20971387 (number)

20971387 is an odd 8-digits composite number following 20971386 and preceding 20971388. In scientific notation, it is written as 2.0971387 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19737760 positive integers (up to 20971387) that are relatively prime to 20971387.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-one thousand three hundred eighty-seven

Notation

Scientific notation 2.0971387 × 10^7
Engineering notation 2.0971387 × 10^6

Prime Factorization of 20971387

Prime Factorization 17 × 1233611

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20971387
Product of the distinct prime numbers

The prime factorization of 20971387 is 17 × 1233611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20971387)

Multiplication

n×y
n×2 41942774
n×3 62914161
n×4 83885548
n×5 104856935

Division

n÷y
n÷2 10485693.5
n÷3 6990462.3333333
n÷3 5242846.75
n÷5 4194277.4

Exponentiation

ny
n2 439799072703769
n3 9.2231965559119E+21
n4 1.934232243511E+29
n5 4.0563532926546E+36

Nth Root

y√n
2√n 4579.4526965567
3√n 275.76705735611
4√n 67.671653567477
5√n 29.128990301449

Divisors of 20971387

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 -20971386
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 20971387 can be divided by 4 positive divisors. The sum of these divisors (counting 20971387) is 1, the average is 0.25.

Base conversion 20971387

Base System Value
2 Binary 1001111111111111101111011
3 Ternary 1110110110100001
4 Quaternary 1033333331323
5 Quinary 20332041022
6 Senary 2025253431
8 Octal 117777573
10 Decimal 20971387
12 Duodecimal 7034277
16 Hexadecimal 13fff7b
20 Vigesimal 6b1897
36 Base36 chhmj

Cryptographic Hash Functions

md5 628e7be8a8c66d8c9b075995eca45b77
sha1 812913fe1d225137842d01b964e290020b20539e
sha256 8e59fbe6270c75c4f1a473ae5027273ce7899b7793a1bec184bb0652cdd74a7c
sha512 2710976c3a90dd6883789f5a45daaa8f27dc0224fbef57b631d15835262c5c1f3f2fe93f01647009b8d8e245c430b5d08a898517c03cd0270055ed303eda6091
ripemd-160 23c426e7bbf60a9596ff6ebb490c89581d1c70f3

20971387 as geometric shapes

Circle

Radius = n
Diameter 41942774
Circumference 131767110.66958
Area 1.3816695358618E+15

Sphere

Radius = n
Volume 3.8634035390223E+22
Surface area 5.5266781434471E+15
Circumference 131767110.66958

Square

Length = n
Perimeter 83885548
Area 439799072703769
Diagonal 29658019.917175

Cube

Length = n
Surface area 2638794436222614
Volume 9.2231965559119E+21
Space diagonal 36323507.789189

Equilateral Triangle

Length = n
Perimeter 62914161
Area 1.9043858476115E+14
Altitude 18161753.894595

Triangular Pyramid

Length = n
Surface area 1.9043858476115E+14
Volume 1.0869641381503E+21
Height 9886006.6390583