20138420 (number)

20138420 is an even 8-digits composite number following 20138419 and preceding 20138421. In scientific notation, it is written as 2.0138420 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors. There are 8027136 positive integers (up to 20138420) that are relatively prime to 20138420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138420 × 10^7
Engineering notation 2.0138420 × 10^6

Prime Factorization of 20138420

Prime Factorization 2 × 2 × 5 × 313 × 3217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10069210
Product of the distinct prime numbers

The prime factorization of 20138420 is 2 × 2 × 5 × 313 × 3217. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 95, 30, 840, 8, 3822, 7731, 65525, 9322, 140826, 859024, 6163445, 8882855, 36069240, 58661971, 919673574, 803748561, 2807415816, 6592118646

Basic calculations (n = 20138420)

Multiplication

n×y
n×2 40276840
n×3 60415260
n×4 80553680
n×5 100692100

Division

n÷y
n÷2 10069210
n÷3 6712806.6666667
n÷3 5034605
n÷5 4027684

Exponentiation

ny
n2 405555960096400
n3 8.1672562579245E+21
n4 1.6447563676971E+29
n5 3.3122794530359E+36

Nth Root

y√n
2√n 4487.5850966862
3√n 272.06653865229
4√n 66.989440187885
5√n 28.893827710199

Divisors of 20138420

1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3217, 6260, 6434, 12868, 16085, 32170, 64340, 1006921, 2013842, 4027684, 5034605, 10069210, 20138420

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 -20138419
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 20138420 can be divided by 24 positive divisors. The sum of these divisors (counting 20138420) is 1, the average is 0.041666666666667.

Base conversion 20138420

Base System Value
2 Binary 1001100110100100110110100
3 Ternary 1101220010201102
4 Quaternary 1030310212310
5 Quinary 20123412140
6 Senary 1555345232
8 Octal 114644664
10 Decimal 20138420
12 Duodecimal 68b2218
16 Hexadecimal 13349b4
20 Vigesimal 65h610
36 Base36 bzmwk

Cryptographic Hash Functions

md5 85622e10e77ec1fdca9524f712dd1b98
sha1 3388108cc0b398588a74f8a0f010663de438ffc7
sha256 b12307a100d954cfdf4498dbca2138aa3823a670c6e1d67a9f462b822edc01c5
sha512 ca953b0f2fe473108b896e23374157a942971345f73925c06c75a3f446df4b2fded159ab98058b698a5aa4430c4da1d2f2d08cb7bbef84706119c3c69b3ab9c2
ripemd-160 bbc32ee4a6087ba7488527e4a8aa1336e9d8871f

20138420 as geometric shapes

Circle

Radius = n
Diameter 40276840
Circumference 126533424.65381
Area 1.2740916248584E+15

Sphere

Radius = n
Volume 3.4210923013175E+22
Surface area 5.0963664994336E+15
Circumference 126533424.65381

Square

Length = n
Perimeter 80553680
Area 405555960096400
Diagonal 28480026.688766

Cube

Length = n
Surface area 2433335760578400
Volume 8.1672562579245E+21
Space diagonal 34880766.624161

Equilateral Triangle

Length = n
Perimeter 60415260
Area 1.7561088204984E+14
Altitude 17440383.312081

Triangular Pyramid

Length = n
Surface area 1.7561088204984E+14
Volume 9.6252038061112E+20
Height 9493342.2295885