20681749 (number)

20681749 is an odd 8-digits composite number following 20681748 and preceding 20681750. In scientific notation, it is written as 2.0681749 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 18801580 positive integers (up to 20681749) that are relatively prime to 20681749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681749 × 10^7
Engineering notation 2.0681749 × 10^6

Prime Factorization of 20681749

Prime Factorization 11 × 1880159

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20681749
Product of the distinct prime numbers

The prime factorization of 20681749 is 11 × 1880159. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681749)

Multiplication

n×y
n×2 41363498
n×3 62045247
n×4 82726996
n×5 103408745

Division

n÷y
n÷2 10340874.5
n÷3 6893916.3333333
n÷3 5170437.25
n÷5 4136349.8

Exponentiation

ny
n2 427734741699001
n3 8.8463025663986E+21
n4 1.8295700925631E+29
n5 3.7838709432297E+36

Nth Root

y√n
2√n 4547.7190986252
3√n 274.49161832972
4√n 67.436778530896
5√n 29.04808138062

Divisors of 20681749

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 -20681748
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 20681749 can be divided by 4 positive divisors. The sum of these divisors (counting 20681749) is 1, the average is 0.25.

Base conversion 20681749

Base System Value
2 Binary 1001110111001010000010101
3 Ternary 1102220202000201
4 Quaternary 1032321100111
5 Quinary 20243303444
6 Senary 2015140501
8 Octal 116712025
10 Decimal 20681749
12 Duodecimal 6b14731
16 Hexadecimal 13b9415
20 Vigesimal 695479
36 Base36 cba51

Cryptographic Hash Functions

md5 e89af2a617f92c8af59808a086a12c15
sha1 081ea164ad2863fa15037bf1f1a85abe0be100c5
sha256 f2ddc73d4384bc3b92eef511b5e832f16b292b173d14f81697f3859c37b35af8
sha512 a017be53047729c42467e3752c14b4d685106c70b2728e31ab45b20c629ce2deede33fe33d3185d8deedc7ccb9a691a4611447a03f3fef4c1bc7760dafbc35e1
ripemd-160 c1f56862ef0a86d914e9d84d5bb98d8d0b31d3f1

20681749 as geometric shapes

Circle

Radius = n
Diameter 41363498
Circumference 129947261.44358
Area 1.3437683222067E+15

Sphere

Radius = n
Volume 3.7055305538707E+22
Surface area 5.3750732888268E+15
Circumference 129947261.44358

Square

Length = n
Perimeter 82726996
Area 427734741699001
Diagonal 29248409.929396

Cube

Length = n
Surface area 2566408450194006
Volume 8.8463025663986E+21
Space diagonal 35821840.057387

Equilateral Triangle

Length = n
Perimeter 62045247
Area 1.8521457619625E+14
Altitude 17910920.028693

Triangular Pyramid

Length = n
Surface area 1.8521457619625E+14
Volume 1.0425467555214E+21
Height 9749469.9764654