16018981 (number)

16018981 is an odd 8-digits composite number following 16018980 and preceding 16018982. In scientific notation, it is written as 1.6018981 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 13703360 positive integers (up to 16018981) that are relatively prime to 16018981.

Interesting facts

Basic properties

Name

Name sixteen million eighteen thousand nine hundred eighty-one

Notation

Scientific notation 1.6018981 × 10^7
Engineering notation 1.6018981 × 10^6

Prime Factorization of 16018981

Prime Factorization 11 × 17 × 17 × 5039

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 942293
Product of the distinct prime numbers

The prime factorization of 16018981 is 11 × 17 × 17 × 5039. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 55, 95, 180, 304, 3577, 5279, 89743, 31242, 236911, 581949, 8432835, 1548404, 94809574, 5504122, 275006265, 618952652, 6384034034, 4871495683

Basic calculations (n = 16018981)

Multiplication

n×y
n×2 32037962
n×3 48056943
n×4 64075924
n×5 80094905

Division

n÷y
n÷2 8009490.5
n÷3 5339660.3333333
n÷3 4004745.25
n÷5 3203796.2

Exponentiation

ny
n2 256607752278361
n3 4.1105947081998E+21
n4 6.5847538529353E+28
n5 1.0548104685985E+36

Nth Root

y√n
2√n 4002.3719217484
3√n 252.08381460798
4√n 63.264302112237
5√n 27.601137286818

Divisors of 16018981

1, 11, 17, 187, 289, 3179, 5039, 55429, 85663, 942293, 1456271, 16018981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16018980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16018981 can be divided by 12 positive divisors. The sum of these divisors (counting 16018981) is 1, the average is 0.083333333333333.

Base conversion 16018981

Base System Value
2 Binary 111101000110111000100101
3 Ternary 1010010211220121
4 Quaternary 331012320211
5 Quinary 13100101411
6 Senary 1331201541
8 Octal 75067045
10 Decimal 16018981
12 Duodecimal 54462b1
16 Hexadecimal f46e25
20 Vigesimal 502791
36 Base36 9jcbp

Cryptographic Hash Functions

md5 81ac513faad6e2e615bf96ef6052b306
sha1 303952b4665f93cdc17941c66667627317ff644a
sha256 a543771317f94a7a795310f627925aac90816c777f4f074a5f98e907448c8510
sha512 14f7cf2ae6f59b4834c1e063760785810d25d5b0752d82da00abb0c36ddb212566e945452db4c2daebedc59cf5da36cd0f1e63943e4010879264432ff79a15b5
ripemd-160 15b41347f36f067f8c2483828817db8d3c801545

16018981 as geometric shapes

Circle

Radius = n
Diameter 32037962
Circumference 100650226.05519
Area 8.0615702941189E+14

Sphere

Radius = n
Volume 1.7218418849554E+22
Surface area 3.2246281176476E+15
Circumference 100650226.05519

Square

Length = n
Perimeter 64075924
Area 256607752278361
Diagonal 22654260.185597

Cube

Length = n
Surface area 1539646513670166
Volume 4.1105947081998E+21
Space diagonal 27745688.977481

Equilateral Triangle

Length = n
Perimeter 48056943
Area 1.1111441614054E+14
Altitude 13872844.48874

Triangular Pyramid

Length = n
Surface area 1.1111441614054E+14
Volume 4.8443823214627E+20
Height 7551420.0618656