15663681 (number)

15663681 is an odd 8-digits composite number following 15663680 and preceding 15663682. In scientific notation, it is written as 1.5663681 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 8678400 positive integers (up to 15663681) that are relatively prime to 15663681.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-three thousand six hundred eighty-one

Notation

Scientific notation 1.5663681 × 10^7
Engineering notation 1.5663681 × 10^6

Prime Factorization of 15663681

Prime Factorization 187 × 9 × 41 × 227

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15663681
Product of the distinct prime numbers

The prime factorization of 15663681 is 187 × 9 × 41 × 227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15663681)

Multiplication

n×y
n×2 31327362
n×3 46991043
n×4 62654724
n×5 78318405

Division

n÷y
n÷2 7831840.5
n÷3 5221227
n÷3 3915920.25
n÷5 3132736.2

Exponentiation

ny
n2 245350902469761
n3 3.8430982693484E+21
n4 6.0197065342726E+28
n5 9.4290762866462E+35

Nth Root

y√n
2√n 3957.7368533039
3√n 250.20612866385
4√n 62.9105464394
5√n 27.477598032047

Divisors of 15663681

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 -15663680
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 15663681 can be divided by 16 positive divisors. The sum of these divisors (counting 15663681) is 1, the average is 0.0625.

Base conversion 15663681

Base System Value
2 Binary 111011110000001001000001
3 Ternary 1002110210112100
4 Quaternary 323300021001
5 Quinary 13002214211
6 Senary 1315421013
8 Octal 73601101
10 Decimal 15663681
12 Duodecimal 52b4769
16 Hexadecimal ef0241
20 Vigesimal 4hhj41
36 Base36 9bq69

Cryptographic Hash Functions

md5 86bed6c0235a5225c560b929ca7b6cc2
sha1 17631f8b5edc2c5fd025b45411af2166ef017924
sha256 da9db3634f4bc966aad8abea1da1f91ebd577e8ef6d7a6ed17bd21d3e8ec2804
sha512 5ba5d7f53a95dbcf0cf3f5dcb62783d32a3eefe5ae67bf99a4dba89d44741685666f2753d4799307f0a17a51e5d50d3115a6cbad2617deebf3e76efc1917dce6
ripemd-160 ee934d6484c7a64dd90c7553864634c2b668d0b7

15663681 as geometric shapes

Circle

Radius = n
Diameter 31327362
Circumference 98417810.315548
Area 7.7079259275063E+14

Sphere

Radius = n
Volume 1.6097932386678E+22
Surface area 3.0831703710025E+15
Circumference 98417810.315548

Square

Length = n
Perimeter 62654724
Area 245350902469761
Diagonal 22151790.106886

Cube

Length = n
Surface area 1472105414818566
Volume 3.8430982693484E+21
Space diagonal 27130291.325551

Equilateral Triangle

Length = n
Perimeter 46991043
Area 1.0624005719013E+14
Altitude 13565145.662776

Triangular Pyramid

Length = n
Surface area 1.0624005719013E+14
Volume 4.5291347450376E+20
Height 7383930.0356286