655) is 1, the average is 0.0625.

Base conversion 20405655

Base System Value
2 Binary 1001101110101110110010111
3 Ternary 1102101201022000
4 Quaternary 1031311312113
5 Quinary 20210440110
6 Senary 2005210343
8 Octal 115656627
10 Decimal 20405655
12 Duodecimal 6a009b3
16 Hexadecimal 1375d97
20 Vigesimal 67ae2f
36 Base36 c5d3r

Cryptographic Hash Functions

md5 bc52e7758de7bcd61e50fe2aeb46a03e
sha1 bd118fc4c4c42c75cf3eebbcf56660acd97f9fa0
sha256 26e5329e5dfb46ad1cc5118cb42e3aea985e138e023061dba161e64304280ab8
sha512 135e9c5bbe098b2b532dd69d13e648cf049842e8da6c8e340d17b19fdb7efae4a426c7b8944b5c56df69eed5590658fd3ca9f663fc643b27c3b4a431acb4e317
ripemd-160 d0f0b58e5bc249d87455757be3866ae4d1e3cf3c

20405655 as geometric shapes

Circle

Radius = n
Diameter 40811310
Circumference 128212511.67938
Area 1.3081301400064E+15

Sphere

Radius = n
Volume 3.559100310943E+22
Surface area 5.2325205600256E+15
Circumference 128212511.67938

Square

Length = n
Perimeter 81622620
Area 416390755979025
Diagonal 28857954.050106

Cube

Length = n
Surface area 2498344535874150
Volume 8.4967261116972E+21
Space diagonal 35343631.221722

Equilateral Triangle

Length = n
Perimeter 61216965
Area 1.8030248628942E+14
Altitude 17671815.610861

Triangular Pyramid

Length = n
Surface area 1.8030248628942E+14
Volume 1.0013487752443E+21
Height 9619318.0167021