16405987 (number)

16405987 is an odd 8-digits composite number following 16405986 and preceding 16405988. In scientific notation, it is written as 1.6405987 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 14206752 positive integers (up to 16405987) that are relatively prime to 16405987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6405987 × 10^7
Engineering notation 1.6405987 × 10^6

Prime Factorization of 16405987

Prime Factorization 13 × 19 × 523 × 127

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16405987
Product of the distinct prime numbers

The prime factorization of 16405987 is 13 × 19 × 523 × 127. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 9, 63, 10, 196, 5575, 5387, 60155, 6912, 73063, 73331, 2241111, 3941889, 35906717, 86417653, 551469915, 952643148, 7445827944, 2333279910

Basic calculations (n = 16405987)

Multiplication

n×y
n×2 32811974
n×3 49217961
n×4 65623948
n×5 82029935

Division

n÷y
n÷2 8202993.5
n÷3 5468662.3333333
n÷3 4101496.75
n÷5 3281197.4

Exponentiation

ny
n2 269156409444169
n3 4.4157765543077E+21
n4 7.2445172744877E+28
n5 1.1885345622652E+36

Nth Root

y√n
2√n 4050.43047095
3√n 254.09773141999
4√n 63.642992316122
5√n 27.73323122691

Divisors of 16405987

1, 13, 19, 127, 247, 523, 1651, 2413, 6799, 9937, 31369, 66421, 129181, 863473, 1261999, 16405987

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 -16405986
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 16405987 can be divided by 16 positive divisors. The sum of these divisors (counting 16405987) is 1, the average is 0.0625.

Base conversion 16405987

Base System Value
2 Binary 111110100101010111100011
3 Ternary 1010212111210011
4 Quaternary 332211113203
5 Quinary 13144442422
6 Senary 1343345351
8 Octal 76452743
10 Decimal 16405987
12 Duodecimal 55b2257
16 Hexadecimal fa55e3
20 Vigesimal 52aej7
36 Base36 9rmxv

Cryptographic Hash Functions

md5 97e9782db426f56563055bcd86c62a50
sha1 9977f83a92a7181419fb8522a0d166d723973e99
sha256 9e025fb16bbb46ba0c067db39ed2c72bee7e69003ec3a096ee38446053ed6500
sha512 798708a465fd12982e6a93b8acc2d1b7a44630c46f18a74db6e4cb1c4d23c8c3592531681409976fa63afab99122b6120483d930b443dcd482f676bd2c23a0f7
ripemd-160 4e0ff9ebab019b5cc59f46e68f957d86c8e3cb95

16405987 as geometric shapes

Circle

Radius = n
Diameter 32811974
Circumference 103081856.46818
Area 8.4557979857641E+14

Sphere

Radius = n
Volume 1.849676157721E+22
Surface area 3.3823191943056E+15
Circumference 103081856.46818

Square

Length = n
Perimeter 65623948
Area 269156409444169
Diagonal 23201569.319517

Cube

Length = n
Surface area 1614938456665014
Volume 4.4157765543077E+21
Space diagonal 28416003.032315

Equilateral Triangle

Length = n
Perimeter 49217961
Area 1.1654814408503E+14
Altitude 14208001.516157

Triangular Pyramid

Length = n
Surface area 1.1654814408503E+14
Volume 5.2040425762593E+20
Height 7733856.4398389