18771121 (number)

18771121 is an odd 8-digits composite number following 18771120 and preceding 18771122. In scientific notation, it is written as 1.8771121 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18627700 positive integers (up to 18771121) that are relatively prime to 18771121.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred seventy-one thousand one hundred twenty-one

Notation

Scientific notation 1.8771121 × 10^7
Engineering notation 1.8771121 × 10^6

Prime Factorization of 18771121

Prime Factorization 131 × 143291

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18771121
Product of the distinct prime numbers

The prime factorization of 18771121 is 131 × 143291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18771121)

Multiplication

n×y
n×2 37542242
n×3 56313363
n×4 75084484
n×5 93855605

Division

n÷y
n÷2 9385560.5
n÷3 6257040.3333333
n÷3 4692780.25
n÷5 3754224.2

Exponentiation

ny
n2 352354983596641
n3 6.6140980320456E+21
n4 1.2415403446539E+29
n5 2.330510403588E+36

Nth Root

y√n
2√n 4332.5651755052
3√n 265.76435780402
4√n 65.8222240243
5√n 28.490366880585

Divisors of 18771121

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18771120
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18771121 can be divided by 4 positive divisors. The sum of these divisors (counting 18771121) is 1, the average is 0.25.

Base conversion 18771121

Base System Value
2 Binary 1000111100110110010110001
3 Ternary 1022022200010201
4 Quaternary 1013212302301
5 Quinary 14301133441
6 Senary 1510155201
8 Octal 107466261
10 Decimal 18771121
12 Duodecimal 6352b01
16 Hexadecimal 11e6cb1
20 Vigesimal 5h67g1
36 Base36 b6bw1

Cryptographic Hash Functions

md5 5e52bc3475cc2f5c2f22587499286b54
sha1 a177e124e7c0199de869d7f5960d47bf0b244bd5
sha256 70f9690881d7ce543a6c87b7b0be2fdfc153a67c150cd3d49ee1f9e329f8532d
sha512 2b7318f3555c4baec7b47fc0edc865944847f70269e69d33c644bdfdbc35b5e0ac3a377368846e859f7670581f377f8d9f29da537fdca5c63d8d50aacb791da5
ripemd-160 4884196b131ceeaf1fa00c76600d52da3c9aac3f

18771121 as geometric shapes

Circle

Radius = n
Diameter 37542242
Circumference 117942431.66649
Area 1.106955827923E+15

Sphere

Radius = n
Volume 2.7705069050129E+22
Surface area 4.4278233116918E+15
Circumference 117942431.66649

Square

Length = n
Perimeter 75084484
Area 352354983596641
Diagonal 26546373.899146

Cube

Length = n
Surface area 2114129901579846
Volume 6.6140980320456E+21
Space diagonal 32512535.287023

Equilateral Triangle

Length = n
Perimeter 56313363
Area 1.5257418347237E+14
Altitude 16256267.643512

Triangular Pyramid

Length = n
Surface area 1.5257418347237E+14
Volume 7.7947892831534E+20
Height 8848791.2997155