66697816 is an even 8-digits composite number following 66697815
and preceding 66697817 . In scientific notation, it is written as 6.6697816 × 10^7.
The sum of its digits is 49. It has a total of 6 prime factors and 32 positive divisors.
There are 31772160 positive integers (up to 66697816) that are relatively prime to 66697816.
66697816 has 32 divisors, whose sum is 131115600
The reverse of 66697816 is 61879666
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-six million six hundred ninety-seven thousand eight hundred sixteen
Scientific notation
6.6697816 × 10^7
Engineering notation
6.6697816 × 10^6
Prime Factorization
2 × 2 × 2 × 43 × 41 × 4729
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16674454
Product of the distinct prime numbers
The prime factorization of 66697816 is 2 × 2 × 2 × 43 × 41 × 4729.
Since it has a total of 6 prime factors.
4 , 6 , 78 , 83 , 315 , 888 , 8887 , 7899 , 94976 , 98204 , 807528 , 250976 , 9016667 , 6790340 , 75839477 , 31792655 , 81007876 , 847008835 , 4830807177 , 5341011713
n×2
133395632
n×3
200093448
n×4
266791264
n×5
333489080
n÷2
33348908
n÷3
22232605.333333
n÷3
16674454
n÷5
13339563.2
n2
4448598659169856
n3
2.9671181482716E+23
n4
1.9790030030368E+31
n5
1.3199517815999E+39
2 √n
8166.8730858267
3 √n
405.54327538416
4 √n
90.370753487103
5 √n
36.713206972796
1 , 2 , 4 , 8 , 41 , 43 , 82 , 86 , 164 , 172 , 328 , 344 , 1763 , 3526 , 4729 , 7052 , 9458 , 14104 , 18916 , 37832 , 193889 , 203347 , 387778 , 406694 , 775556 , 813388 , 1551112 , 1626776 , 8337227 , 16674454 , 33348908 , 66697816
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
-66697815
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 66697816 can be divided by 32 positive divisors.
The sum of these divisors (counting 66697816) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111110011011101001011000
3
Ternary
11122111121012111
4
Quaternary
3332123221120
5
Quinary
114033312231
6
Senary
10341322104
8
Octal
376335130
10
Decimal
66697816
12
Duodecimal
1a406334
16
Hexadecimal
3f9ba58
20
Vigesimal
10gh4ag
36
Base36
13pkd4
md5
a281071bdc032333be8fe03076910182
sha1
9932c1a9aecaded81c8860dc5efb03e895ba99b9
sha256
3d5e66c9e8b4036faa6a719a698821d9844e3bf09a264fd604398d9a8001b40a
sha512
485ec202a143148d66cb6befb63184efff7ea46529e9438489c31697605448c2121a38af69a4ef2c71189ac9141cd6624d80a5301e22918552af21ca3b471350
ripemd-160
40471a28ef2d94c6fb4ea8375bc69a878fcd38db
Diameter
133395632
Circumference
419074737.51217
Area
1.3975684866417E+16
Volume
1.2428635435924E+24
Surface area
5.590273946567E+16
Circumference
419074737.51217
Perimeter
266791264
Area
4448598659169856
Diagonal
94324955.967865
Surface area
26691591955019136
Volume
2.9671181482716E+23
Space diagonal
115524006.06588
Perimeter
200093448
Area
1.9262997250412E+15
Altitude
57762003.03294
Surface area
1.9262997250412E+15
Volume
3.4967822720408E+22
Height
31441651.989288