20156749 (number)

20156749 is an odd 8-digits composite number following 20156748 and preceding 20156750. In scientific notation, it is written as 2.0156749 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 18798912 positive integers (up to 20156749) that are relatively prime to 20156749.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-six thousand seven hundred forty-nine

Notation

Scientific notation 2.0156749 × 10^7
Engineering notation 2.0156749 × 10^6

Prime Factorization of 20156749

Prime Factorization 1739 × 67 × 173

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20156749
Product of the distinct prime numbers

The prime factorization of 20156749 is 1739 × 67 × 173. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20156749)

Multiplication

n×y
n×2 40313498
n×3 60470247
n×4 80626996
n×5 100783745

Division

n÷y
n÷2 10078374.5
n÷3 6718916.3333333
n÷3 5039187.25
n÷5 4031349.8

Exponentiation

ny
n2 406294530249001
n3 8.189576866302E+21
n4 1.6507524531026E+29
n5 3.3273802858323E+36

Nth Root

y√n
2√n 4489.6268219085
3√n 272.14905415361
4√n 67.004677612152
5√n 28.899085344798

Divisors of 20156749

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20156748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20156749 can be divided by 8 positive divisors. The sum of these divisors (counting 20156749) is 1, the average is 0.125.

Base conversion 20156749

Base System Value
2 Binary 1001100111001000101001101
3 Ternary 1101221001212021
4 Quaternary 1030321011031
5 Quinary 20130003444
6 Senary 2000010141
8 Octal 114710515
10 Decimal 20156749
12 Duodecimal 6900951
16 Hexadecimal 133914d
20 Vigesimal 65jbh9
36 Base36 c011p

Cryptographic Hash Functions

md5 a92667172bdd2d5b1d5c784cbc572a6f
sha1 84f33bdf58444a6c88e17ec907156ffc50fd6332
sha256 e0d862e83c4915df297a2abe66719ba1d49682e68f98a4565b04e201fb34653b
sha512 80a8c31f6ae1426bcf2bc6db40efa40691cde110548b6e167e983aca3996417a3f8e248180940e7cff0febff97e4d293e7c13e123de7a8b6f26e2dfbc0bbce0b
ripemd-160 bedc92aa71f582140740ddf70307ccb94bc6ac96

20156749 as geometric shapes

Circle

Radius = n
Diameter 40313498
Circumference 126648589.15731
Area 1.276411911424E+15

Sphere

Radius = n
Volume 3.4304419358911E+22
Surface area 5.1056476456959E+15
Circumference 126648589.15731

Square

Length = n
Perimeter 80626996
Area 406294530249001
Diagonal 28505947.80915

Cube

Length = n
Surface area 2437767181494006
Volume 8.189576866302E+21
Space diagonal 34912513.383413

Equilateral Triangle

Length = n
Perimeter 60470247
Area 1.7593069230715E+14
Altitude 17456256.691707

Triangular Pyramid

Length = n
Surface area 1.7593069230715E+14
Volume 9.6515088953511E+20
Height 9501982.6030501