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.
16405988 has 12 divisors, whose sum is 28748160
The reverse of 16405988 is 88950461
Previous prime number is 919
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixteen million four hundred five thousand nine hundred eighty-eight
Scientific notation
1.6405988 × 10^7
Engineering notation
1.6405988 × 10^6
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.
7 , 1 , 78 , 97 , 886 , 997 , 6801 , 6768 , 74410 , 37178 , 472169 , 96769 , 8954354 , 1883383 , 23348248 , 37994623 , 751288639 , 693493215 , 5360469610 , 2106730286
n×2
32811976
n×3
49217964
n×4
65623952
n×5
82029940
n÷2
8202994
n÷3
5468662.6666667
n÷3
4101497
n÷5
3281197.6
n2
269156442256144
n3
4.415777361777E+21
n4
7.2445190407985E+28
n5
1.1885349244911E+36
2 √n
4050.4305943936
3 √n
254.09773658269
4 √n
63.642993285936
5 √n
27.733231564997
1 , 2 , 4 , 919 , 1838 , 3676 , 4463 , 8926 , 17852 , 4101497 , 8202994 , 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
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
md5
892b67ee47e246190aae8612ba7dcabc
sha1
6f4fcf0f084dc630d7d0b4f57ff0452510a865aa
sha256
4c254274c6ded1e0e3e9433f9fc0b871d73f08e582a8a8ac9d1ba6cd6587f4c8
sha512
f8a67c92091617cf970ba31c2e7184e94622a76355bc3389084d1c22999056c0c46320f03917cc73d25cbd018c441a03cf8f18e35c636d77435d863b383025d3
ripemd-160
14bb1198fb5ebecd80451301da599b4f8faf9bc6
Diameter
32811976
Circumference
103081862.75136
Area
8.4557990165827E+14
Volume
1.8496764959529E+22
Surface area
3.3823196066331E+15
Circumference
103081862.75136
Perimeter
65623952
Area
269156442256144
Diagonal
23201570.73373
Surface area
1614938653536864
Volume
4.415777361777E+21
Space diagonal
28416004.764365
Perimeter
49217964
Area
1.1654815829303E+14
Altitude
14208002.382183
Surface area
1.1654815829303E+14
Volume
5.2040435278709E+20
Height
7733856.9112434