16401978 is an even 8-digits composite number following 16401977
and preceding 16401979 . In scientific notation, it is written as 1.6401978 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 5132160 positive integers (up to 16401978) that are relatively prime to 16401978.
16401978 has 16 divisors, whose sum is 24974400
The reverse of 16401978 is 87910461
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixteen million four hundred one thousand nine hundred seventy-eight
Scientific notation
1.6401978 × 10^7
Engineering notation
1.6401978 × 10^6
Prime Factorization
2 × 171 × 241 × 199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16401978
Product of the distinct prime numbers
The prime factorization of 16401978 is 2 × 171 × 241 × 199.
Since it has a total of 4 prime factors.
1 , 9 , 82 , 100 , 393 , 916 , 8680 , 3753 , 86934 , 80535 , 670537 , 630855 , 9089686 , 5382489 , 9788113 , 15625862 , 104213965 , 569193286 , 5847873229 , 2904990071
n×2
32803956
n×3
49205934
n×4
65607912
n×5
82009890
n÷2
8200989
n÷3
5467326
n÷3
4100494.5
n÷5
3280395.6
n2
269024882312484
n3
4.412540201142E+21
n4
7.2374387303246E+28
n5
1.1870831083113E+36
2 √n
4049.9355550428
3 √n
254.07703245621
4 √n
63.639103977372
5 √n
27.73187570477
1 , 2 , 171 , 199 , 241 , 342 , 398 , 482 , 34029 , 41211 , 47959 , 68058 , 82422 , 95918 , 8200989 , 16401978
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
-16401977
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 16401978 can be divided by 16 positive divisors.
The sum of these divisors (counting 16401978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100100011000111010
3
Ternary
1010212022021200
4
Quaternary
332210120322
5
Quinary
13144330403
6
Senary
1343315030
8
Octal
76443072
10
Decimal
16401978
12
Duodecimal
55aba76
16
Hexadecimal
fa463a
20
Vigesimal
52a4ii
36
Base36
9rjui
md5
8da3b6f9b1f0f1e552cf092769b32944
sha1
a78e11a351e6549c98ed61908b3b01105e52de54
sha256
a6bd86f6613547cea8e38c58dd92ea5f27603a0251b137ee0a011bdb31684f4d
sha512
54346c0a149f519e7c7c1a0c99c315afb465e1749d45e446e6e22f7190bc5ab1e0e0bb84e67840ac269ac12a0172160bfd0d6574b872f973bb9c4ff82eab45cf
ripemd-160
5978dc28dde91c52d59a8d53286f4f1d561f8f5b
Diameter
32803956
Circumference
103056667.17828
Area
8.4516659390576E+14
Volume
1.848320517277E+22
Surface area
3.380666375623E+15
Circumference
103056667.17828
Perimeter
65607912
Area
269024882312484
Diagonal
23195899.737345
Surface area
1614149293874904
Volume
4.412540201142E+21
Space diagonal
28409059.240627
Perimeter
49205934
Area
1.1649119116637E+14
Altitude
14204529.620313
Surface area
1.1649119116637E+14
Volume
5.2002284974762E+20
Height
7731966.579115