16393881 is an odd 8-digits composite number following 16393880
and preceding 16393882 . In scientific notation, it is written as 1.6393881 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 9307872 positive integers (up to 16393881) that are relatively prime to 16393881.
16393881 has 16 divisors, whose sum is 19754240
The reverse of 16393881 is 18839361
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixteen million three hundred ninety-three thousand eight hundred eighty-one
Scientific notation
1.6393881 × 10^7
Engineering notation
1.6393881 × 10^6
Prime Factorization
7 × 21 × 229 × 487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16393881
Product of the distinct prime numbers
The prime factorization of 16393881 is 7 × 21 × 229 × 487.
Since it has a total of 4 prime factors.
3 , 4 , 55 , 88 , 322 , 141 , 1776 , 5796 , 29829 , 55553 , 174936 , 376311 , 8193944 , 5774783 , 72754373 , 88276874 , 26285606 , 427056201 , 3316560271 , 4499556205
n×2
32787762
n×3
49181643
n×4
65575524
n×5
81969405
n÷2
8196940.5
n÷3
5464627
n÷3
4098470.25
n÷5
3278776.2
n2
268759334242161
n3
4.4060085432052E+21
n4
7.223157974229E+28
n5
1.1841559227371E+36
2 √n
4048.9357861048
3 √n
254.03521635424
4 √n
63.631248503426
5 √n
27.729137140552
1 , 7 , 21 , 147 , 229 , 487 , 1603 , 3409 , 4809 , 10227 , 33663 , 71589 , 111523 , 780661 , 2341983 , 16393881
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
-16393880
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 16393881 can be divided by 16 positive divisors.
The sum of these divisors (counting 16393881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100010011010011001
3
Ternary
1010211220011210
4
Quaternary
332202122121
5
Quinary
13144101011
6
Senary
1343213333
8
Octal
76423231
10
Decimal
16393881
12
Duodecimal
55a7249
16
Hexadecimal
fa2699
20
Vigesimal
5294e1
36
Base36
9rdll
md5
0bc3e1747343442ebd64a5f6e2b64264
sha1
b2abbf364412400154819828a98e931a670ea1d2
sha256
a26190282b9c3913ad28e32cd02ee2631b5f2cc8d336907eea0a7dd20bfcb5ac
sha512
beb337a268e6af846869938aac2acac285544bac7b43fa244cea5c99a23b5aa6fd8310e1755be93af9589e422863e4600f28a6c786622ee6da84ed0a7cc96545
ripemd-160
7189d4cce87b2fc208544b0f81e2ab21d7dd6dcf
Diameter
32787762
Circumference
103005792.22685
Area
8.4433235003886E+14
Volume
1.8455845427983E+22
Surface area
3.3773294001554E+15
Circumference
103005792.22685
Perimeter
65575524
Area
268759334242161
Diagonal
23184448.850131
Surface area
1612556005452966
Volume
4.4060085432052E+21
Space diagonal
28395034.825238
Perimeter
49181643
Area
1.1637620547895E+14
Altitude
14197517.412619
Surface area
1.1637620547895E+14
Volume
5.1925308647771E+20
Height
7728149.6167102