20649505 (number)

20649505 is an odd 8-digits composite number following 20649504 and preceding 20649506. In scientific notation, it is written as 2.0649505 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 16367616 positive integers (up to 20649505) that are relatively prime to 20649505.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-nine thousand five hundred five

Notation

Scientific notation 2.0649505 × 10^7
Engineering notation 2.0649505 × 10^6

Prime Factorization of 20649505

Prime Factorization 5 × 109 × 37889

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20649505
Product of the distinct prime numbers

The prime factorization of 20649505 is 5 × 109 × 37889. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 59, 5, 724, 157, 248, 3714, 18129, 1890, 906027, 280540, 9254037, 9762206, 83405369, 14763527, 792609080, 776688566, 7166544215, 1355285332

Basic calculations (n = 20649505)

Multiplication

n×y
n×2 41299010
n×3 61948515
n×4 82598020
n×5 103247525

Division

n÷y
n÷2 10324752.5
n÷3 6883168.3333333
n÷3 5162376.25
n÷5 4129901

Exponentiation

ny
n2 426402056745025
n3 8.8049914027667E+21
n4 1.8181871399639E+29
n5 3.754466443762E+36

Nth Root

y√n
2√n 4544.1726419669
3√n 274.34889488611
4√n 67.410478725246
5√n 29.039018211116

Divisors of 20649505

1, 5, 109, 545, 37889, 189445, 4129901, 20649505

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20649504
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20649505 can be divided by 8 positive divisors. The sum of these divisors (counting 20649505) is 1, the average is 0.125.

Base conversion 20649505

Base System Value
2 Binary 1001110110001011000100001
3 Ternary 1102212002210111
4 Quaternary 1032301120201
5 Quinary 20241241010
6 Senary 2014331321
8 Octal 116613041
10 Decimal 20649505
12 Duodecimal 6ab9b41
16 Hexadecimal 13b1621
20 Vigesimal 6913f5
36 Base36 cal9d

Cryptographic Hash Functions

md5 4a0a3347426e725e8b0f7a08b83ccd3c
sha1 298411169f884b4f6c4468c6763a681680b77e64
sha256 fbc8937b80021634bede00c854ffc65d17433d1a0f3865b44b3f1f380f9ecc79
sha512 6c283c0486d6424f9f297820c5a8a70cbf2d73a9f4aa9e32f0745db1440ba250effce55de93a42218ac853fbfa8692cf64fd00968a1f73d11603a81028271636
ripemd-160 0519d574b07791b917b1975abcbcfd5b8b05fceb

20649505 as geometric shapes

Circle

Radius = n
Diameter 41299010
Circumference 129744666.41653
Area 1.3395815689457E+15

Sphere

Radius = n
Volume 3.6882261741137E+22
Surface area 5.358326275783E+15
Circumference 129744666.41653

Square

Length = n
Perimeter 82598020
Area 426402056745025
Diagonal 29202810.027291

Cube

Length = n
Surface area 2558412340470150
Volume 8.8049914027667E+21
Space diagonal 35765991.811148

Equilateral Triangle

Length = n
Perimeter 61948515
Area 1.8463750668356E+14
Altitude 17882995.905574

Triangular Pyramid

Length = n
Surface area 1.8463750668356E+14
Volume 1.0376781881976E+21
Height 9734270.009097