16516981 is an odd 8-digits composite number following 16516980
and preceding 16516982 . In scientific notation, it is written as 1.6516981 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 15246432 positive integers (up to 16516981) that are relatively prime to 16516981.
16516981 has 4 divisors, whose sum is 17787532
The reverse of 16516981 is 18961561
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixteen million five hundred sixteen thousand nine hundred eighty-one
Scientific notation
1.6516981 × 10^7
Engineering notation
1.6516981 × 10^6
Prime Factorization
13 × 1270537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16516981
Product of the distinct prime numbers
The prime factorization of 16516981 is 13 × 1270537.
Since it has a total of 2 prime factors.
2 , 5 , 22 , 43 , 254 , 284 , 4046 , 7666 , 11124 , 75124 , 244969 , 876672 , 379874 , 6100943 , 37429929 , 99574763 , 793064358 , 470795677 , 8279292051 , 3430266316
n×2
33033962
n×3
49550943
n×4
66067924
n×5
82584905
n÷2
8258490.5
n÷3
5505660.3333333
n÷3
4129245.25
n÷5
3303396.2
n2
272810661354361
n3
4.5060085101874E+21
n4
7.4425656948604E+28
n5
1.2292871617326E+36
2 √n
4064.1088814155
3 √n
254.66947308141
4 √n
63.75036377477
5 √n
27.770655682873
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
-16516980
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 16516981 can be divided by 4 positive divisors.
The sum of these divisors (counting 16516981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111000000011101110101
3
Ternary
1011002011001001
4
Quaternary
333000131311
5
Quinary
13212020411
6
Senary
1350003301
8
Octal
77003565
10
Decimal
16516981
12
Duodecimal
5646531
16
Hexadecimal
fc0775
20
Vigesimal
534c91
36
Base36
9u0l1
md5
17d4e5fa9882c288da65ab78baaf0975
sha1
ad2ae6f5275e1f527fbc82d06dc3e23bacdb375a
sha256
93c34980d868f21fcd59ee04efbcd90953a578d4607fd009660f61be00a941ca
sha512
d8fd5949f68dc34fd45c424617948d9b700bd7890e548dc14c49832d5865f072e039191d572aed7eb394a24ca8d34c90e1934619e07295c5ac141c0dc8f36bae
ripemd-160
e1c068af9cebb3506de29a96804ed975a21c58e5
Diameter
33033962
Circumference
103779252.33816
Area
8.5705996953183E+14
Volume
1.8874724310157E+22
Surface area
3.4282398781273E+15
Circumference
103779252.33816
Perimeter
66067924
Area
272810661354361
Diagonal
23358538.539659
Surface area
1636863968126166
Volume
4.5060085101874E+21
Space diagonal
28608250.27965
Perimeter
49550943
Area
1.1813048157806E+14
Altitude
14304125.139825
Surface area
1.1813048157806E+14
Volume
5.310381956063E+20
Height
7786179.5132196