16400921 is an odd 8-digits composite number following 16400920
and preceding 16400922 . In scientific notation, it is written as 1.6400921 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 15835344 positive integers (up to 16400921) that are relatively prime to 16400921.
16400921 has 4 divisors, whose sum is 16966500
The reverse of 16400921 is 12900461
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
sixteen million four hundred thousand nine hundred twenty-one
Scientific notation
1.6400921 × 10^7
Engineering notation
1.6400921 × 10^6
Prime Factorization
29 × 565549
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16400921
Product of the distinct prime numbers
The prime factorization of 16400921 is 29 × 565549.
Since it has a total of 2 prime factors.
2 , 9 , 88 , 25 , 745 , 300 , 6650 , 3380 , 17292 , 61223 , 695800 , 117400 , 4778798 , 7582389 , 7403141 , 80636051 , 798235621 , 198696798 , 7683325965 , 6641889389
n×2
32801842
n×3
49202763
n×4
65603684
n×5
82004605
n÷2
8200460.5
n÷3
5466973.6666667
n÷3
4100230.25
n÷5
3280184.2
n2
268990209648241
n3
4.4116871782142E+21
n4
7.2355732886605E+28
n5
1.1867006589703E+36
2 √n
4049.8050570367
3 √n
254.07157447238
4 √n
63.638078671788
5 √n
27.731518268023
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
-16400920
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 16400921 can be divided by 4 positive divisors.
The sum of these divisors (counting 16400921) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110100100001000011001
3
Ternary
1010212020211112
4
Quaternary
332210020121
5
Quinary
13144312141
6
Senary
1343310105
8
Octal
76441031
10
Decimal
16400921
12
Duodecimal
55ab335
16
Hexadecimal
fa4219
20
Vigesimal
52a261
36
Base36
9rj15
md5
e5f466e50be1adcfd0620ffecc8a2599
sha1
33d98c44e2bf7cc831abfcdc780b506880cd6043
sha256
d0631b43dea90691b315e2884232bce7feb95b997065506c1d3808955f0f4832
sha512
375e4471e4c2c663e438481308bc3849944fd096b32b3f3cd2bcd2b9cbddfcdc21a66f2f14906e7a53548532fd539594cbcaa1994721cd92a3c2ffe651c8691a
ripemd-160
ef929ee4be3c73f3d5ee9cf01757a049e6ce5307
Diameter
32801842
Circumference
103050025.85141
Area
8.4505766651849E+14
Volume
1.8479632038686E+22
Surface area
3.380230666074E+15
Circumference
103050025.85141
Perimeter
65603684
Area
268990209648241
Diagonal
23194404.91361
Surface area
1613941257889446
Volume
4.4116871782142E+21
Space diagonal
28407228.462923
Perimeter
49202763
Area
1.1647617746234E+14
Altitude
14203614.231462
Surface area
1.1647617746234E+14
Volume
5.1992232003151E+20
Height
7731468.3045366