20181091 (number)

20181091 is an odd 8-digits composite number following 20181090 and preceding 20181092. In scientific notation, it is written as 2.0181091 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 16275840 positive integers (up to 20181091) that are relatively prime to 20181091.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181091 × 10^7
Engineering notation 2.0181091 × 10^6

Prime Factorization of 20181091

Prime Factorization 7 × 49 × 17 × 3461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181091
Product of the distinct prime numbers

The prime factorization of 20181091 is 7 × 49 × 17 × 3461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 97, 77, 160, 383, 306, 7376, 99654, 70419, 37786, 379581, 3238116, 8215652, 12523294, 60192029, 966606764, 540571361, 8299707367, 6419994470

Basic calculations (n = 20181091)

Multiplication

n×y
n×2 40362182
n×3 60543273
n×4 80724364
n×5 100905455

Division

n÷y
n÷2 10090545.5
n÷3 6727030.3333333
n÷3 5045272.75
n÷5 4036218.2

Exponentiation

ny
n2 407276433950281
n3 8.2192827757061E+21
n4 1.6587409365126E+29
n5 3.3475201785186E+36

Nth Root

y√n
2√n 4492.3369196889
3√n 272.25856234435
4√n 67.02489775963
5√n 28.906061886218

Divisors of 20181091

1, 7, 17, 49, 119, 343, 833, 3461, 5831, 24227, 58837, 169589, 411859, 1187123, 2883013, 20181091

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 -20181090
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 20181091 can be divided by 16 positive divisors. The sum of these divisors (counting 20181091) is 1, the average is 0.0625.

Base conversion 20181091

Base System Value
2 Binary 1001100111111000001100011
3 Ternary 1101222022020211
4 Quaternary 1030333001203
5 Quinary 20131243331
6 Senary 2000314551
8 Octal 114770143
10 Decimal 20181091
12 Duodecimal 6912a57
16 Hexadecimal 133f063
20 Vigesimal 662ceb
36 Base36 c0jtv

Cryptographic Hash Functions

md5 05da6fc31d7b6f03afa6581eab16348a
sha1 1023022b58a1504e77c5b75a5cd5207766287da0
sha256 2246e62d1b56c53fb04f014b26b67e92e1b7d7826a2bdaf085d818ba9c943408
sha512 ce917e3b8a03a45b30f356d32d50f9ac53eccba1e87ede79e594dad76d32d5549c99854afa5b08262a371b632ecb7702193f14007498caf279d803b16f114a04
ripemd-160 1e99b2fbbf4a96a4a5baf6bc93f2c92befeb7d4a

20181091 as geometric shapes

Circle

Radius = n
Diameter 40362182
Circumference 126801534.45405
Area 1.2794966528785E+15

Sphere

Radius = n
Volume 3.4428851181247E+22
Surface area 5.1179866115138E+15
Circumference 126801534.45405

Square

Length = n
Perimeter 80724364
Area 407276433950281
Diagonal 28540372.595686

Cube

Length = n
Surface area 2443658603701686
Volume 8.2192827757061E+21
Space diagonal 34954674.964171

Equilateral Triangle

Length = n
Perimeter 60543273
Area 1.7635586908184E+14
Altitude 17477337.482085

Triangular Pyramid

Length = n
Surface area 1.7635586908184E+14
Volume 9.6865176453193E+20
Height 9513457.5318952