16397921 is an odd 8-digits composite number following 16397920
and preceding 16397922 . In scientific notation, it is written as 1.6397921 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 16016532 positive integers (up to 16397921) that are relatively prime to 16397921.
16397921 has 4 divisors, whose sum is 16779312
The reverse of 16397921 is 12979361
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixteen million three hundred ninety-seven thousand nine hundred twenty-one
Scientific notation
1.6397921 × 10^7
Engineering notation
1.6397921 × 10^6
Prime Factorization
43 × 381347
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16397921
Product of the distinct prime numbers
The prime factorization of 16397921 is 43 × 381347.
Since it has a total of 2 prime factors.
5 , 9 , 40 , 61 , 687 , 408 , 7679 , 654 , 38767 , 13309 , 859980 , 496476 , 8357646 , 717994 , 97031704 , 34000812 , 26169926 , 7705215 , 187555770 , 674254513
n×2
32795842
n×3
49193763
n×4
65591684
n×5
81989605
n÷2
8198960.5
n÷3
5465973.6666667
n÷3
4099480.25
n÷5
3279584.2
n2
268891813122241
n3
4.4092667091253E+21
n4
7.2302807164166E+28
n5
1.1856157199562E+36
2 √n
4049.434651899
3 √n
254.05608222854
4 √n
63.635168357591
5 √n
27.730503683019
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
-16397920
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 16397921 can be divided by 4 positive divisors.
The sum of these divisors (counting 16397921) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110100011011001100001
3
Ternary
1010212002201102
4
Quaternary
332203121201
5
Quinary
13144213141
6
Senary
1343244145
8
Octal
76433141
10
Decimal
16397921
12
Duodecimal
55a9655
16
Hexadecimal
fa3661
20
Vigesimal
529eg1
36
Base36
9rgpt
md5
73f377002b863893a01d4bd967de76c3
sha1
bc8e50ec2e4b59a782c7982c29d2aaad082a910c
sha256
48fb38178653f98c569189c7b45fd657fe1270dd85acb0473cf6f47447e482dc
sha512
859652624211c394874bc0a12c0cd15925ca6cd738e3d36916c3f1a27bf780b01052305afc6f887a73b9c9b5506b1a0ec48e28b8db3e0607bf1b818067a3578b
ripemd-160
15ca7cf998734c8366de0f32731eaab2f5b48c3a
Diameter
32795842
Circumference
103031176.29549
Area
8.4474854471527E+14
Volume
1.8469493201475E+22
Surface area
3.3789941788611E+15
Circumference
103031176.29549
Perimeter
65591684
Area
268891813122241
Diagonal
23190162.272923
Surface area
1613350878733446
Volume
4.4092667091253E+21
Space diagonal
28402032.310501
Perimeter
49193763
Area
1.1643357051676E+14
Altitude
14201016.15525
Surface area
1.1643357051676E+14
Volume
5.1963706501376E+20
Height
7730054.0909742