20681838 (number)

20681838 is an even 8-digits composite number following 20681837 and preceding 20681839. In scientific notation, it is written as 2.0681838 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 6870528 positive integers (up to 20681838) that are relatively prime to 20681838.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand eight hundred thirty-eight

Notation

Scientific notation 2.0681838 × 10^7
Engineering notation 2.0681838 × 10^6

Prime Factorization of 20681838

Prime Factorization 2 × 9 × 3 × 449 × 853

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20681838
Product of the distinct prime numbers

The prime factorization of 20681838 is 2 × 9 × 3 × 449 × 853. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 51, 85, 677, 391, 4299, 4064, 37266, 3871, 923009, 997502, 8708313, 2877246, 76747955, 99911167, 950792376, 739549624, 992842526, 4571674380

Basic calculations (n = 20681838)

Multiplication

n×y
n×2 41363676
n×3 62045514
n×4 82727352
n×5 103409190

Division

n÷y
n÷2 10340919
n÷3 6893946
n÷3 5170459.5
n÷5 4136367.6

Exponentiation

ny
n2 427738423058244
n3 8.8464167720661E+21
n4 1.8296015856035E+29
n5 3.7839523597995E+36

Nth Root

y√n
2√n 4547.7288837397
3√n 274.4920120701
4√n 67.436851081139
5√n 29.048106381163

Divisors of 20681838

1, 2, 3, 6, 9, 18, 27, 54, 449, 853, 898, 1347, 1706, 2559, 2694, 4041, 5118, 7677, 8082, 12123, 15354, 23031, 24246, 46062, 382997, 765994, 1148991, 2297982, 3446973, 6893946, 10340919, 20681838

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681838 can be divided by 32 positive divisors. The sum of these divisors (counting 20681838) is 1, the average is 0.03125.

Base conversion 20681838

Base System Value
2 Binary 1001110111001010001101110
3 Ternary 1102220202011000
4 Quaternary 1032321101232
5 Quinary 20243304323
6 Senary 2015141130
8 Octal 116712156
10 Decimal 20681838
12 Duodecimal 6b147a6
16 Hexadecimal 13b946e
20 Vigesimal 6954bi
36 Base36 cba7i

Cryptographic Hash Functions

md5 83ce78d11842f5315a72a1b4a6c6a2d3
sha1 d878d7d8762d38d0b4acd5ec2f633e9ab1fa4f0a
sha256 0e6e6deeb8a50a1f6c60a234f9fe1d081b5a1bba79f587a5f141eec58cb2496c
sha512 d32af3cb0755926bdd803ab9e14d310ff70197b40ece75fe4d4ff879b6f581accd619937b2bdd9f48d764aaf3395293dd2df5eb252849a5cad7b2b5920d6d09a
ripemd-160 f431289f60ed73c8c478212e9e58ad340f7573c3

20681838 as geometric shapes

Circle

Radius = n
Diameter 41363676
Circumference 129947820.64707
Area 1.3437798875379E+15

Sphere

Radius = n
Volume 3.7055783922288E+22
Surface area 5.3751195501514E+15
Circumference 129947820.64707

Square

Length = n
Perimeter 82727352
Area 427738423058244
Diagonal 29248535.794403

Cube

Length = n
Surface area 2566430538349464
Volume 8.8464167720661E+21
Space diagonal 35821994.209909

Equilateral Triangle

Length = n
Perimeter 62045514
Area 1.8521617027157E+14
Altitude 17910997.104954

Triangular Pyramid

Length = n
Surface area 1.8521617027157E+14
Volume 1.0425602147884E+21
Height 9749511.9314678