20405420 (number)

20405420 is an even 8-digits composite number following 20405419 and preceding 20405421. In scientific notation, it is written as 2.0405420 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors. There are 6996096 positive integers (up to 20405420) that are relatively prime to 20405420.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand four hundred twenty

Notation

Scientific notation 2.0405420 × 10^7
Engineering notation 2.0405420 × 10^6

Prime Factorization of 20405420

Prime Factorization 2 × 2 × 5 × 7 × 145753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10202710
Product of the distinct prime numbers

The prime factorization of 20405420 is 2 × 2 × 5 × 7 × 145753. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 43, 66, 538, 738, 9008, 1350, 90413, 63843, 143707, 466859, 6665440, 5780443, 97143538, 4890176, 961913469, 629073318, 7069240156, 8371793768

Basic calculations (n = 20405420)

Multiplication

n×y
n×2 40810840
n×3 61216260
n×4 81621680
n×5 102027100

Division

n÷y
n÷2 10202710
n÷3 6801806.6666667
n÷3 5101355
n÷5 4081084

Exponentiation

ny
n2 416381165376400
n3 8.4964325595949E+21
n4 1.7337327488021E+29
n5 3.5377544907061E+36

Nth Root

y√n
2√n 4517.2358804915
3√n 273.26363812311
4√n 67.210385213087
5√n 28.97004085291

Divisors of 20405420

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145753, 291506, 583012, 728765, 1020271, 1457530, 2040542, 2915060, 4081084, 5101355, 10202710, 20405420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405420 can be divided by 24 positive divisors. The sum of these divisors (counting 20405420) is 1, the average is 0.041666666666667.

Base conversion 20405420

Base System Value
2 Binary 1001101110101110010101100
3 Ternary 1102101200222022
4 Quaternary 1031311302230
5 Quinary 20210433140
6 Senary 2005205312
8 Octal 115656254
10 Decimal 20405420
12 Duodecimal 6a00838
16 Hexadecimal 1375cac
20 Vigesimal 67adb0
36 Base36 c5cx8

Cryptographic Hash Functions

md5 8a9592e35621f32084879433be514e55
sha1 15a52eeb97a48cb902f4ff6602041bb4c4d121a4
sha256 f637ae11fae5ba4d6e6d0abc91771520784fc30da3accbf929411e9284cecb02
sha512 c7a4b0b85c12dfd4bbb7bbb04a972ff468bc25101a288db269c589cb6ef4074f6a32d9067ee5ab6f2b50cbec84c3b82bb4a137deb40b71abcc42f098b32e870e
ripemd-160 cf7fb9201f1fad44306b3cf092a9a123f7197d4f

20405420 as geometric shapes

Circle

Radius = n
Diameter 40810840
Circumference 128211035.13083
Area 1.3081000102397E+15

Sphere

Radius = n
Volume 3.5589773481259E+22
Surface area 5.2324000409586E+15
Circumference 128211035.13083

Square

Length = n
Perimeter 81621680
Area 416381165376400
Diagonal 28857621.709919

Cube

Length = n
Surface area 2498286992258400
Volume 8.4964325595949E+21
Space diagonal 35343224.189782

Equilateral Triangle

Length = n
Perimeter 61216260
Area 1.8029833343667E+14
Altitude 17671612.094891

Triangular Pyramid

Length = n
Surface area 1.8029833343667E+14
Volume 1.0013141797973E+21
Height 9619207.2366397