20407821 (number)

20407821 is an odd 8-digits composite number following 20407820 and preceding 20407822. In scientific notation, it is written as 2.0407821 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11600064 positive integers (up to 20407821) that are relatively prime to 20407821.

Interesting facts

Basic properties

Name

Name twenty million four hundred seven thousand eight hundred twenty-one

Notation

Scientific notation 2.0407821 × 10^7
Engineering notation 2.0407821 × 10^6

Prime Factorization of 20407821

Prime Factorization 7 × 3 × 197 × 4933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20407821
Product of the distinct prime numbers

The prime factorization of 20407821 is 7 × 3 × 197 × 4933. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 73, 63, 218, 38, 7511, 4031, 46988, 23364, 506289, 95227, 7330099, 2157687, 24198856, 51722807, 118911558, 410130538, 3444629535, 9997853760

Basic calculations (n = 20407821)

Multiplication

n×y
n×2 40815642
n×3 61223463
n×4 81631284
n×5 102039105

Division

n÷y
n÷2 10203910.5
n÷3 6802607
n÷3 5101955.25
n÷5 4081564.2

Exponentiation

ny
n2 416479157968041
n3 8.4994321060425E+21
n4 1.7345488902177E+29
n5 3.5398363267311E+36

Nth Root

y√n
2√n 4517.5016325398
3√n 273.27435554138
4√n 67.212362200267
5√n 28.970722571734

Divisors of 20407821

1, 3, 7, 21, 197, 591, 1379, 4137, 4933, 14799, 34531, 103593, 971801, 2915403, 6802607, 20407821

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 -20407820
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 20407821 can be divided by 16 positive divisors. The sum of these divisors (counting 20407821) is 1, the average is 0.0625.

Base conversion 20407821

Base System Value
2 Binary 1001101110110011000001101
3 Ternary 1102101211021020
4 Quaternary 1031312120031
5 Quinary 20211022241
6 Senary 2005224353
8 Octal 115663015
10 Decimal 20407821
12 Duodecimal 6a020b9
16 Hexadecimal 137660d
20 Vigesimal 67ajb1
36 Base36 c5erx

Cryptographic Hash Functions

md5 13d50d8bafe535a13e65a90e0bdb9073
sha1 70d8c69905b4333dd8cf9da63900b28a4c8a3906
sha256 8ced9a5e7861ee31fc325bf88960044510f9c0e6efba2a4814a8130945635c6e
sha512 b80f57a8820b9ae27ea7af05323df89a428db3b4fba9e190141b3bd619c9e61c97e1e443f65220854508a66ce8a7612cbcf2e1b4f85f17cac4086865c1a5fff9
ripemd-160 b457f9262fb559c6ecc889719de4d159bdc08f08

20407821 as geometric shapes

Circle

Radius = n
Diameter 40815642
Circumference 128226121.05875
Area 1.3084078630457E+15

Sphere

Radius = n
Volume 3.5602337952038E+22
Surface area 5.2336314521826E+15
Circumference 128226121.05875

Square

Length = n
Perimeter 81631284
Area 416479157968041
Diagonal 28861017.236682

Cube

Length = n
Surface area 2498874947808246
Volume 8.4994321060425E+21
Space diagonal 35347382.843771

Equilateral Triangle

Length = n
Perimeter 61223463
Area 1.8034076547354E+14
Altitude 17673691.421886

Triangular Pyramid

Length = n
Surface area 1.8034076547354E+14
Volume 1.0016676797362E+21
Height 9620339.0788942