20391105 (number)

20391105 is an odd 8-digits composite number following 20391104 and preceding 20391106. In scientific notation, it is written as 2.0391105 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 9321312 positive integers (up to 20391105) that are relatively prime to 20391105.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-one thousand one hundred five

Notation

Scientific notation 2.0391105 × 10^7
Engineering notation 2.0391105 × 10^6

Prime Factorization of 20391105

Prime Factorization 3 × 35 × 7 × 27743

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20391105
Product of the distinct prime numbers

The prime factorization of 20391105 is 3 × 35 × 7 × 27743. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 83, 2, 638, 457, 6006, 5410, 41630, 54561, 610383, 84334, 5904543, 129152, 91685092, 35992188, 28759646, 463252434, 4889479027, 6011536946

Basic calculations (n = 20391105)

Multiplication

n×y
n×2 40782210
n×3 61173315
n×4 81564420
n×5 101955525

Division

n÷y
n÷2 10195552.5
n÷3 6797035
n÷3 5097776.25
n÷5 4078221

Exponentiation

ny
n2 415797163121025
n3 8.4785636119029E+21
n4 1.7288728085949E+29
n5 3.5253626971704E+36

Nth Root

y√n
2√n 4515.6511158414
3√n 273.1997223583
4√n 67.198594597219
5√n 28.965975045343

Divisors of 20391105

1, 3, 7, 21, 35, 105, 245, 735, 27743, 83229, 194201, 582603, 971005, 2913015, 6797035, 20391105

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 -20391104
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 20391105 can be divided by 16 positive divisors. The sum of these divisors (counting 20391105) is 1, the average is 0.0625.

Base conversion 20391105

Base System Value
2 Binary 1001101110010010011000001
3 Ternary 1102100222100010
4 Quaternary 1031302103001
5 Quinary 20210003410
6 Senary 2005015133
8 Octal 115622301
10 Decimal 20391105
12 Duodecimal 69b44a9
16 Hexadecimal 13724c1
20 Vigesimal 678hf5
36 Base36 c51vl

Cryptographic Hash Functions

md5 80ba49bafa8e2f20366ad9a5f201de84
sha1 0d4ae0111523f1dd9bba123e5b309e42305ff1c6
sha256 8bd813e83561e40aebfd66de8e7f74cfd7c43e07021d9b3f1795cf4a67884097
sha512 c0442366c9e5fb3c41f43766ce32b24534f15a99f1c2d093cf0d33f3d7fed0ca4b0d2abfe9c7c1e505f36aa1228576d34cf2957b098e0c069c29d4a22ad45fe9
ripemd-160 b316c45e312798d1b931d15e5ab1cd23199d9ba0

20391105 as geometric shapes

Circle

Radius = n
Diameter 40782210
Circumference 128121091.33316
Area 1.3062653130445E+15

Sphere

Radius = n
Volume 3.5514924208197E+22
Surface area 5.225061252178E+15
Circumference 128121091.33316

Square

Length = n
Perimeter 81564420
Area 415797163121025
Diagonal 28837377.242774

Cube

Length = n
Surface area 2494782978726150
Volume 8.4785636119029E+21
Space diagonal 35318429.882472

Equilateral Triangle

Length = n
Perimeter 61173315
Area 1.8004545304215E+14
Altitude 17659214.941236

Triangular Pyramid

Length = n
Surface area 1.8004545304215E+14
Volume 9.9920830411635E+20
Height 9612459.0809246