20188457 (number)

20188457 is an odd 8-digits composite number following 20188456 and preceding 20188458. In scientific notation, it is written as 2.0188457 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 18598272 positive integers (up to 20188457) that are relatively prime to 20188457.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-eight thousand four hundred fifty-seven

Notation

Scientific notation 2.0188457 × 10^7
Engineering notation 2.0188457 × 10^6

Prime Factorization of 20188457

Prime Factorization 23 × 43 × 137 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20188457
Product of the distinct prime numbers

The prime factorization of 20188457 is 23 × 43 × 137 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20188457)

Multiplication

n×y
n×2 40376914
n×3 60565371
n×4 80753828
n×5 100942285

Division

n÷y
n÷2 10094228.5
n÷3 6729485.6666667
n÷3 5047114.25
n÷5 4037691.4

Exponentiation

ny
n2 407573796040849
n3 8.2282860556975E+21
n4 1.6611639921915E+29
n5 3.3536337826306E+36

Nth Root

y√n
2√n 4493.1566854496
3√n 272.29168266518
4√n 67.031012863074
5√n 28.908171692595

Divisors of 20188457

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 -20188456
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 20188457 can be divided by 16 positive divisors. The sum of these divisors (counting 20188457) is 1, the average is 0.0625.

Base conversion 20188457

Base System Value
2 Binary 1001101000000110100101001
3 Ternary 1101222200100122
4 Quaternary 1031000310221
5 Quinary 20132012312
6 Senary 2000413025
8 Octal 115006451
10 Decimal 20188457
12 Duodecimal 6917175
16 Hexadecimal 1340d29
20 Vigesimal 663b2h
36 Base36 c0pih

Cryptographic Hash Functions

md5 5c59e513fe6388ed02a240fb4b747667
sha1 d7b82e924323f25fde0e83d5cf1a4dbcb956d07f
sha256 2b7d2c57a1cd29864bd55c3d74ac33f9c5a4e5a209a3dca7d98677da3601bc9e
sha512 c7b1f28028af478baf723be0df2963082a94454aaf2fc958aac6f8da2559ea219401eb0a2983583fb68cdf2e20f88c9fc35e7989e724e2051cfc43ef1a894ace
ripemd-160 089379ba4959831ce8566bde0e8467a51af1151c

20188457 as geometric shapes

Circle

Radius = n
Diameter 40376914
Circumference 126847816.39703
Area 1.2804308434376E+15

Sphere

Radius = n
Volume 3.4466564032286E+22
Surface area 5.1217233737505E+15
Circumference 126847816.39703

Square

Length = n
Perimeter 80753828
Area 407573796040849
Diagonal 28550789.692786

Cube

Length = n
Surface area 2445442776245094
Volume 8.2282860556975E+21
Space diagonal 34967433.25042

Equilateral Triangle

Length = n
Perimeter 60565371
Area 1.7648463064412E+14
Altitude 17483716.62521

Triangular Pyramid

Length = n
Surface area 1.7648463064412E+14
Volume 9.697128112544E+20
Height 9516929.8975953