660991641 is an odd 9-digits composite number following 660991640
and preceding 660991642 . In scientific notation, it is written as 6.60991641 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 407903760 positive integers (up to 660991641) that are relatively prime to 660991641.
660991641 has 16 divisors, whose sum is 949309440
The reverse of 660991641 is 146199066
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred sixty million nine hundred ninety-one thousand six hundred forty-one
Scientific notation
6.60991641 × 10^8
Engineering notation
6.60991641 × 10^6
Prime Factorization
3 × 31 × 23 × 309019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
660991641
Product of the distinct prime numbers
The prime factorization of 660991641 is 3 × 31 × 23 × 309019.
Since it has a total of 4 prime factors.
10 , 5 , 6 , 49 , 432 , 412 , 7411 , 4895 , 36704 , 86241 , 575644 , 395085 , 5902787 , 8747877 , 23834319 , 5416977 , 373561383 , 646650432 , 6697041560 , 6607036104
n×2
1321983282
n×3
1982974923
n×4
2643966564
n×5
3304958205
n÷2
330495820.5
n÷3
220330547
n÷3
165247910.25
n÷5
132198328.2
n2
436909949471872881
n3
2.8879382447064E+26
n4
1.9089030394751E+35
n5
1.2617689525726E+44
2 √n
25709.757700142
3 √n
871.09460188858
4 √n
160.34262596123
5 √n
58.081683173059
1 , 3 , 23 , 31 , 69 , 93 , 713 , 2139 , 309019 , 927057 , 7107437 , 9579589 , 21322311 , 28738767 , 220330547 , 660991641
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
-660991640
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 660991641 can be divided by 16 positive divisors.
The sum of these divisors (counting 660991641) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011001011110111010011001
3
Ternary
1201001202212001220
4
Quaternary
213121132322121
5
Quinary
2323203213031
6
Senary
145331202253
8
Octal
4731367231
10
Decimal
660991641
12
Duodecimal
165446389
16
Hexadecimal
2765ee99
20
Vigesimal
a6b3j21
36
Base36
axjcex
md5
32a2a4a8968561e63b428411cef42b21
sha1
f5e1ef4812c08eb8f25ca3f821a1bdb7329723f8
sha256
d067ae816f760d8e1f5aea0024b5394570c0789fe8ea72d8fa52be7a906771ea
sha512
5a99f8259d39ac349b4c641886ee65645486c64f3d05d9ea439cc7322e40ff8075e3f8d8a1dca02a777af0fbb24115e68af9a9cbb97e8d59e73559697bbda901
ripemd-160
af0343ba2c9a765b27fbab6bc5496ba0eb9c7a98
Diameter
1321983282
Circumference
4153132966.8997
Area
1.3725930875411E+18
Volume
1.2096967431454E+27
Surface area
5.4903723501645E+18
Circumference
4153132966.8997
Perimeter
2643966564
Area
436909949471872881
Diagonal
934783343.31745
Surface area
2621459696831237286
Volume
2.8879382447064E+26
Space diagonal
1144871105.5903
Perimeter
1982974923
Area
1.8918755770441E+17
Altitude
572435552.79516
Surface area
1.8918755770441E+17
Volume
3.4034678607998E+25
Height
311594447.77248