20542949 (number)

20542949 is an odd 8-digits composite number following 20542948 and preceding 20542950. In scientific notation, it is written as 2.0542949 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 17040240 positive integers (up to 20542949) that are relatively prime to 20542949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0542949 × 10^7
Engineering notation 2.0542949 × 10^6

Prime Factorization of 20542949

Prime Factorization 7 × 43 × 139 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20542949
Product of the distinct prime numbers

The prime factorization of 20542949 is 7 × 43 × 139 × 491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 90, 26, 374, 171, 3724, 5773, 34696, 79856, 892309, 394578, 1643234, 7810794, 76096839, 41408356, 960652045, 527006256, 9166193368, 1185577016

Basic calculations (n = 20542949)

Multiplication

n×y
n×2 41085898
n×3 61628847
n×4 82171796
n×5 102714745

Division

n÷y
n÷2 10271474.5
n÷3 6847649.6666667
n÷3 5135737.25
n÷5 4108589.8

Exponentiation

ny
n2 422012753616601
n3 8.6693864748954E+21
n4 1.7809476421507E+29
n5 3.6585916584371E+36

Nth Root

y√n
2√n 4532.433011088
3√n 273.87618057973
4√n 67.323346701482
5√n 29.008986611414

Divisors of 20542949

1, 7, 43, 139, 301, 491, 973, 3437, 5977, 21113, 41839, 68249, 147791, 477743, 2934707, 20542949

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 -20542948
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 20542949 can be divided by 16 positive divisors. The sum of these divisors (counting 20542949) is 1, the average is 0.0625.

Base conversion 20542949

Base System Value
2 Binary 1001110010111010111100101
3 Ternary 1102122200121222
4 Quaternary 1032113113211
5 Quinary 20224333244
6 Senary 2012150125
8 Octal 116272745
10 Decimal 20542949
12 Duodecimal 6a68345
16 Hexadecimal 13975e5
20 Vigesimal 687h79
36 Base36 c8b1h

Cryptographic Hash Functions

md5 bc2bc5e8c543cc9bf3473d5eaa3443f4
sha1 e833d220330b5c5ceaf5a2fb358b336f33dd4f8c
sha256 fb1a63e8b83a5e20311e0e56ff431904f6a49715b8212115b1e613708dd4eaac
sha512 4d31cbbb3668540f11970bce82b6434d5e779d8eda93ac9a1cfdffeca7f0f81e809c7bc40efd4d9241eaa433aad99f88027bb0bef9e356057930b96a49a4a15b
ripemd-160 cc03e00d0b3a8b5ba958e8199647f7ab67f66c9d

20542949 as geometric shapes

Circle

Radius = n
Diameter 41085898
Circumference 129075155.32294
Area 1.3257921664831E+15

Sphere

Radius = n
Volume 3.6314241147549E+22
Surface area 5.3031686659325E+15
Circumference 129075155.32294

Square

Length = n
Perimeter 82171796
Area 422012753616601
Diagonal 29052117.086939

Cube

Length = n
Surface area 2532076521699606
Volume 8.6693864748954E+21
Space diagonal 35581431.405296

Equilateral Triangle

Length = n
Perimeter 61628847
Area 1.827368826765E+14
Altitude 17790715.702648

Triangular Pyramid

Length = n
Surface area 1.827368826765E+14
Volume 1.0216969941876E+21
Height 9684039.0289796