13531981 (number)

13531981 is an odd 8-digits composite number following 13531980 and preceding 13531982. In scientific notation, it is written as 1.3531981 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 12943612 positive integers (up to 13531981) that are relatively prime to 13531981.

Interesting facts

Basic properties

Name

Name thirteen million five hundred thirty-one thousand nine hundred eighty-one

Notation

Scientific notation 1.3531981 × 10^7
Engineering notation 1.3531981 × 10^6

Prime Factorization of 13531981

Prime Factorization 23 × 588347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13531981
Product of the distinct prime numbers

The prime factorization of 13531981 is 23 × 588347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13531981)

Multiplication

n×y
n×2 27063962
n×3 40595943
n×4 54127924
n×5 67659905

Division

n÷y
n÷2 6765990.5
n÷3 4510660.3333333
n÷3 3382995.25
n÷5 2706396.2

Exponentiation

ny
n2 183114509784361
n3 2.4779020672263E+21
n4 3.3530923693567E+28
n5 4.537398223338E+35

Nth Root

y√n
2√n 3678.5841026134
3√n 238.29803423077
4√n 60.651332241043
5√n 26.685311447112

Divisors of 13531981

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 -13531980
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 13531981 can be divided by 4 positive divisors. The sum of these divisors (counting 13531981) is 1, the average is 0.25.

Base conversion 13531981

Base System Value
2 Binary 110011100111101101001101
3 Ternary 221110111101111
4 Quaternary 303213231031
5 Quinary 11431010411
6 Senary 1202012021
8 Octal 63475515
10 Decimal 13531981
12 Duodecimal 4647011
16 Hexadecimal ce7b4d
20 Vigesimal 44b9j1
36 Base36 821cd

Cryptographic Hash Functions

md5 6791f2ffa95873cec0f89b6d9ed00614
sha1 469ce1046cc19fa9c3cfc18764604b6a7ca1f0cd
sha256 b34924a6479beff71397c7caa7ac0fac19ab53d6a878758654f1e8904668b16d
sha512 77597a7521edad0bd62b8f58e9927d0e30569a0d6b5c31ac3c48fc63a56a8f22a32731864bef44e937745d40671917282472750277548e4ae1618aa79df9bfbb
ripemd-160 62d8ddb87d1b16a6fa0d3b0f33653399450abd1d

13531981 as geometric shapes

Circle

Radius = n
Diameter 27063962
Circumference 85023944.196233
Area 5.7527119870424E+14

Sphere

Radius = n
Volume 1.0379411907617E+22
Surface area 2.301084794817E+15
Circumference 85023944.196233

Square

Length = n
Perimeter 54127924
Area 183114509784361
Diagonal 19137111.055975

Cube

Length = n
Surface area 1098687058706166
Volume 2.4779020672263E+21
Space diagonal 23438078.619057

Equilateral Triangle

Length = n
Perimeter 40595943
Area 79290908637395
Altitude 11719039.309528

Triangular Pyramid

Length = n
Surface area 79290908637395
Volume 2.9202355914198E+20
Height 6379037.0186583