16681645 is an odd 8-digits composite number following 16681644
and preceding 16681646 . In scientific notation, it is written as 1.6681645 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 13330704 positive integers (up to 16681645) that are relatively prime to 16681645.
16681645 has 8 divisors, whose sum is 20039904
The reverse of 16681645 is 54618661
Previous prime number is 1867
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixteen million six hundred eighty-one thousand six hundred forty-five
Scientific notation
1.6681645 × 10^7
Engineering notation
1.6681645 × 10^6
Prime Factorization
5 × 1867 × 1787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16681645
Product of the distinct prime numbers
The prime factorization of 16681645 is 5 × 1867 × 1787.
Since it has a total of 3 prime factors.
7 , 10 , 29 , 13 , 158 , 88 , 109 , 5812 , 41003 , 17136 , 245662 , 870533 , 4252160 , 986282 , 52232558 , 87777045 , 941544425 , 426529197 , 8321458412 , 3064771810
n×2
33363290
n×3
50044935
n×4
66726580
n×5
83408225
n÷2
8340822.5
n÷3
5560548.3333333
n÷3
4170411.25
n÷5
3336329
n2
278277279906025
n3
4.6421227949579E+21
n4
7.7438244511896E+28
n5
1.2917973043707E+36
2 √n
4084.3169563588
3 √n
255.51297480714
4 √n
63.908661043389
5 √n
27.82580741156
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16681644
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16681645 can be divided by 8 positive divisors.
The sum of these divisors (counting 16681645) is 1, the average is 0.125.
Base
System
Value
2
Binary
111111101000101010101101
3
Ternary
1011101111220201
4
Quaternary
333220222231
5
Quinary
13232303040
6
Senary
1353313501
8
Octal
77505255
10
Decimal
16681645
12
Duodecimal
5705891
16
Hexadecimal
fe8aad
20
Vigesimal
545425
36
Base36
9xjn1
md5
ef5dcebc3b72a52354ea18f68c7bb103
sha1
59bf4b46436b387955c32778f3e289e10db8e8c9
sha256
d5793d7a3b7543a7ed47abc820ae3f65066e9d44b12f5737955cb4c1256be407
sha512
f3833f39698526ac559ee48de6aaf0f4b7cc65460f9eaf85e80498222bcfc4786caa69a418da9b9267acfdf881f617834d80072a38963bf8ac47559cc40afd06
ripemd-160
e85922a08ce33bed76803c6743924d57d923a534
Diameter
33363290
Circumference
104813866.76359
Area
8.7423385821372E+14
Volume
1.9444878492935E+22
Surface area
3.4969354328549E+15
Circumference
104813866.76359
Perimeter
66726580
Area
278277279906025
Diagonal
23591408.601693
Surface area
1669663679436150
Volume
4.6421227949579E+21
Space diagonal
28893456.693827
Perimeter
50044935
Area
1.2049759684733E+14
Altitude
14446728.346914
Surface area
1.2049759684733E+14
Volume
5.4707941790257E+20
Height
7863802.8672311