20971491 (number)

20971491 is an odd 8-digits composite number following 20971490 and preceding 20971492. In scientific notation, it is written as 2.0971491 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13605408 positive integers (up to 20971491) that are relatively prime to 20971491.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-one thousand four hundred ninety-one

Notation

Scientific notation 2.0971491 × 10^7
Engineering notation 2.0971491 × 10^6

Prime Factorization of 20971491

Prime Factorization 3 × 109 × 59 × 1087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20971491
Product of the distinct prime numbers

The prime factorization of 20971491 is 3 × 109 × 59 × 1087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20971491)

Multiplication

n×y
n×2 41942982
n×3 62914473
n×4 83885964
n×5 104857455

Division

n÷y
n÷2 10485745.5
n÷3 6990497
n÷3 5242872.75
n÷5 4194298.2

Exponentiation

ny
n2 439803434763081
n3 9.223333773903E+21
n4 1.934270612294E+29
n5 4.0564538737289E+36

Nth Root

y√n
2√n 4579.4640516113
3√n 275.76751321097
4√n 67.671737465587
5√n 29.129019192327

Divisors of 20971491

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 -20971490
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 20971491 can be divided by 16 positive divisors. The sum of these divisors (counting 20971491) is 1, the average is 0.0625.

Base conversion 20971491

Base System Value
2 Binary 1001111111111111111100011
3 Ternary 1110110110110220
4 Quaternary 1033333333203
5 Quinary 20332041431
6 Senary 2025254123
8 Octal 117777743
10 Decimal 20971491
12 Duodecimal 7034343
16 Hexadecimal 13fffe3
20 Vigesimal 6b18eb
36 Base36 chhpf

Cryptographic Hash Functions

md5 5d9324a8560337bf868c8a403ebb6849
sha1 82a5d9afb50f6f29792523c526eb518f6cd19fb0
sha256 dac4cd2563369455c9c583028cd8703e7a8b49852dbb5f8a635ec3e71fe9e5d1
sha512 7022472652b5048c4b7d7f14417b6b2125d380e87601bb6c5cfcfc2a6aaa1f8c3b0c920895cc381d78a03329ab12d593c4f959f959acc0900c6650457ecfc068
ripemd-160 bf3db3a8a9535b67f6175f4502290a40329b2400

20971491 as geometric shapes

Circle

Radius = n
Diameter 41942982
Circumference 131767764.12085
Area 1.3816832396753E+15

Sphere

Radius = n
Volume 3.8634610167601E+22
Surface area 5.526732958701E+15
Circumference 131767764.12085

Square

Length = n
Perimeter 83885964
Area 439803434763081
Diagonal 29658166.995385

Cube

Length = n
Surface area 2638820608578486
Volume 9.223333773903E+21
Space diagonal 36323687.922473

Equilateral Triangle

Length = n
Perimeter 62914473
Area 1.9044047358824E+14
Altitude 18161843.961237

Triangular Pyramid

Length = n
Surface area 1.9044047358824E+14
Volume 1.0869803094456E+21
Height 9886055.6651284