16405978 is an even 8-digits composite number following 16405977
and preceding 16405979 . In scientific notation, it is written as 1.6405978 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 8202988 positive integers (up to 16405978) that are relatively prime to 16405978.
16405978 has 4 divisors, whose sum is 24608970
The reverse of 16405978 is 87950461
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixteen million four hundred five thousand nine hundred seventy-eight
Scientific notation
1.6405978 × 10^7
Engineering notation
1.6405978 × 10^6
Prime Factorization
2 × 8202989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16405978
Product of the distinct prime numbers
The prime factorization of 16405978 is 2 × 8202989.
Since it has a total of 2 prime factors.
1 , 8 , 1 , 56 , 278 , 388 , 5297 , 4984 , 19068 , 33631 , 423663 , 366979 , 6770019 , 8307886 , 94335426 , 26291319 , 594906115 , 469022069 , 5890613924 , 1055958786
n×2
32811956
n×3
49217934
n×4
65623912
n×5
82029890
n÷2
8202989
n÷3
5468659.3333333
n÷3
4101494.5
n÷5
3281195.6
n2
269156114136484
n3
4.4157692870886E+21
n4
7.2445013777052E+28
n5
1.188531302236E+36
2 √n
4050.4293599568
3 √n
254.09768495565
4 √n
63.642983587799
5 √n
27.733228184129
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16405977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16405978 can be divided by 4 positive divisors.
The sum of these divisors (counting 16405978) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110100101010111011010
3
Ternary
1010212111202211
4
Quaternary
332211113122
5
Quinary
13144442403
6
Senary
1343345334
8
Octal
76452732
10
Decimal
16405978
12
Duodecimal
55b224a
16
Hexadecimal
fa55da
20
Vigesimal
52aeii
36
Base36
9rmxm
md5
1d9f423abcf970f3222c3963f843f736
sha1
8ab77057409cf29163463aebec6d3acd55d32e27
sha256
1fdc712de45a55376c61cde2408354780f52b8516fd9b6ec5f2c927d56e21c74
sha512
4bf7166ce597298804f265e3a7181d35151c79ecd4a9de45ffafab8afef0258d85d6821681727554d8f0ab757bbd973c828413844d5936b2664553cfba4bea8d
ripemd-160
14bdaf7ef458ef058556bb119d4c0618fc52fc2b
Diameter
32811956
Circumference
103081799.91951
Area
8.4557887083995E+14
Volume
1.8496731136354E+22
Surface area
3.3823154833598E+15
Circumference
103081799.91951
Perimeter
65623912
Area
269156114136484
Diagonal
23201556.591595
Surface area
1614936684818904
Volume
4.4157692870886E+21
Space diagonal
28415987.443857
Perimeter
49217934
Area
1.1654801621305E+14
Altitude
14207993.721929
Surface area
1.1654801621305E+14
Volume
5.2040340117594E+20
Height
7733852.1971982