20686947 (number)

20686947 is an odd 8-digits composite number following 20686946 and preceding 20686948. In scientific notation, it is written as 2.0686947 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13315680 positive integers (up to 20686947) that are relatively prime to 20686947.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0686947 × 10^7
Engineering notation 2.0686947 × 10^6

Prime Factorization of 20686947

Prime Factorization 3 × 29 × 237781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20686947
Product of the distinct prime numbers

The prime factorization of 20686947 is 3 × 29 × 237781. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686947)

Multiplication

n×y
n×2 41373894
n×3 62060841
n×4 82747788
n×5 103434735

Division

n÷y
n÷2 10343473.5
n÷3 6895649
n÷3 5171736.75
n÷5 4137389.4

Exponentiation

ny
n2 427949776180809
n3 8.8529743385143E+21
n4 1.831410109332E+29
n5 3.7886283867016E+36

Nth Root

y√n
2√n 4548.2905580009
3√n 274.51461264409
4√n 67.44101539865
5√n 29.049541380445

Divisors of 20686947

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 -20686946
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 20686947 can be divided by 8 positive divisors. The sum of these divisors (counting 20686947) is 1, the average is 0.125.

Base conversion 20686947

Base System Value
2 Binary 1001110111010100001100011
3 Ternary 1102221000011020
4 Quaternary 1032322201203
5 Quinary 20243440242
6 Senary 2015220523
8 Octal 116724143
10 Decimal 20686947
12 Duodecimal 6b17743
16 Hexadecimal 13ba863
20 Vigesimal 695h77
36 Base36 cbe5f

Cryptographic Hash Functions

md5 79e4ba92ac58e7dbfe6c57c152f76099
sha1 688f0bb302aff2d7bd070df19fad5b968736fff2
sha256 eca2a611770b24c53c21b9e5428af181e823589ad6f05a94d90006a970c7b9e1
sha512 da25f76e11b4be1130380f00c7cf83518d9aa4cafe35ccf55dccbd0e06aab80f7a269aeb4525eec561cecd6a8f46160ba5d9c29373566b8d01460fbc72d4c293
ripemd-160 86d001caecd1199ceb7e02dc9edd606ec99b8ab8

20686947 as geometric shapes

Circle

Radius = n
Diameter 41373894
Circumference 129979921.4408
Area 1.344443872955E+15

Sphere

Radius = n
Volume 3.7083252192394E+22
Surface area 5.3777754918201E+15
Circumference 129979921.4408

Square

Length = n
Perimeter 82747788
Area 427949776180809
Diagonal 29255761.011493

Cube

Length = n
Surface area 2567698657084854
Volume 8.8529743385143E+21
Space diagonal 35830843.257485

Equilateral Triangle

Length = n
Perimeter 62060841
Area 1.8530768885822E+14
Altitude 17915421.628742

Triangular Pyramid

Length = n
Surface area 1.8530768885822E+14
Volume 1.0433330314057E+21
Height 9751920.3371645