20161031 (number)

20161031 is an odd 8-digits composite number following 20161030 and preceding 20161032. In scientific notation, it is written as 2.0161031 × 10^7. The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors. There are 17097600 positive integers (up to 20161031) that are relatively prime to 20161031.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0161031 × 10^7
Engineering notation 2.0161031 × 10^6

Prime Factorization of 20161031

Prime Factorization 17 × 11 × 131 × 823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20161031
Product of the distinct prime numbers

The prime factorization of 20161031 is 17 × 11 × 131 × 823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 90, 80, 469, 235, 3138, 8307, 82593, 69285, 937754, 272948, 7323171, 8563437, 52920046, 50009819, 468160894, 966171542, 2700268980, 8563381964

Basic calculations (n = 20161031)

Multiplication

n×y
n×2 40322062
n×3 60483093
n×4 80644124
n×5 100805155

Division

n÷y
n÷2 10080515.5
n÷3 6720343.6666667
n÷3 5040257.75
n÷5 4032206.2

Exponentiation

ny
n2 406467170982961
n3 8.1947972346698E+21
n4 1.6521556108689E+29
n5 3.3309160487552E+36

Nth Root

y√n
2√n 4490.1036736361
3√n 272.16832412186
4√n 67.008235864228
5√n 28.90031307621

Divisors of 20161031

1, 11, 17, 131, 187, 823, 1441, 2227, 9053, 13991, 24497, 107813, 153901, 1185943, 1832821, 20161031

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 -20161030
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 20161031 can be divided by 16 positive divisors. The sum of these divisors (counting 20161031) is 1, the average is 0.0625.

Base conversion 20161031

Base System Value
2 Binary 1001100111010001000000111
3 Ternary 1101221021201212
4 Quaternary 1030322020013
5 Quinary 20130123111
6 Senary 2000042035
8 Octal 114721007
10 Decimal 20161031
12 Duodecimal 690331b
16 Hexadecimal 133a207
20 Vigesimal 6602bb
36 Base36 c04cn

Cryptographic Hash Functions

md5 a7751d706e3d82f261f6c8081538fe82
sha1 da9fdb2e8758f712b82c87a7cfa5b4b9117ad9a1
sha256 a7dbc5fe796366ce5b8af0364a2ece5b487aa19cdaf3f18682d981ee39a46e9c
sha512 08af10f5fcc8551029f69b6c163596b1c88fef74401f3972f5c3c4e8d09c3514f07258af507fa46ae54d7a4d643867653c59b0504501351e1594a3fcafa4e84a
ripemd-160 fab713038bacd39c0525fe39173a4cc5085163b1

20161031 as geometric shapes

Circle

Radius = n
Diameter 40322062
Circumference 126675493.75679
Area 1.2769542782855E+15

Sphere

Radius = n
Volume 3.4326286386795E+22
Surface area 5.107817113142E+15
Circumference 126675493.75679

Square

Length = n
Perimeter 80644124
Area 406467170982961
Diagonal 28512003.471624

Cube

Length = n
Surface area 2438803025897766
Volume 8.1947972346698E+21
Space diagonal 34919930.024971

Equilateral Triangle

Length = n
Perimeter 60483093
Area 1.7600544793782E+14
Altitude 17459965.012486

Triangular Pyramid

Length = n
Surface area 1.7600544793782E+14
Volume 9.6576611584729E+20
Height 9504001.1572081