16681645 (number)

16681645 is an odd 8-digits composite number following 16681644 and preceding 16681646. In scientific notation, it is written as 1.6681645 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 13330704 positive integers (up to 16681645) that are relatively prime to 16681645.

Interesting facts

Basic properties

Name

Name sixteen million six hundred eighty-one thousand six hundred forty-five

Notation

Scientific notation 1.6681645 × 10^7
Engineering notation 1.6681645 × 10^6

Prime Factorization of 16681645

Prime Factorization 5 × 1867 × 1787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16681645
Product of the distinct prime numbers

The prime factorization of 16681645 is 5 × 1867 × 1787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16681645)

Multiplication

n×y
n×2 33363290
n×3 50044935
n×4 66726580
n×5 83408225

Division

n÷y
n÷2 8340822.5
n÷3 5560548.3333333
n÷3 4170411.25
n÷5 3336329

Exponentiation

ny
n2 278277279906025
n3 4.6421227949579E+21
n4 7.7438244511896E+28
n5 1.2917973043707E+36

Nth Root

y√n
2√n 4084.3169563588
3√n 255.51297480714
4√n 63.908661043389
5√n 27.82580741156

Divisors of 16681645

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16681644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16681645 can be divided by 8 positive divisors. The sum of these divisors (counting 16681645) is 1, the average is 0.125.

Base conversion 16681645

Base System Value
2 Binary 111111101000101010101101
3 Ternary 1011101111220201
4 Quaternary 333220222231
5 Quinary 13232303040
6 Senary 1353313501
8 Octal 77505255
10 Decimal 16681645
12 Duodecimal 5705891
16 Hexadecimal fe8aad
20 Vigesimal 545425
36 Base36 9xjn1

Cryptographic Hash Functions

md5 ef5dcebc3b72a52354ea18f68c7bb103
sha1 59bf4b46436b387955c32778f3e289e10db8e8c9
sha256 d5793d7a3b7543a7ed47abc820ae3f65066e9d44b12f5737955cb4c1256be407
sha512 f3833f39698526ac559ee48de6aaf0f4b7cc65460f9eaf85e80498222bcfc4786caa69a418da9b9267acfdf881f617834d80072a38963bf8ac47559cc40afd06
ripemd-160 e85922a08ce33bed76803c6743924d57d923a534

16681645 as geometric shapes

Circle

Radius = n
Diameter 33363290
Circumference 104813866.76359
Area 8.7423385821372E+14

Sphere

Radius = n
Volume 1.9444878492935E+22
Surface area 3.4969354328549E+15
Circumference 104813866.76359

Square

Length = n
Perimeter 66726580
Area 278277279906025
Diagonal 23591408.601693

Cube

Length = n
Surface area 1669663679436150
Volume 4.6421227949579E+21
Space diagonal 28893456.693827

Equilateral Triangle

Length = n
Perimeter 50044935
Area 1.2049759684733E+14
Altitude 14446728.346914

Triangular Pyramid

Length = n
Surface area 1.2049759684733E+14
Volume 5.4707941790257E+20
Height 7863802.8672311