20797281 (number)

20797281 is an odd 8-digits composite number following 20797280 and preceding 20797282. In scientific notation, it is written as 2.0797281 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 13821696 positive integers (up to 20797281) that are relatively prime to 20797281.

Interesting facts

Basic properties

Name

Name twenty million seven hundred ninety-seven thousand two hundred eighty-one

Notation

Scientific notation 2.0797281 × 10^7
Engineering notation 2.0797281 × 10^6

Prime Factorization of 20797281

Prime Factorization 3 × 3 × 337 × 6857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6932427
Product of the distinct prime numbers

The prime factorization of 20797281 is 3 × 3 × 337 × 6857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 6, 59, 852, 437, 5290, 932, 69360, 24084, 52568, 539920, 5422796, 5859057, 31595605, 33963979, 171941189, 506712632, 3180027583, 2430760565

Basic calculations (n = 20797281)

Multiplication

n×y
n×2 41594562
n×3 62391843
n×4 83189124
n×5 103986405

Division

n÷y
n÷2 10398640.5
n÷3 6932427
n÷3 5199320.25
n÷5 4159456.2

Exponentiation

ny
n2 432526896992961
n3 8.9953834168207E+21
n4 1.8707951662236E+29
n5 3.8907452765394E+36

Nth Root

y√n
2√n 4560.4036005599
3√n 275.00178952004
4√n 67.530760402649
5√n 29.080462676056

Divisors of 20797281

1, 3, 9, 337, 1011, 3033, 6857, 20571, 61713, 2310809, 6932427, 20797281

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20797280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20797281 can be divided by 12 positive divisors. The sum of these divisors (counting 20797281) is 1, the average is 0.083333333333333.

Base conversion 20797281

Base System Value
2 Binary 1001111010101011101100001
3 Ternary 1110010121111200
4 Quaternary 1033111131201
5 Quinary 20311003111
6 Senary 2021431413
8 Octal 117253541
10 Decimal 20797281
12 Duodecimal 6b6b569
16 Hexadecimal 13d5761
20 Vigesimal 69jd41
36 Base36 cdra9

Cryptographic Hash Functions

md5 506537d8e4b3e469a995b8f13a0351ed
sha1 e29643c294f9d5e5605fbc7dd836589d2c7df8a9
sha256 a833e954e0edfb442423d88bbb3722140a4e855e45f41b47fc3881d8d16e755c
sha512 08fff0f62060e45a272ceeea6a28b1b76b017a2e043ff61d8bde8498e8ffaba5657ea9d80d836278f0cd47c01ba22dc06531b9d4bb88c9cb7a8d714a4bd57e46
ripemd-160 66bab707a00061caf864383ca2411b187387d04e

20797281 as geometric shapes

Circle

Radius = n
Diameter 41594562
Circumference 130673170.40849
Area 1.3588233220731E+15

Sphere

Radius = n
Volume 3.7679773944676E+22
Surface area 5.4352932882923E+15
Circumference 130673170.40849

Square

Length = n
Perimeter 83189124
Area 432526896992961
Diagonal 29411796.850684

Cube

Length = n
Surface area 2595161381957766
Volume 8.9953834168207E+21
Space diagonal 36021947.351287

Equilateral Triangle

Length = n
Perimeter 62391843
Area 1.8728964030798E+14
Altitude 18010973.675643

Triangular Pyramid

Length = n
Surface area 1.8728964030798E+14
Volume 1.0601161022345E+21
Height 9803932.2835614