16616981 is an odd 8-digits composite number following 16616980
and preceding 16616982 . In scientific notation, it is written as 1.6616981 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 16586592 positive integers (up to 16616981) that are relatively prime to 16616981.
16616981 has 4 divisors, whose sum is 16647372
The reverse of 16616981 is 18961661
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixteen million six hundred sixteen thousand nine hundred eighty-one
Scientific notation
1.6616981 × 10^7
Engineering notation
1.6616981 × 10^6
Prime Factorization
557 × 29833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16616981
Product of the distinct prime numbers
The prime factorization of 16616981 is 557 × 29833.
Since it has a total of 2 prime factors.
1 , 3 , 75 , 95 , 384 , 387 , 6239 , 1473 , 40911 , 8090 , 457072 , 294135 , 6888556 , 120682 , 53578915 , 15602047 , 880230315 , 75379181 , 5954808286 , 6413923538
n×2
33233962
n×3
49850943
n×4
66467924
n×5
83084905
n÷2
8308490.5
n÷3
5538993.6666667
n÷3
4154245.25
n÷5
3323396.2
n2
276124057554361
n3
4.5883482180237E+21
n4
7.6244495160284E+28
n5
1.266953327433E+36
2 √n
4076.3931360947
3 √n
255.18239417758
4 √n
63.8466376256
5 √n
27.804201335522
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
-16616980
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 16616981 can be divided by 4 positive divisors.
The sum of these divisors (counting 16616981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111011000111000010101
3
Ternary
1011021020012202
4
Quaternary
333120320111
5
Quinary
13223220411
6
Senary
1352054245
8
Octal
77307025
10
Decimal
16616981
12
Duodecimal
5694385
16
Hexadecimal
fd8e15
20
Vigesimal
53h291
36
Base36
9w5qt
md5
45eab0e74cb7bb14faf7343218c232a2
sha1
e6b599929b24921d155466127a25b2771cca30c9
sha256
e1dacf85f03fe516b54472159aa97e979d2728e11f73895c5ddae8491b02357d
sha512
0d92666a631809dafb9337fed9fa314af2df7325816880d89a52931622fecbda579f894e911ce2fc929ed60447c01517e373c5df1a8a66628ceca3ba5d773cdd
ripemd-160
3effd6f317ae51313087fc4c3334a3af6be85f70
Diameter
33233962
Circumference
104407570.86888
Area
8.6746931069219E+14
Volume
1.9219628071807E+22
Surface area
3.4698772427687E+15
Circumference
104407570.86888
Perimeter
66467924
Area
276124057554361
Diagonal
23499959.895896
Surface area
1656744345326166
Volume
4.5883482180237E+21
Space diagonal
28781455.360407
Perimeter
49850943
Area
1.1956522421906E+14
Altitude
14390727.680203
Surface area
1.1956522421906E+14
Volume
5.4074202323496E+20
Height
7833319.9652987