20181356 (number)

20181356 is an even 8-digits composite number following 20181355 and preceding 20181357. In scientific notation, it is written as 2.0181356 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 9253440 positive integers (up to 20181356) that are relatively prime to 20181356.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand three hundred fifty-six

Notation

Scientific notation 2.0181356 × 10^7
Engineering notation 2.0181356 × 10^6

Prime Factorization of 20181356

Prime Factorization 2 × 2 × 13 × 163 × 2381

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10090678
Product of the distinct prime numbers

The prime factorization of 20181356 is 2 × 2 × 13 × 163 × 2381. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 44, 57, 242, 478, 9391, 1293, 31824, 54592, 640484, 232089, 8062336, 9065658, 89636504, 87044987, 360906284, 795899716, 1675165309, 5395940390

Basic calculations (n = 20181356)

Multiplication

n×y
n×2 40362712
n×3 60544068
n×4 80725424
n×5 100906780

Division

n÷y
n÷2 10090678
n÷3 6727118.6666667
n÷3 5045339
n÷5 4036271.2

Exponentiation

ny
n2 407287129998736
n3 8.2196065647228E+21
n4 1.6588280626261E+29
n5 3.3477399674647E+36

Nth Root

y√n
2√n 4492.3664142632
3√n 272.25975402428
4√n 67.025117786269
5√n 28.906137799519

Divisors of 20181356

1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2381, 4238, 4762, 8476, 9524, 30953, 61906, 123812, 388103, 776206, 1552412, 5045339, 10090678, 20181356

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181355
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181356 can be divided by 24 positive divisors. The sum of these divisors (counting 20181356) is 1, the average is 0.041666666666667.

Base conversion 20181356

Base System Value
2 Binary 1001100111111000101101100
3 Ternary 1101222022121122
4 Quaternary 1030333011230
5 Quinary 20131300411
6 Senary 2000320112
8 Octal 114770554
10 Decimal 20181356
12 Duodecimal 6913038
16 Hexadecimal 133f16c
20 Vigesimal 662d7g
36 Base36 c0k18

Cryptographic Hash Functions

md5 d17d945f57ad756ae90341e47c77512a
sha1 3e3e217deefc428457706c0556666f2a634fdfae
sha256 3475ba32f7baf98a3587712e391f57a89fd60df0d62c18cd8ac4f664126f0460
sha512 8fac56ff22bf574179f81c5f7d5f24996cab1840216172ef57edafadcf75e3bc75d80e5ec48626fa7f52d693585b44945bb87445d7884a60ee1fbcbcd97d9c91
ripemd-160 035659aa00b3ec31b2ee28a7d61a114690b3955e

20181356 as geometric shapes

Circle

Radius = n
Diameter 40362712
Circumference 126803199.49816
Area 1.2795302555057E+15

Sphere

Radius = n
Volume 3.4430207465509E+22
Surface area 5.1181210220228E+15
Circumference 126803199.49816

Square

Length = n
Perimeter 80725424
Area 407287129998736
Diagonal 28540747.36228

Cube

Length = n
Surface area 2443722779992416
Volume 8.2196065647228E+21
Space diagonal 34955133.957635

Equilateral Triangle

Length = n
Perimeter 60544068
Area 1.7636050060668E+14
Altitude 17477566.978818

Triangular Pyramid

Length = n
Surface area 1.7636050060668E+14
Volume 9.6868992343349E+20
Height 9513582.4540932