13811985 (number)

13811985 is an odd 8-digits composite number following 13811984 and preceding 13811986. In scientific notation, it is written as 1.3811985 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6552000 positive integers (up to 13811985) that are relatively prime to 13811985.

Interesting facts

Basic properties

Name

Name thirteen million eight hundred eleven thousand nine hundred eighty-five

Notation

Scientific notation 1.3811985 × 10^7
Engineering notation 1.3811985 × 10^6

Prime Factorization of 13811985

Prime Factorization 55 × 27 × 131 × 71

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 13811985
Product of the distinct prime numbers

The prime factorization of 13811985 is 55 × 27 × 131 × 71. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13811985)

Multiplication

n×y
n×2 27623970
n×3 41435955
n×4 55247940
n×5 69059925

Division

n÷y
n÷2 6905992.5
n÷3 4603995
n÷3 3452996.25
n÷5 2762397

Exponentiation

ny
n2 190770929640225
n3 2.6349252186268E+21
n4 3.6393547595796E+28
n5 5.0266713348992E+35

Nth Root

y√n
2√n 3716.447900886
3√n 239.93044859612
4√n 60.962676293664
5√n 26.794843178676

Divisors of 13811985

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 -13811984
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 13811985 can be divided by 16 positive divisors. The sum of these divisors (counting 13811985) is 1, the average is 0.0625.

Base conversion 13811985

Base System Value
2 Binary 110100101100000100010001
3 Ternary 221222201111000
4 Quaternary 310230010101
5 Quinary 12013440420
6 Senary 1212012213
8 Octal 64540421
10 Decimal 13811985
12 Duodecimal 4761069
16 Hexadecimal d2c111
20 Vigesimal 4669j5
36 Base36 881e9

Cryptographic Hash Functions

md5 faf2116906a17a62d3cb63a10692bad6
sha1 7922d966f30b155748c41f11447acf36bc314aef
sha256 8f785dd3be10b82eab9b2a8410697f8cde5f98ca3cf4836654656c6efddd464c
sha512 5e32c422aa90e0459d489b7270e0e3fafd330cf7d91ca4f739fdeb143473a0f5b9f82b21c6ccd73192cc7d84a41b6a5916ff2ef4a35aeef25aa2b67deaec5028
ripemd-160 4e7e9a9778ce6bfc8cc82572e0de6360e2bc0df1

13811985 as geometric shapes

Circle

Radius = n
Diameter 27623970
Circumference 86783261.214985
Area 5.9932455107623E+14

Sphere

Radius = n
Volume 1.1037148946129E+22
Surface area 2.3972982043049E+15
Circumference 86783261.214985

Square

Length = n
Perimeter 55247940
Area 190770929640225
Diagonal 19533096.510294

Cube

Length = n
Surface area 1144625577841350
Volume 2.6349252186268E+21
Space diagonal 23923059.773379

Equilateral Triangle

Length = n
Perimeter 41435955
Area 82606235686004
Altitude 11961529.88669

Triangular Pyramid

Length = n
Surface area 82606235686004
Volume 3.1052891500175E+20
Height 6511032.1700979