16405988 (number)

16405988 is an even 8-digits composite number following 16405987 and preceding 16405989. In scientific notation, it is written as 1.6405988 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 8192232 positive integers (up to 16405988) that are relatively prime to 16405988.

Interesting facts

Basic properties

Name

Name sixteen million four hundred five thousand nine hundred eighty-eight

Notation

Scientific notation 1.6405988 × 10^7
Engineering notation 1.6405988 × 10^6

Prime Factorization of 16405988

Prime Factorization 2 × 2 × 919 × 4463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 8202994
Product of the distinct prime numbers

The prime factorization of 16405988 is 2 × 2 × 919 × 4463. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16405988)

Multiplication

n×y
n×2 32811976
n×3 49217964
n×4 65623952
n×5 82029940

Division

n÷y
n÷2 8202994
n÷3 5468662.6666667
n÷3 4101497
n÷5 3281197.6

Exponentiation

ny
n2 269156442256144
n3 4.415777361777E+21
n4 7.2445190407985E+28
n5 1.1885349244911E+36

Nth Root

y√n
2√n 4050.4305943936
3√n 254.09773658269
4√n 63.642993285936
5√n 27.733231564997

Divisors of 16405988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16405987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16405988 can be divided by 12 positive divisors. The sum of these divisors (counting 16405988) is 1, the average is 0.083333333333333.

Base conversion 16405988

Base System Value
2 Binary 111110100101010111100100
3 Ternary 1010212111210012
4 Quaternary 332211113210
5 Quinary 13144442423
6 Senary 1343345352
8 Octal 76452744
10 Decimal 16405988
12 Duodecimal 55b2258
16 Hexadecimal fa55e4
20 Vigesimal 52aej8
36 Base36 9rmxw

Cryptographic Hash Functions

md5 892b67ee47e246190aae8612ba7dcabc
sha1 6f4fcf0f084dc630d7d0b4f57ff0452510a865aa
sha256 4c254274c6ded1e0e3e9433f9fc0b871d73f08e582a8a8ac9d1ba6cd6587f4c8
sha512 f8a67c92091617cf970ba31c2e7184e94622a76355bc3389084d1c22999056c0c46320f03917cc73d25cbd018c441a03cf8f18e35c636d77435d863b383025d3
ripemd-160 14bb1198fb5ebecd80451301da599b4f8faf9bc6

16405988 as geometric shapes

Circle

Radius = n
Diameter 32811976
Circumference 103081862.75136
Area 8.4557990165827E+14

Sphere

Radius = n
Volume 1.8496764959529E+22
Surface area 3.3823196066331E+15
Circumference 103081862.75136

Square

Length = n
Perimeter 65623952
Area 269156442256144
Diagonal 23201570.73373

Cube

Length = n
Surface area 1614938653536864
Volume 4.415777361777E+21
Space diagonal 28416004.764365

Equilateral Triangle

Length = n
Perimeter 49217964
Area 1.1654815829303E+14
Altitude 14208002.382183

Triangular Pyramid

Length = n
Surface area 1.1654815829303E+14
Volume 5.2040435278709E+20
Height 7733856.9112434