16689991 is an odd 8-digits composite number following 16689990
and preceding 16689992 . In scientific notation, it is written as 1.6689991 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 16646032 positive integers (up to 16689991) that are relatively prime to 16689991.
16689991 has 4 divisors, whose sum is 16733952
The reverse of 16689991 is 19998661
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixteen million six hundred eighty-nine thousand nine hundred ninety-one
Scientific notation
1.6689991 × 10^7
Engineering notation
1.6689991 × 10^6
Prime Factorization
383 × 43577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16689991
Product of the distinct prime numbers
The prime factorization of 16689991 is 383 × 43577.
Since it has a total of 2 prime factors.
9 , 4 , 70 , 27 , 258 , 872 , 8744 , 9638 , 105 , 89086 , 989973 , 135803 , 4640293 , 8648724 , 1762449 , 44091932 , 43854954 , 749989839 , 2072119337 , 3757400711
n×2
33379982
n×3
50069973
n×4
66759964
n×5
83449955
n÷2
8344995.5
n÷3
5563330.3333333
n÷3
4172497.75
n÷5
3337998.2
n2
278555799580081
n3
4.6490937879894E+21
n4
7.7593333479698E+28
n5
1.2950320374362E+36
2 √n
4085.3385416633
3 √n
255.55557963313
4 √n
63.916653085588
5 √n
27.828591162526
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
-16689990
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 16689991 can be divided by 4 positive divisors.
The sum of these divisors (counting 16689991) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111101010101101000111
3
Ternary
1011101221100211
4
Quaternary
333222231013
5
Quinary
13233034431
6
Senary
1353420251
8
Octal
77525507
10
Decimal
16689991
12
Duodecimal
570a687
16
Hexadecimal
feab47
20
Vigesimal
5464jb
36
Base36
9xq2v
md5
b40e214b3fa89f30962ae773baacd5b4
sha1
65ad9b362e0e81bec6c2765bbfed76ac7646506c
sha256
f24836fe9f16da2ab472a9e72bfabdedeab10a6bc80cdd7145dd93905c5b909f
sha512
7d75fd8dd4be4eca258c5c86537188d2d8f5564cf633d45a74c094ecd09a10687439515fb6b9be01f9e7989d1aa89fb607f904961e23c60d05895aa2ac591b25
ripemd-160
899de89b8616da898b7a9425be684a51a671ce28
Diameter
33379982
Circumference
104866306.22816
Area
8.7510885357561E+14
Volume
1.9474078520263E+22
Surface area
3.5004354143025E+15
Circumference
104866306.22816
Perimeter
66759964
Area
278555799580081
Diagonal
23603211.628085
Surface area
1671334797480486
Volume
4.6490937879894E+21
Space diagonal
28907912.389867
Perimeter
50069973
Area
1.2061819940392E+14
Altitude
14453956.194934
Surface area
1.2061819940392E+14
Volume
5.4790095730992E+20
Height
7867737.2093616