20161731 (number)

20161731 is an odd 8-digits composite number following 20161730 and preceding 20161732. In scientific notation, it is written as 2.0161731 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 12581184 positive integers (up to 20161731) that are relatively prime to 20161731.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand seven hundred thirty-one

Notation

Scientific notation 2.0161731 × 10^7
Engineering notation 2.0161731 × 10^6

Prime Factorization of 20161731

Prime Factorization 3 × 23 × 47 × 6217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20161731
Product of the distinct prime numbers

The prime factorization of 20161731 is 3 × 23 × 47 × 6217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 92, 64, 854, 786, 6826, 4867, 24588, 89556, 943603, 22773, 9877296, 9285422, 61686423, 30328078, 868292668, 800979158, 9780602326, 6877380834

Basic calculations (n = 20161731)

Multiplication

n×y
n×2 40323462
n×3 60485193
n×4 80646924
n×5 100808655

Division

n÷y
n÷2 10080865.5
n÷3 6720577
n÷3 5040432.75
n÷5 4032346.2

Exponentiation

ny
n2 406495396916361
n3 8.1956508453659E+21
n4 1.6523850771419E+29
n5 3.3314943433749E+36

Nth Root

y√n
2√n 4490.1816221618
3√n 272.17147402066
4√n 67.008817495624
5√n 28.900513759778

Divisors of 20161731

1, 3, 23, 47, 69, 141, 1081, 3243, 6217, 18651, 142991, 292199, 428973, 876597, 6720577, 20161731

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 -20161730
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 20161731 can be divided by 16 positive divisors. The sum of these divisors (counting 20161731) is 1, the average is 0.0625.

Base conversion 20161731

Base System Value
2 Binary 1001100111010010011000011
3 Ternary 1101221022200210
4 Quaternary 1030322103003
5 Quinary 20130133411
6 Senary 2000045203
8 Octal 114722303
10 Decimal 20161731
12 Duodecimal 6903803
16 Hexadecimal 133a4c3
20 Vigesimal 66046b
36 Base36 c04w3

Cryptographic Hash Functions

md5 edd3e6018871d6a0c5d60da720dc8e25
sha1 9f8303a642884e4d48b9428b0cc6cabe9aea4ea5
sha256 d676b6e76b8a6f75d6ffbcae185e4b853cc8424519ab0644ee05fbad9c8e6fbe
sha512 17fa1f78b18ce53b727fed95951c4bf22b188446a1e79e1fe55cb793954b5b41cc008eeec7510bb63b8c98a2e613382dd77c583df5e383f3d16166e55e89da62
ripemd-160 937ba0ca9243b5b934035639d3cfaab9e96e4ce0

20161731 as geometric shapes

Circle

Radius = n
Diameter 40323462
Circumference 126679891.98651
Area 1.2770429526705E+15

Sphere

Radius = n
Volume 3.4329861982918E+22
Surface area 5.108171810682E+15
Circumference 126679891.98651

Square

Length = n
Perimeter 80646924
Area 406495396916361
Diagonal 28512993.421118

Cube

Length = n
Surface area 2438972381498166
Volume 8.1956508453659E+21
Space diagonal 34921142.460536

Equilateral Triangle

Length = n
Perimeter 60485193
Area 1.760176701255E+14
Altitude 17460571.230268

Triangular Pyramid

Length = n
Surface area 1.760176701255E+14
Volume 9.6586671483258E+20
Height 9504331.1403727