20797881 (number)

20797881 is an odd 8-digits composite number following 20797880 and preceding 20797882. In scientific notation, it is written as 2.0797881 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 12729024 positive integers (up to 20797881) that are relatively prime to 20797881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0797881 × 10^7
Engineering notation 2.0797881 × 10^6

Prime Factorization of 20797881

Prime Factorization 3 × 13 × 197 × 2707

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20797881
Product of the distinct prime numbers

The prime factorization of 20797881 is 3 × 13 × 197 × 2707. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 3, 55, 427, 232, 5789, 3242, 20537, 7157, 479689, 246460, 2680312, 2605377, 82072364, 64921629, 532524596, 986394003, 5113696239, 7399406096

Basic calculations (n = 20797881)

Multiplication

n×y
n×2 41595762
n×3 62393643
n×4 83191524
n×5 103989405

Division

n÷y
n÷2 10398940.5
n÷3 6932627
n÷3 5199470.25
n÷5 4159576.2

Exponentiation

ny
n2 432551854090161
n3 8.9961619876965E+21
n4 1.8710110647684E+29
n5 3.8913065474736E+36

Nth Root

y√n
2√n 4560.4693837367
3√n 275.00443408828
4√n 67.531247461725
5√n 29.080630467954

Divisors of 20797881

1, 3, 13, 39, 197, 591, 2561, 2707, 7683, 8121, 35191, 105573, 533279, 1599837, 6932627, 20797881

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 -20797880
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 20797881 can be divided by 16 positive divisors. The sum of these divisors (counting 20797881) is 1, the average is 0.0625.

Base conversion 20797881

Base System Value
2 Binary 1001111010101100110111001
3 Ternary 1110010122022220
4 Quaternary 1033111212321
5 Quinary 20311013011
6 Senary 2021434253
8 Octal 117254671
10 Decimal 20797881
12 Duodecimal 6b6b989
16 Hexadecimal 13d59b9
20 Vigesimal 69jee1
36 Base36 cdrqx

Cryptographic Hash Functions

md5 6aa9fbbc478208dcbddd7fb1835126de
sha1 c0389c5e01609899d0e172e4a6fe65d8dd72c2a6
sha256 4f6f0187ed7690018b3dbd2e22b3e11dd5e067bf258b48a33671817aec004f8a
sha512 6f2d87e0b181f97d17726f9bd064034714cb6ae01c99ba65d16177a93f816a8e5de7ed7f99e39e5eb8fcecae57b22b0fd48d4b1c4d8cd04569247f010b957937
ripemd-160 c95df6ef50358947f28517fe0d66b58a8a904286

20797881 as geometric shapes

Circle

Radius = n
Diameter 41595762
Circumference 130676940.31967
Area 1.3589017271063E+15

Sphere

Radius = n
Volume 3.7683035214735E+22
Surface area 5.4356069084252E+15
Circumference 130676940.31967

Square

Length = n
Perimeter 83191524
Area 432551854090161
Diagonal 29412645.378822

Cube

Length = n
Surface area 2595311124540966
Volume 8.9961619876965E+21
Space diagonal 36022986.581771

Equilateral Triangle

Length = n
Perimeter 62393643
Area 1.8730044704807E+14
Altitude 18011493.290886

Triangular Pyramid

Length = n
Surface area 1.8730044704807E+14
Volume 1.0602078576921E+21
Height 9804215.1262739