661618042 is an even 9-digits composite number following 661618041
and preceding 661618043 . In scientific notation, it is written as 6.61618042 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 330809020 positive integers (up to 661618042) that are relatively prime to 661618042.
661618042 has 4 divisors, whose sum is 992427066
The reverse of 661618042 is 240816166
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
six hundred sixty-one million six hundred eighteen thousand forty-two
Scientific notation
6.61618042 × 10^8
Engineering notation
6.61618042 × 10^6
Prime Factorization
2 × 330809021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
661618042
Product of the distinct prime numbers
The prime factorization of 661618042 is 2 × 330809021.
Since it has a total of 2 prime factors.
1 , 2 , 97 , 20 , 594 , 967 , 6836 , 3199 , 80942 , 94873 , 331395 , 992647 , 7207805 , 9667262 , 70642374 , 7761865 , 785954796 , 310434197 , 9295891392 , 5672312847
n×2
1323236084
n×3
1984854126
n×4
2646472168
n×5
3308090210
n÷2
330809021
n÷3
220539347.33333
n÷3
165404510.5
n÷5
132323608.4
n2
437738433499913764
n3
2.8961564528036E+26
n4
1.9161493616296E+35
n5
1.2677589888209E+44
2 √n
25721.93697994
3 √n
871.36968466826
4 √n
160.38060038527
5 √n
58.092687439561
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
-661618041
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 661618042 can be divided by 4 positive divisors.
The sum of these divisors (counting 661618042) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011011110111110101111010
3
Ternary
1201002221200022221
4
Quaternary
213123313311322
5
Quinary
2323333234132
6
Senary
145352434254
8
Octal
4733676572
10
Decimal
661618042
12
Duodecimal
1656a898a
16
Hexadecimal
276f7d7a
20
Vigesimal
a6f2522
36
Base36
axwrqy
md5
b915e50cb18d17a0eeb90ab8014f9b59
sha1
20c83f960f7baaa5ad5e4fd6676990aa11f415f1
sha256
ff03d77ca34f407e9cffba6d31389f693868adcaccfbbce81b7712906dbca372
sha512
dc06c547a8ff3febd12838846004bfdf01b02ca91488c27cc09082463d9c7b1e05620a43c8844d26628de3ab13fb6db9f4bd659a5c87a5dec41bac134b497143
ripemd-160
cd3fd3ffe9f036c6d8785ccfbdb7e9fb4ac0b73e
Diameter
1323236084
Circumference
4157068760.4593
Area
1.3751958468772E+18
Volume
1.2131391781033E+27
Surface area
5.5007833875089E+18
Circumference
4157068760.4593
Perimeter
2646472168
Area
437738433499913764
Diagonal
935669208.10713
Surface area
2626430600999482584
Volume
2.8961564528036E+26
Space diagonal
1145956063.9482
Perimeter
1984854126
Area
1.8954630181187E+17
Altitude
572978031.97412
Surface area
1.8954630181187E+17
Volume
3.4131531119243E+25
Height
311889736.03571