20105745 (number)

20105745 is an odd 8-digits composite number following 20105744 and preceding 20105746. In scientific notation, it is written as 2.0105745 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 9748160 positive integers (up to 20105745) that are relatively prime to 20105745.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand seven hundred forty-five

Notation

Scientific notation 2.0105745 × 10^7
Engineering notation 2.0105745 × 10^6

Prime Factorization of 20105745

Prime Factorization 11 × 3 × 5 × 121853

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20105745
Product of the distinct prime numbers

The prime factorization of 20105745 is 11 × 3 × 5 × 121853. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 2, 18, 568, 757, 611, 624, 62611, 45415, 717682, 723280, 1704045, 856476, 97728619, 27607426, 343904738, 375383153, 4044075857, 2393539438

Basic calculations (n = 20105745)

Multiplication

n×y
n×2 40211490
n×3 60317235
n×4 80422980
n×5 100528725

Division

n÷y
n÷2 10052872.5
n÷3 6701915
n÷3 5026436.25
n÷5 4021149

Exponentiation

ny
n2 404240982005025
n3 8.1275661027426E+21
n4 1.6341077153239E+29
n5 3.2854953026834E+36

Nth Root

y√n
2√n 4483.9430192633
3√n 271.9193144835
4√n 66.962250703387
5√n 28.884445453298

Divisors of 20105745

1, 3, 5, 11, 15, 33, 55, 165, 121853, 365559, 609265, 1340383, 1827795, 4021149, 6701915, 20105745

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 -20105744
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 20105745 can be divided by 16 positive divisors. The sum of these divisors (counting 20105745) is 1, the average is 0.0625.

Base conversion 20105745

Base System Value
2 Binary 1001100101100101000010001
3 Ternary 1101211110220020
4 Quaternary 1030230220101
5 Quinary 20121340440
6 Senary 1554534053
8 Octal 114545021
10 Decimal 20105745
12 Duodecimal 6897329
16 Hexadecimal 132ca11
20 Vigesimal 65d475
36 Base36 byxox

Cryptographic Hash Functions

md5 2dbe1c9dbc9c6a0ce82a13ab9f27f114
sha1 0c7efccd5da46a4d9e58d873108dfe5215d53990
sha256 24e2db0f0604652e5a6a5c44cbcd940dfab6b8528c43bad60758769a0de90180
sha512 437a243b9b49390c39aa4213a5e7f5f2c3d7e2319cd5d2f73c45f0126abaccd32343f6ae0aa884b1a07d4850fba1a816ccc9d6cac80eb290a8774a5382061f1e
ripemd-160 5a453c646f89f1c1ee9120de220722df214d9b25

20105745 as geometric shapes

Circle

Radius = n
Diameter 40211490
Circumference 126328121.5739
Area 1.2699604993469E+15

Sphere

Radius = n
Volume 3.4044669279922E+22
Surface area 5.0798419973876E+15
Circumference 126328121.5739

Square

Length = n
Perimeter 80422980
Area 404240982005025
Diagonal 28433817.260615

Cube

Length = n
Surface area 2425445892030150
Volume 8.1275661027426E+21
Space diagonal 34824171.864024

Equilateral Triangle

Length = n
Perimeter 60317235
Area 1.7504147983356E+14
Altitude 17412085.932012

Triangular Pyramid

Length = n
Surface area 1.7504147983356E+14
Volume 9.578428509652E+20
Height 9477939.0868717