20181108 (number)

20181108 is an even 8-digits composite number following 20181107 and preceding 20181109. In scientific notation, it is written as 2.0181108 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 6331264 positive integers (up to 20181108) that are relatively prime to 20181108.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181108 × 10^7
Engineering notation 2.0181108 × 10^6

Prime Factorization of 20181108

Prime Factorization 2 × 2 × 3 × 17 × 98927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10090554
Product of the distinct prime numbers

The prime factorization of 20181108 is 2 × 2 × 3 × 17 × 98927. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 7, 21, 58, 819, 246, 6515, 8760, 99283, 91286, 60982, 625712, 3937174, 5581449, 54523990, 40866615, 331594362, 316912967, 8052304325, 9948690536

Basic calculations (n = 20181108)

Multiplication

n×y
n×2 40362216
n×3 60543324
n×4 80724432
n×5 100905540

Division

n÷y
n÷2 10090554
n÷3 6727036
n÷3 5045277
n÷5 4036221.6

Exponentiation

ny
n2 407277120107664
n3 8.2193035468217E+21
n4 1.6587465256319E+29
n5 3.3475342778403E+36

Nth Root

y√n
2√n 4492.3388117995
3√n 272.25863879206
4√n 67.024911874612
5√n 28.906066756152

Divisors of 20181108

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 98927, 197854, 296781, 395708, 593562, 1187124, 1681759, 3363518, 5045277, 6727036, 10090554, 20181108

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 -20181107
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 20181108 can be divided by 24 positive divisors. The sum of these divisors (counting 20181108) is 1, the average is 0.041666666666667.

Base conversion 20181108

Base System Value
2 Binary 1001100111111000001110100
3 Ternary 1101222022021110
4 Quaternary 1030333001310
5 Quinary 20131243413
6 Senary 2000315020
8 Octal 114770164
10 Decimal 20181108
12 Duodecimal 6912a70
16 Hexadecimal 133f074
20 Vigesimal 662cf8
36 Base36 c0juc

Cryptographic Hash Functions

md5 56e416d64169cbbf8a979a6617afb5e5
sha1 edb1714b0aab772f92709b2f6a5a4e936a1d98a3
sha256 2b78a9ba056bb2e7852cc2b856a9669f622a24903618d0fde25a6a94e5e5d095
sha512 676f8b9c49b75f0830fad1f10d5c7316b24fee25f3606cae5717517cfed8e4a6caeaf49097f696ef65a8ea56dcc2d82bc1fb92d1d09a202189ec3824d36010c4
ripemd-160 97ddab453390239bce9b4b4031b359340e23f90c

20181108 as geometric shapes

Circle

Radius = n
Diameter 40362216
Circumference 126801641.2682
Area 1.2794988085054E+15

Sphere

Radius = n
Volume 3.4428938187093E+22
Surface area 5.1179952340218E+15
Circumference 126801641.2682

Square

Length = n
Perimeter 80724432
Area 407277120107664
Diagonal 28540396.637316

Cube

Length = n
Surface area 2443662720645984
Volume 8.2193035468217E+21
Space diagonal 34954704.409035

Equilateral Triangle

Length = n
Perimeter 60543324
Area 1.763561661967E+14
Altitude 17477352.204517

Triangular Pyramid

Length = n
Surface area 1.763561661967E+14
Volume 9.6865421243138E+20
Height 9513465.5457721