20149491 (number)

20149491 is an odd 8-digits composite number following 20149490 and preceding 20149492. In scientific notation, it is written as 2.0149491 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12974400 positive integers (up to 20149491) that are relatively prime to 20149491.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand four hundred ninety-one

Notation

Scientific notation 2.0149491 × 10^7
Engineering notation 2.0149491 × 10^6

Prime Factorization of 20149491

Prime Factorization 3 × 41 × 107 × 1531

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20149491
Product of the distinct prime numbers

The prime factorization of 20149491 is 3 × 41 × 107 × 1531. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 20, 55, 321, 908, 6509, 6647, 41600, 70418, 158922, 427564, 6874281, 1836727, 20872782, 21735213, 995152132, 70778941, 2640793750, 7840898986

Basic calculations (n = 20149491)

Multiplication

n×y
n×2 40298982
n×3 60448473
n×4 80597964
n×5 100747455

Division

n÷y
n÷2 10074745.5
n÷3 6716497
n÷3 5037372.75
n÷5 4029898.2

Exponentiation

ny
n2 406001987559081
n3 8.1807333943038E+21
n4 1.6483761390192E+29
n5 3.3213940177783E+36

Nth Root

y√n
2√n 4488.8184414164
3√n 272.11638527821
4√n 66.998645071497
5√n 28.897003860542

Divisors of 20149491

1, 3, 41, 107, 123, 321, 1531, 4387, 4593, 13161, 62771, 163817, 188313, 491451, 6716497, 20149491

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 -20149490
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 20149491 can be divided by 16 positive divisors. The sum of these divisors (counting 20149491) is 1, the average is 0.0625.

Base conversion 20149491

Base System Value
2 Binary 1001100110111010011110011
3 Ternary 1101220200220110
4 Quaternary 1030313103303
5 Quinary 20124240431
6 Senary 1555512403
8 Octal 114672363
10 Decimal 20149491
12 Duodecimal 68b8703
16 Hexadecimal 13374f3
20 Vigesimal 65ideb
36 Base36 bzvg3

Cryptographic Hash Functions

md5 b76d61527ed2a9348e73592a0ad28242
sha1 208a00f29f89e4c88b1c9994ce26935d877e0355
sha256 7658da6dcfc5e8a000019a61189f338e03b3c03457231b85eb852dd078e75ca4
sha512 295f4b007d06b5bf0ade389cb05042b1a8a73b32a452d07003df7547ded284211b6e387083fac07823762df75eabbc79eae6e4f2fc4064904afa3847f4186b95
ripemd-160 721f5ef50467e1b39e6e27bf5e68deb13ddadac1

20149491 as geometric shapes

Circle

Radius = n
Diameter 40298982
Circumference 126602985.79835
Area 1.2754928614585E+15

Sphere

Radius = n
Volume 3.4267375910029E+22
Surface area 5.1019714458339E+15
Circumference 126602985.79835

Square

Length = n
Perimeter 80597964
Area 406001987559081
Diagonal 28495683.447115

Cube

Length = n
Surface area 2436011925354486
Volume 8.1807333943038E+21
Space diagonal 34899942.158652

Equilateral Triangle

Length = n
Perimeter 60448473
Area 1.7580401760657E+14
Altitude 17449971.079326

Triangular Pyramid

Length = n
Surface area 1.7580401760657E+14
Volume 9.6410867636525E+20
Height 9498561.1490382