20455749 (number)

20455749 is an odd 8-digits composite number following 20455748 and preceding 20455750. In scientific notation, it is written as 2.0455749 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13637160 positive integers (up to 20455749) that are relatively prime to 20455749.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand seven hundred forty-nine

Notation

Scientific notation 2.0455749 × 10^7
Engineering notation 2.0455749 × 10^6

Prime Factorization of 20455749

Prime Factorization 9 × 2272861

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20455749
Product of the distinct prime numbers

The prime factorization of 20455749 is 9 × 2272861. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20455749)

Multiplication

n×y
n×2 40911498
n×3 61367247
n×4 81822996
n×5 102278745

Division

n÷y
n÷2 10227874.5
n÷3 6818583
n÷3 5113937.25
n÷5 4091149.8

Exponentiation

ny
n2 418437667151001
n3 8.5594558913864E+21
n4 1.7509008129077E+29
n5 3.5815987552736E+36

Nth Root

y√n
2√n 4522.8032236656
3√n 273.48811759964
4√n 67.251789743215
5√n 28.984317421031

Divisors of 20455749

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20455748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20455749 can be divided by 4 positive divisors. The sum of these divisors (counting 20455749) is 1, the average is 0.25.

Base conversion 20455749

Base System Value
2 Binary 1001110000010000101000101
3 Ternary 1102111021000100
4 Quaternary 1032002011011
5 Quinary 20214040444
6 Senary 2010234313
8 Octal 116020505
10 Decimal 20455749
12 Duodecimal 6a25999
16 Hexadecimal 1382145
20 Vigesimal 67gj79
36 Base36 c6fr9

Cryptographic Hash Functions

md5 69ff35b3ac82221edb5093945c13b4f5
sha1 2b683340877793d1b52e8ddbed1fa111959cde72
sha256 9cc7509d2881ccc30669f451b99d768bdcbb26d2b5beda309a51015be76319c5
sha512 79e7d5d92fb92a268b3b988958c48620a6b949d955ca7eb38f49578878941e66c8d4783f5fb4b771dd6354a13df96c6a77eab6fc243215329ac0b924f86be5e7
ripemd-160 581bbbbe0a70ec95c1d59b862c15c391addc0118

20455749 as geometric shapes

Circle

Radius = n
Diameter 40911498
Circumference 128527261.56415
Area 1.3145607011068E+15

Sphere

Radius = n
Volume 3.5853764996141E+22
Surface area 5.2582428044273E+15
Circumference 128527261.56415

Square

Length = n
Perimeter 81822996
Area 418437667151001
Diagonal 28928797.6643

Cube

Length = n
Surface area 2510626002906006
Volume 8.5594558913864E+21
Space diagonal 35430396.574876

Equilateral Triangle

Length = n
Perimeter 61367247
Area 1.8118882482653E+14
Altitude 17715198.287438

Triangular Pyramid

Length = n
Surface area 1.8118882482653E+14
Volume 1.0087415506777E+21
Height 9642932.5547666