20407865 (number)

20407865 is an odd 8-digits composite number following 20407864 and preceding 20407866. In scientific notation, it is written as 2.0407865 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 16082352 positive integers (up to 20407865) that are relatively prime to 20407865.

Interesting facts

Basic properties

Name

Name twenty million four hundred seven thousand eight hundred sixty-five

Notation

Scientific notation 2.0407865 × 10^7
Engineering notation 2.0407865 × 10^6

Prime Factorization of 20407865

Prime Factorization 5 × 67 × 60919

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20407865
Product of the distinct prime numbers

The prime factorization of 20407865 is 5 × 67 × 60919. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 75, 51, 131, 8, 7953, 7018, 80586, 74825, 656776, 265562, 5847377, 4180105, 29298526, 79413515, 290919715, 522419113, 4318390567, 4142257221

Basic calculations (n = 20407865)

Multiplication

n×y
n×2 40815730
n×3 61223595
n×4 81631460
n×5 102039325

Division

n÷y
n÷2 10203932.5
n÷3 6802621.6666667
n÷3 5101966.25
n÷5 4081573

Exponentiation

ny
n2 416480953858225
n3 8.4994870814099E+21
n4 1.7345638492666E+29
n5 3.5398744869712E+36

Nth Root

y√n
2√n 4517.5065024856
3√n 273.2745519377
4√n 67.212398428308
5√n 28.970735064108

Divisors of 20407865

1, 5, 67, 335, 60919, 304595, 4081573, 20407865

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 -20407864
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 20407865 can be divided by 8 positive divisors. The sum of these divisors (counting 20407865) is 1, the average is 0.125.

Base conversion 20407865

Base System Value
2 Binary 1001101110110011000111001
3 Ternary 1102101211022212
4 Quaternary 1031312120321
5 Quinary 20211022430
6 Senary 2005224505
8 Octal 115663071
10 Decimal 20407865
12 Duodecimal 6a02135
16 Hexadecimal 1376639
20 Vigesimal 67ajd5
36 Base36 c5et5

Cryptographic Hash Functions

md5 0dfa8912851f6f54c1a50e026740da48
sha1 5dd071514b99509e25190251519265a53e0d4497
sha256 feb94659a068d104200d3ed6f7191858e2841302bcdd65d3918e93352ed9b753
sha512 7e2bf593b419678ec9a9f2f72020093f03a0e66895d14b6d840616427ccf936efc3a930bee3e0078d9039ff35579ec7d9c4126c0d08551bce0f927e043f99012
ripemd-160 04f0360ac6376905c18d3d9767ab709f3c325c17

20407865 as geometric shapes

Circle

Radius = n
Diameter 40815730
Circumference 128226397.5189
Area 1.3084135050011E+15

Sphere

Radius = n
Volume 3.5602568232318E+22
Surface area 5.2336540200043E+15
Circumference 128226397.5189

Square

Length = n
Perimeter 81631460
Area 416480953858225
Diagonal 28861079.462079

Cube

Length = n
Surface area 2498885723149350
Volume 8.4994870814099E+21
Space diagonal 35347459.054007

Equilateral Triangle

Length = n
Perimeter 61223595
Area 1.803415431168E+14
Altitude 17673729.527003

Triangular Pyramid

Length = n
Surface area 1.803415431168E+14
Volume 1.0016741586454E+21
Height 9620359.8206931