20178421 (number)

20178421 is an odd 8-digits composite number following 20178420 and preceding 20178422. In scientific notation, it is written as 2.0178421 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19982412 positive integers (up to 20178421) that are relatively prime to 20178421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0178421 × 10^7
Engineering notation 2.0178421 × 10^6

Prime Factorization of 20178421

Prime Factorization 103 × 195907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20178421
Product of the distinct prime numbers

The prime factorization of 20178421 is 103 × 195907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20178421)

Multiplication

n×y
n×2 40356842
n×3 60535263
n×4 80713684
n×5 100892105

Division

n÷y
n÷2 10089210.5
n÷3 6726140.3333333
n÷3 5044605.25
n÷5 4035684.2

Exponentiation

ny
n2 407168674053241
n3 8.2160209230581E+21
n4 1.6578632913027E+29
n5 3.3453063452352E+36

Nth Root

y√n
2√n 4492.039737135
3√n 272.24655502486
4√n 67.022680766551
5√n 28.905296979406

Divisors of 20178421

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 -20178420
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 20178421 can be divided by 4 positive divisors. The sum of these divisors (counting 20178421) is 1, the average is 0.25.

Base conversion 20178421

Base System Value
2 Binary 1001100111110010111110101
3 Ternary 1101222011120221
4 Quaternary 1030332113311
5 Quinary 20131202141
6 Senary 2000254341
8 Octal 114762765
10 Decimal 20178421
12 Duodecimal 69113b1
16 Hexadecimal 133e5f5
20 Vigesimal 662611
36 Base36 c0hrp

Cryptographic Hash Functions

md5 de34796e5dca49f24215fac035647870
sha1 352002f1e5519b51452caf6a065690f704ee6d73
sha256 f05c673b6f0a191321676553e8dcf66efae25cbb32810d4efc6336398d5324e1
sha512 2c4fcf9ae0291bb136e7125038a8a05179454ffbe31aac03fe57c21ede5fb7ef58f9b07ebecf382884168d0823105c7301b67f3647b52e4400dbe5bc87c2e0ea
ripemd-160 39864be27a410812d1bd93cca73bb237cc5f6bb6

20178421 as geometric shapes

Circle

Radius = n
Diameter 40356842
Circumference 126784758.34928
Area 1.2791581151776E+15

Sphere

Radius = n
Volume 3.4415187964826E+22
Surface area 5.1166324607102E+15
Circumference 126784758.34928

Square

Length = n
Perimeter 80713684
Area 407168674053241
Diagonal 28536596.645474

Cube

Length = n
Surface area 2443012044319446
Volume 8.2160209230581E+21
Space diagonal 34950050.388515

Equilateral Triangle

Length = n
Perimeter 60535263
Area 1.7630920767767E+14
Altitude 17475025.194257

Triangular Pyramid

Length = n
Surface area 1.7630920767767E+14
Volume 9.6826735151082E+20
Height 9512198.8818247