20687958 (number)

20687958 is an even 8-digits composite number following 20687957 and preceding 20687959. In scientific notation, it is written as 2.0687958 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 6709392 positive integers (up to 20687958) that are relatively prime to 20687958.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand nine hundred fifty-eight

Notation

Scientific notation 2.0687958 × 10^7
Engineering notation 2.0687958 × 10^6

Prime Factorization of 20687958

Prime Factorization 2 × 9 × 37 × 31063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20687958
Product of the distinct prime numbers

The prime factorization of 20687958 is 2 × 9 × 37 × 31063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687958)

Multiplication

n×y
n×2 41375916
n×3 62063874
n×4 82751832
n×5 103439790

Division

n÷y
n÷2 10343979
n÷3 6895986
n÷3 5171989.5
n÷5 4137591.6

Exponentiation

ny
n2 427991606209764
n3 8.8542723736201E+21
n4 1.8317681498601E+29
n5 3.7895542550044E+36

Nth Root

y√n
2√n 4548.4016972998
3√n 274.51908454211
4√n 67.441839367709
5√n 29.049825313229

Divisors of 20687958

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 -20687957
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 20687958 can be divided by 16 positive divisors. The sum of these divisors (counting 20687958) is 1, the average is 0.0625.

Base conversion 20687958

Base System Value
2 Binary 1001110111010110001010110
3 Ternary 1102221001112200
4 Quaternary 1032322301112
5 Quinary 20244003313
6 Senary 2015225330
8 Octal 116726126
10 Decimal 20687958
12 Duodecimal 6b18246
16 Hexadecimal 13bac56
20 Vigesimal 695jhi
36 Base36 cbexi

Cryptographic Hash Functions

md5 97ddb26222755da90dc96411ee0a3e25
sha1 0838279d59dd1907781e6f57a678bfd09fa792a9
sha256 809f3709b157c32f67c2b8e8bd39f2491e6f488384188322f3c325528a2a32f7
sha512 351cf7e4450b9bc3e67c5e51a08709f7f88c7fb6f005034723d7c0c8bc189c1a8dd2539366823bbbdccaaf8818e14cd9d4107805a0accab864ae1804ae882cde
ripemd-160 cdb7dd15502417642a99132388bed4ef39e12111

20687958 as geometric shapes

Circle

Radius = n
Diameter 41375916
Circumference 129986273.74115
Area 1.3445752858667E+15

Sphere

Radius = n
Volume 3.7088689389131E+22
Surface area 5.3783011434668E+15
Circumference 129986273.74115

Square

Length = n
Perimeter 82751832
Area 427991606209764
Diagonal 29257190.781405

Cube

Length = n
Surface area 2567949637258584
Volume 8.8542723736201E+21
Space diagonal 35832594.360851

Equilateral Triangle

Length = n
Perimeter 62063874
Area 1.8532580179208E+14
Altitude 17916297.180426

Triangular Pyramid

Length = n
Surface area 1.8532580179208E+14
Volume 1.0434860063099E+21
Height 9752396.927135