16681640 is an even 8-digits composite number following 16681639
and preceding 16681641 . In scientific notation, it is written as 1.6681640 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 6586944 positive integers (up to 16681640) that are relatively prime to 16681640.
16681640 has 32 divisors, whose sum is 38016000
The reverse of 16681640 is 04618661
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixteen million six hundred eighty-one thousand six hundred forty
Scientific notation
1.6681640 × 10^7
Engineering notation
1.6681640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 79 × 5279
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4170410
Product of the distinct prime numbers
The prime factorization of 16681640 is 2 × 2 × 2 × 5 × 79 × 5279.
Since it has a total of 6 prime factors.
9 , 9 , 68 , 27 , 244 , 662 , 2302 , 9988 , 5466 , 1649 , 952056 , 46 , 842405 , 7780986 , 85467640 , 86039549 , 175866458 , 43862810 , 5697920657 , 2100613023
n×2
33363280
n×3
50044920
n×4
66726560
n×5
83408200
n÷2
8340820
n÷3
5560546.6666667
n÷3
4170410
n÷5
3336328
n2
278277113089600
n3
4.6421186208E+21
n4
7.7438151669482E+28
n5
1.2917953684157E+36
2 √n
4084.3163442613
3 √n
255.51294927878
4 √n
63.908656254543
5 √n
27.825805743511
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 79 , 158 , 316 , 395 , 632 , 790 , 1580 , 3160 , 5279 , 10558 , 21116 , 26395 , 42232 , 52790 , 105580 , 211160 , 417041 , 834082 , 1668164 , 2085205 , 3336328 , 4170410 , 8340820 , 16681640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16681639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16681640 can be divided by 32 positive divisors.
The sum of these divisors (counting 16681640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111111101000101010101000
3
Ternary
1011101111220112
4
Quaternary
333220222220
5
Quinary
13232303030
6
Senary
1353313452
8
Octal
77505250
10
Decimal
16681640
12
Duodecimal
5705888
16
Hexadecimal
fe8aa8
20
Vigesimal
545420
36
Base36
9xjmw
md5
d1a37aa8a4cc2ff480a22d25eece0a74
sha1
7f20fc9556245dae6a3a62f746424efc70686325
sha256
a7eb418e637ecd42fdcac557fe3cd24b5fd19b8da2ee748eb12e09cdc90fcdec
sha512
d3a913c3797d3069233573e2bd936d0f10f50f062579f38bd83a700cef2bbf1af1f7615eaf1bc5baa91e34cdce43d737401a3c9a2174aff7bb9bcc33b13fbe4f
ripemd-160
0b4de377c20d1ccca00451be1cf4b94142d73371
Diameter
33363280
Circumference
104813835.34766
Area
8.7423333414446E+14
Volume
1.9444861008264E+22
Surface area
3.4969333365779E+15
Circumference
104813835.34766
Perimeter
66726560
Area
278277113089600
Diagonal
23591401.530626
Surface area
1669662678537600
Volume
4.6421186208E+21
Space diagonal
28893448.033573
Perimeter
50044920
Area
1.2049752461369E+14
Altitude
14446724.016787
Surface area
1.2049752461369E+14
Volume
5.4707892597334E+20
Height
7863800.5102085