16981904 is an even 8-digits composite number following 16981903
and preceding 16981905 . In scientific notation, it is written as 1.6981904 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 8293152 positive integers (up to 16981904) that are relatively prime to 16981904.
16981904 has 20 divisors, whose sum is 33668976
The reverse of 16981904 is 40918961
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixteen million nine hundred eighty-one thousand nine hundred four
Scientific notation
1.6981904 × 10^7
Engineering notation
1.6981904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 43 × 24683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2122738
Product of the distinct prime numbers
The prime factorization of 16981904 is 2 × 2 × 2 × 2 × 43 × 24683.
Since it has a total of 6 prime factors.
7 , 5 , 73 , 16 , 430 , 288 , 590 , 1907 , 72753 , 42600 , 691152 , 191677 , 4723450 , 7533585 , 28112937 , 40654690 , 98721994 , 121274067 , 9966459551 , 1372420046
n×2
33963808
n×3
50945712
n×4
67927616
n×5
84909520
n÷2
8490952
n÷3
5660634.6666667
n÷3
4245476
n÷5
3396380.8
n2
288385063465216
n3
4.8973274628002E+21
n4
8.3165944829837E+28
n5
1.4123160911696E+36
2 √n
4120.9105789862
3 √n
257.03689155339
4 √n
64.19431889962
5 √n
27.925263276492
1 , 2 , 4 , 8 , 16 , 43 , 86 , 172 , 344 , 688 , 24683 , 49366 , 98732 , 197464 , 394928 , 1061369 , 2122738 , 4245476 , 8490952 , 16981904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16981903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16981904 can be divided by 20 positive divisors.
The sum of these divisors (counting 16981904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000000110001111110010000
3
Ternary
1011221202210102
4
Quaternary
1000301332100
5
Quinary
13321410104
6
Senary
1403551532
8
Octal
100617620
10
Decimal
16981904
12
Duodecimal
582b5a8
16
Hexadecimal
1031f90
20
Vigesimal
562ef4
36
Base36
a3zbk
md5
45f81dc5be6791812e79ce0444d31474
sha1
b908cb8959af4c5d9b76be683593972ed6fa1321
sha256
b68d786881c0d2073bcd8324f72637d0c70678eccbcdb2adeeecfe5f2ce6b49f
sha512
98975bbe16d6a2e8fdd62b1046da7b7cd7baca8f90f058a18627f2a2b14dee7f7c8ed43fc7d2dc441c10c7fdbbeedd19e00d6d1275eac4b392938879264d60ba
ripemd-160
f4b84df10e7417acffee0760e5e557941fe76a9c
Diameter
33963808
Circumference
106700449.70073
Area
9.0598839678735E+14
Volume
2.0513877305809E+22
Surface area
3.6239535871494E+15
Circumference
106700449.70073
Perimeter
67927616
Area
288385063465216
Diagonal
24016038.951718
Surface area
1730310380791296
Volume
4.8973274628002E+21
Space diagonal
29413520.537257
Perimeter
50945712
Area
1.2487439551643E+14
Altitude
14706760.268629
Surface area
1.2487439551643E+14
Volume
5.7715557643952E+20
Height
8005346.3172393