20687798 (number)

20687798 is an even 8-digits composite number following 20687797 and preceding 20687799. In scientific notation, it is written as 2.0687798 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 10316920 positive integers (up to 20687798) that are relatively prime to 20687798.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand seven hundred ninety-eight

Notation

Scientific notation 2.0687798 × 10^7
Engineering notation 2.0687798 × 10^6

Prime Factorization of 20687798

Prime Factorization 2 × 389 × 26591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20687798
Product of the distinct prime numbers

The prime factorization of 20687798 is 2 × 389 × 26591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687798)

Multiplication

n×y
n×2 41375596
n×3 62063394
n×4 82751192
n×5 103438990

Division

n÷y
n÷2 10343899
n÷3 6895932.6666667
n÷3 5171949.5
n÷5 4137559.6

Exponentiation

ny
n2 427984986088804
n3 8.854066939238E+21
n4 1.8317114831743E+29
n5 3.7894077158191E+36

Nth Root

y√n
2√n 4548.3841086698
3√n 274.51837683304
4√n 67.441708969078
5√n 29.049780379007

Divisors of 20687798

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 -20687797
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 20687798 can be divided by 8 positive divisors. The sum of these divisors (counting 20687798) is 1, the average is 0.125.

Base conversion 20687798

Base System Value
2 Binary 1001110111010101110110110
3 Ternary 1102221001022202
4 Quaternary 1032322232312
5 Quinary 20244002143
6 Senary 2015224502
8 Octal 116725666
10 Decimal 20687798
12 Duodecimal 6b18132
16 Hexadecimal 13babb6
20 Vigesimal 695j9i
36 Base36 cbet2

Cryptographic Hash Functions

md5 dec9470c47c7550dde1cffe80f6828da
sha1 555b6a05df990cf910bc71fa1d7053de34f7cfc4
sha256 c636d71087c753f1123518dc4fcc92c594460423c5d984a2d4b2380f842a8ee9
sha512 44a3810e4303df2287ed3d30f00821994af418121eace89a09df2e1a5e515cd5f3bd71dd9aab7cebead46ac3f682a4220b79de4b8a5eca40ff3147489229d106
ripemd-160 9083afefbbb063f5925c99f8809cdbb555d6f84b

20687798 as geometric shapes

Circle

Radius = n
Diameter 41375596
Circumference 129985268.4315
Area 1.3445544881433E+15

Sphere

Radius = n
Volume 3.7087828867603E+22
Surface area 5.3782179525733E+15
Circumference 129985268.4315

Square

Length = n
Perimeter 82751192
Area 427984986088804
Diagonal 29256964.507235

Cube

Length = n
Surface area 2567909916532824
Volume 8.854066939238E+21
Space diagonal 35832317.232722

Equilateral Triangle

Length = n
Perimeter 62063394
Area 1.8532293519562E+14
Altitude 17916158.616361

Triangular Pyramid

Length = n
Surface area 1.8532293519562E+14
Volume 1.0434617956358E+21
Height 9752321.5024117