16681938 (number)

16681938 is an even 8-digits composite number following 16681937 and preceding 16681939. In scientific notation, it is written as 1.6681938 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 4399488 positive integers (up to 16681938) that are relatively prime to 16681938.

Interesting facts

Basic properties

Name

Name sixteen million six hundred eighty-one thousand nine hundred thirty-eight

Notation

Scientific notation 1.6681938 × 10^7
Engineering notation 1.6681938 × 10^6

Prime Factorization of 16681938

Prime Factorization 2 × 21 × 13 × 30553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16681938
Product of the distinct prime numbers

The prime factorization of 16681938 is 2 × 21 × 13 × 30553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 45, 29, 825, 698, 5563, 9534, 32017, 41567, 627103, 747307, 8550431, 3116444, 50546698, 73913478, 410001158, 428375546, 1573975972, 4965994006

Basic calculations (n = 16681938)

Multiplication

n×y
n×2 33363876
n×3 50045814
n×4 66727752
n×5 83409690

Division

n÷y
n÷2 8340969
n÷3 5560646
n÷3 4170484.5
n÷5 3336387.6

Exponentiation

ny
n2 278287055435844
n3 4.6423674049833E+21
n4 7.7443685223153E+28
n5 1.2919107553841E+36

Nth Root

y√n
2√n 4084.352825112
3√n 255.51447075999
4√n 63.908941667907
5√n 27.825905158566

Divisors of 16681938

1, 2, 13, 21, 26, 42, 273, 546, 30553, 61106, 397189, 641613, 794378, 1283226, 8340969, 16681938

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 -16681937
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 16681938 can be divided by 16 positive divisors. The sum of these divisors (counting 16681938) is 1, the average is 0.0625.

Base conversion 16681938

Base System Value
2 Binary 111111101000101111010010
3 Ternary 1011101112022120
4 Quaternary 333220233102
5 Quinary 13232310223
6 Senary 1353315110
8 Octal 77505722
10 Decimal 16681938
12 Duodecimal 5705a96
16 Hexadecimal fe8bd2
20 Vigesimal 5454gi
36 Base36 9xjv6

Cryptographic Hash Functions

md5 287088ab6290a336047e121da85920cf
sha1 76e623d6abff06bcb7de306388fcb6bf6720cab1
sha256 d5b61ec5dab51a6d1462f8defee4eacda2c95164ef071136edd692729047d0db
sha512 02eeb98e825f155842f2555663025143838c57fe9aecf3f646174c5f74fa377f03bf44838ae63b26233dac08731f2c9c5e1fea06599b3394db24a2bbda12965b
ripemd-160 8c3347e910cd4983c9dfde4272807dd607723759

16681938 as geometric shapes

Circle

Radius = n
Diameter 33363876
Circumference 104815707.73688
Area 8.7426456894638E+14

Sphere

Radius = n
Volume 1.9445903113014E+22
Surface area 3.4970582757855E+15
Circumference 104815707.73688

Square

Length = n
Perimeter 66727752
Area 278287055435844
Diagonal 23591822.966267

Cube

Length = n
Surface area 1669722332615064
Volume 4.6423674049833E+21
Space diagonal 28893964.184714

Equilateral Triangle

Length = n
Perimeter 50045814
Area 1.205018297759E+14
Altitude 14446982.092357

Triangular Pyramid

Length = n
Surface area 1.205018297759E+14
Volume 5.4710824547052E+20
Height 7863940.9887557