16921491 is an odd 8-digits composite number following 16921490
and preceding 16921492 . In scientific notation, it is written as 1.6921491 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 10746560 positive integers (up to 16921491) that are relatively prime to 16921491.
16921491 has 16 divisors, whose sum is 23639040
The reverse of 16921491 is 19412961
Previous prime number is 569
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixteen million nine hundred twenty-one thousand four hundred ninety-one
Scientific notation
1.6921491 × 10^7
Engineering notation
1.6921491 × 10^6
Prime Factorization
3 × 23 × 569 × 431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16921491
Product of the distinct prime numbers
The prime factorization of 16921491 is 3 × 23 × 569 × 431.
Since it has a total of 4 prime factors.
8 , 6 , 89 , 25 , 204 , 683 , 5408 , 8700 , 87851 , 64118 , 807773 , 404785 , 511716 , 6824890 , 81692704 , 35598178 , 416007009 , 410768847 , 427874178 , 7990486784
n×2
33842982
n×3
50764473
n×4
67685964
n×5
84607455
n÷2
8460745.5
n÷3
5640497
n÷3
4230372.75
n÷5
3384298.2
n2
286336857663081
n3
4.8452465599141E+21
n4
8.1988796056368E+28
n5
1.3873726745687E+36
2 √n
4113.5739935001
3 √n
256.73172710245
4 √n
64.137149870415
5 √n
27.905366158559
1 , 3 , 23 , 69 , 431 , 569 , 1293 , 1707 , 9913 , 13087 , 29739 , 39261 , 245239 , 735717 , 5640497 , 16921491
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
-16921490
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 16921491 can be divided by 16 positive divisors.
The sum of these divisors (counting 16921491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000000100011001110010011
3
Ternary
1011211200220220
4
Quaternary
1000203032103
5
Quinary
13312441431
6
Senary
1402404123
8
Octal
100431623
10
Decimal
16921491
12
Duodecimal
5800643
16
Hexadecimal
1023393
20
Vigesimal
55f3eb
36
Base36
a2opf
md5
5491467faa2e05c2a11d72ab14f9f529
sha1
a8649d8d36c6ba042ed2454d61b308efb4696764
sha256
5f5a360c6c89d007ca10ba2d1b67d5a8183f1026ae31fc061c5e50af3b1d7746
sha512
8dca6e5cb422c5ff35f4d1c721247acaf0e17bb757ea42e171e8286386555429766ee676bde6a268b54cc1e3984df5f244def03290a5b9e46a956627cd1c90c9
ripemd-160
60dfeabad46d11026819620150f7c73a4d90bb6d
Diameter
33842982
Circumference
106320863.62677
Area
8.9955376848632E+14
Volume
2.0295721329943E+22
Surface area
3.5982150739453E+15
Circumference
106320863.62677
Perimeter
67685964
Area
286336857663081
Diagonal
23930602.067774
Surface area
1718021145978486
Volume
4.8452465599141E+21
Space diagonal
29308882.151819
Perimeter
50764473
Area
1.2398749638802E+14
Altitude
14654441.07591
Surface area
1.2398749638802E+14
Volume
5.7101778317268E+20
Height
7976867.3559248