20155691 (number)

20155691 is an odd 8-digits composite number following 20155690 and preceding 20155692. In scientific notation, it is written as 2.0155691 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19686912 positive integers (up to 20155691) that are relatively prime to 20155691.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand six hundred ninety-one

Notation

Scientific notation 2.0155691 × 10^7
Engineering notation 2.0155691 × 10^6

Prime Factorization of 20155691

Prime Factorization 43 × 468737

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20155691
Product of the distinct prime numbers

The prime factorization of 20155691 is 43 × 468737. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155691)

Multiplication

n×y
n×2 40311382
n×3 60467073
n×4 80622764
n×5 100778455

Division

n÷y
n÷2 10077845.5
n÷3 6718563.6666667
n÷3 5038922.75
n÷5 4031138.2

Exponentiation

ny
n2 406251879687481
n3 8.18828735515E+21
n4 1.6504058974961E+29
n5 3.3265071294509E+36

Nth Root

y√n
2√n 4489.5089931974
3√n 272.14429249392
4√n 67.003798349029
5√n 28.898781963789

Divisors of 20155691

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155690
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155691 can be divided by 4 positive divisors. The sum of these divisors (counting 20155691) is 1, the average is 0.25.

Base conversion 20155691

Base System Value
2 Binary 1001100111000110100101011
3 Ternary 1101221000102002
4 Quaternary 1030320310223
5 Quinary 20124440231
6 Senary 2000001215
8 Octal 114706453
10 Decimal 20155691
12 Duodecimal 690020b
16 Hexadecimal 1338d2b
20 Vigesimal 65j94b
36 Base36 c008b

Cryptographic Hash Functions

md5 9de5eba3db5559a1ed29c6055fddf03e
sha1 58aa267852be9067d3e074d44f1d6921ce493ec8
sha256 ab6d6e385cd028f5c80bd25111c1ae691660fdf8909327b9246fb12961a170aa
sha512 86762c4e5f61d55a85e63e8310f3c2c1b4bc5a6dd281a557e9b560b8f92ae9aa10ef62784fb9cafbac44ecbde69ff512eaead071a3524bb940a3d65f11bb00dd
ripemd-160 b93109738e94fdadb2cf51b7badee18ca63bae62

20155691 as geometric shapes

Circle

Radius = n
Diameter 40311382
Circumference 126641941.54725
Area 1.2762779207332E+15

Sphere

Radius = n
Volume 3.4299017867229E+22
Surface area 5.1051116829329E+15
Circumference 126641941.54725

Square

Length = n
Perimeter 80622764
Area 406251879687481
Diagonal 28504451.571201

Cube

Length = n
Surface area 2437511278124886
Volume 8.18828735515E+21
Space diagonal 34910680.873659

Equilateral Triangle

Length = n
Perimeter 60467073
Area 1.7591222407227E+14
Altitude 17455340.436829

Triangular Pyramid

Length = n
Surface area 1.7591222407227E+14
Volume 9.6499891918844E+20
Height 9501483.8570671