20138455 (number)

20138455 is an odd 8-digits composite number following 20138454 and preceding 20138456. In scientific notation, it is written as 2.0138455 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 14502400 positive integers (up to 20138455) that are relatively prime to 20138455.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138455 × 10^7
Engineering notation 2.0138455 × 10^6

Prime Factorization of 20138455

Prime Factorization 17 × 5 × 23 × 10301

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138455
Product of the distinct prime numbers

The prime factorization of 20138455 is 17 × 5 × 23 × 10301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138455)

Multiplication

n×y
n×2 40276910
n×3 60415365
n×4 80553820
n×5 100692275

Division

n÷y
n÷2 10069227.5
n÷3 6712818.3333333
n÷3 5034613.75
n÷5 4027691

Exponentiation

ny
n2 405557369787025
n3 8.1672988413744E+21
n4 1.6447678018857E+29
n5 3.3123082363724E+36

Nth Root

y√n
2√n 4487.588996332
3√n 272.06669626683
4√n 66.9894692943
5√n 28.893837753521

Divisors of 20138455

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 -20138454
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 20138455 can be divided by 16 positive divisors. The sum of these divisors (counting 20138455) is 1, the average is 0.0625.

Base conversion 20138455

Base System Value
2 Binary 1001100110100100111010111
3 Ternary 1101220010202201
4 Quaternary 1030310213113
5 Quinary 20123412310
6 Senary 1555345331
8 Octal 114644727
10 Decimal 20138455
12 Duodecimal 68b2247
16 Hexadecimal 13349d7
20 Vigesimal 65h62f
36 Base36 bzmxj

Cryptographic Hash Functions

md5 ea401ad4c6c42ece5a4af8f60c15a788
sha1 0a781b2f1ee89ae5a0b524383ad38df228ea929e
sha256 5446cfafb02c196ac6003b3f5a37e9897cb29c032a85e851fe144907c6b9d71e
sha512 d70940b9bf0e9858b8a70027a587a626fa574cde12df03de884f8f3ccb1861ddd2ca2af1a9737a23b379c1a54e7bab1f7204d3d3feaadcea9ab29a4fc1099ce7
ripemd-160 0cf941c8037d736b51abcba50f2a26afb0d26664

20138455 as geometric shapes

Circle

Radius = n
Diameter 40276910
Circumference 126533644.5653
Area 1.2740960535321E+15

Sphere

Radius = n
Volume 3.4211101386312E+22
Surface area 5.0963842141285E+15
Circumference 126533644.5653

Square

Length = n
Perimeter 80553820
Area 405557369787025
Diagonal 28480076.18624

Cube

Length = n
Surface area 2433344218722150
Volume 8.1672988413744E+21
Space diagonal 34880827.245939

Equilateral Triangle

Length = n
Perimeter 60415365
Area 1.7561149246378E+14
Altitude 17440413.62297

Triangular Pyramid

Length = n
Surface area 1.7561149246378E+14
Volume 9.6252539911881E+20
Height 9493358.7287468