18991108 (number)

18991108 is an even 8-digits composite number following 18991107 and preceding 18991109. In scientific notation, it is written as 1.8991108 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 8466048 positive integers (up to 18991108) that are relatively prime to 18991108.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-one thousand one hundred eight

Notation

Scientific notation 1.8991108 × 10^7
Engineering notation 1.8991108 × 10^6

Prime Factorization of 18991108

Prime Factorization 2 × 2 × 17 × 19 × 14699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9495554
Product of the distinct prime numbers

The prime factorization of 18991108 is 2 × 2 × 17 × 19 × 14699. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 6, 43, 4, 166, 263, 3965, 7103, 49150, 72514, 832162, 813566, 8145827, 609419, 95072314, 3217941, 147944577, 258210997, 6602667953, 1748450258

Basic calculations (n = 18991108)

Multiplication

n×y
n×2 37982216
n×3 56973324
n×4 75964432
n×5 94955540

Division

n÷y
n÷2 9495554
n÷3 6330369.3333333
n÷3 4747777
n÷5 3798221.6

Exponentiation

ny
n2 360662183067664
n3 6.8493744701538E+21
n4 1.3007721029513E+29
n5 2.4703103490536E+36

Nth Root

y√n
2√n 4357.878841822
3√n 266.79853131096
4√n 66.014232115673
5√n 28.556834243649

Divisors of 18991108

1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 14699, 29398, 58796, 249883, 279281, 499766, 558562, 999532, 1117124, 4747777, 9495554, 18991108

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 -18991107
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 18991108 can be divided by 24 positive divisors. The sum of these divisors (counting 18991108) is 1, the average is 0.041666666666667.

Base conversion 18991108

Base System Value
2 Binary 1001000011100100000000100
3 Ternary 1022201211220101
4 Quaternary 1020130200010
5 Quinary 14330203413
6 Senary 1515013444
8 Octal 110344004
10 Decimal 18991108
12 Duodecimal 643a284
16 Hexadecimal 121c804
20 Vigesimal 5idhf8
36 Base36 bb1ms

Cryptographic Hash Functions

md5 0618fdd3146a4d39bdb0d93e137b7604
sha1 e2cc35487779ec74a49d8d25270402cc01c21d5c
sha256 5dc666a03a014518ef3e9a92ab34bae907b2536334532d1c08ce3b9ff89fa1e8
sha512 f2c18ab64869a6df9f45188b0d96ef80bab7dad501b035bd9422ceabf6ec2e5b9bc9e5bac81df601798791634e5c667b126f022b98e6d28831497bcac4408070
ripemd-160 123e8897693d1cc22d88ac23b68393b8ccd25800

18991108 as geometric shapes

Circle

Radius = n
Diameter 37982216
Circumference 119324650.75266
Area 1.133053664753E+15

Sphere

Radius = n
Volume 2.8690592689494E+22
Surface area 4.5322146590121E+15
Circumference 119324650.75266

Square

Length = n
Perimeter 75964432
Area 360662183067664
Diagonal 26857482.498092

Cube

Length = n
Surface area 2163973098405984
Volume 6.8493744701538E+21
Space diagonal 32893563.948028

Equilateral Triangle

Length = n
Perimeter 56973324
Area 1.5617130636048E+14
Altitude 16446781.974014

Triangular Pyramid

Length = n
Surface area 1.5617130636048E+14
Volume 8.0720652245529E+20
Height 8952494.1660307