16405645 (number)

16405645 is an odd 8-digits composite number following 16405644 and preceding 16405646. In scientific notation, it is written as 1.6405645 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 12147840 positive integers (up to 16405645) that are relatively prime to 16405645.

Interesting facts

Basic properties

Name

Name sixteen million four hundred five thousand six hundred forty-five

Notation

Scientific notation 1.6405645 × 10^7
Engineering notation 1.6405645 × 10^6

Prime Factorization of 16405645

Prime Factorization 61 × 5 × 19 × 19 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 863455
Product of the distinct prime numbers

The prime factorization of 16405645 is 61 × 5 × 19 × 19 × 149. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 76, 36, 520, 470, 4453, 5945, 96205, 75921, 823062, 129565, 2397077, 8220237, 81350114, 73387097, 375569431, 748329545, 5273717909, 1819281764

Basic calculations (n = 16405645)

Multiplication

n×y
n×2 32811290
n×3 49216935
n×4 65622580
n×5 82028225

Division

n÷y
n÷2 8202822.5
n÷3 5468548.3333333
n÷3 4101411.25
n÷5 3281129

Exponentiation

ny
n2 269145187866025
n3 4.4155004055883E+21
n4 7.2439132151438E+28
n5 1.1884106861846E+36

Nth Root

y√n
2√n 4050.388252995
3√n 254.09596576318
4√n 63.642660637304
5√n 27.73311560029

Divisors of 16405645

1, 5, 19, 61, 95, 149, 305, 361, 745, 1159, 1805, 2831, 5795, 9089, 14155, 22021, 45445, 53789, 110105, 172691, 268945, 863455, 3281129, 16405645

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16405644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16405645 can be divided by 24 positive divisors. The sum of these divisors (counting 16405645) is 1, the average is 0.041666666666667.

Base conversion 16405645

Base System Value
2 Binary 111110100101010010001101
3 Ternary 1010212111022111
4 Quaternary 332211102031
5 Quinary 13144440040
6 Senary 1343344021
8 Octal 76452215
10 Decimal 16405645
12 Duodecimal 55b2011
16 Hexadecimal fa548d
20 Vigesimal 52ae25
36 Base36 9rmod

Cryptographic Hash Functions

md5 c4f67e9a606709a50bb501407dc1641a
sha1 a7ef6d2e976690c3920d22d6ebcf11438a475240
sha256 8587c97a08286994caa572c7229a92619fab0c99e3f2edea90799558ff1d8957
sha512 1efdbde44cae5c3a61b5b5c5182c6320122019f16fdf0d94bdf17a535d9515b1fe99f1cffb49a7f91a46e1432022b4b57fd8e057d37d85ab9a0e76700c5eb699
ripemd-160 e788c4011a243f1d040e428de11b269955210e38

16405645 as geometric shapes

Circle

Radius = n
Diameter 32811290
Circumference 103079707.6188
Area 8.4554454494895E+14

Sphere

Radius = n
Volume 1.8495604848159E+22
Surface area 3.3821781797958E+15
Circumference 103079707.6188

Square

Length = n
Perimeter 65622580
Area 269145187866025
Diagonal 23201085.658478

Cube

Length = n
Surface area 1614871127196150
Volume 4.4155004055883E+21
Space diagonal 28415410.670938

Equilateral Triangle

Length = n
Perimeter 49216935
Area 1.1654328499916E+14
Altitude 14207705.335469

Triangular Pyramid

Length = n
Surface area 1.1654328499916E+14
Volume 5.2037171318724E+20
Height 7733695.2194928