661639274 is an even 9-digits composite number following 661639273
and preceding 661639275 . In scientific notation, it is written as 6.61639274 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 330384160 positive integers (up to 661639274) that are relatively prime to 661639274.
661639274 has 8 divisors, whose sum is 993765348
The reverse of 661639274 is 472936166
Previous prime number is 761
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred sixty-one million six hundred thirty-nine thousand two hundred seventy-four
Scientific notation
6.61639274 × 10^8
Engineering notation
6.61639274 × 10^6
Prime Factorization
2 × 761 × 434717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661639274
Product of the distinct prime numbers
The prime factorization of 661639274 is 2 × 761 × 434717.
Since it has a total of 3 prime factors.
7 , 5 , 41 , 6 , 818 , 687 , 9933 , 4927 , 36558 , 52551 , 903765 , 611285 , 7382389 , 9854554 , 42478397 , 21227641 , 175143088 , 781258673 , 1520286737 , 92101768
n×2
1323278548
n×3
1984917822
n×4
2646557096
n×5
3308196370
n÷2
330819637
n÷3
220546424.66667
n÷3
165409818.5
n÷5
132327854.8
n2
437766528899247076
n3
2.896435283624E+26
n4
1.916395338245E+35
n5
1.2679624202934E+44
2 √n
25722.349698268
3 √n
871.37900561684
4 √n
160.38188706418
5 √n
58.093060285532
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
-661639273
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 661639274 can be divided by 8 positive divisors.
The sum of these divisors (counting 661639274) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011011111101000001101010
3
Ternary
1201002222202110022
4
Quaternary
213123331001222
5
Quinary
2323334424044
6
Senary
145353120442
8
Octal
4733750152
10
Decimal
661639274
12
Duodecimal
1656b9122
16
Hexadecimal
276fd06a
20
Vigesimal
a6f4i3e
36
Base36
axx84q
md5
20b30dc4477d50fa9f19713fbae28792
sha1
81e0f85538ed9ecf02b46852bdd936099944216c
sha256
f5e1b087fe6396bf4fa9b47d63144c6786b81f4eccde5e63483f4e4d9f9338f1
sha512
844385e8444499c62c42490986a807fa8aae51e4aaed1e56ca342a5fc75083273b17418a7bdc90a9268cfebcb46494f94370a5d35f9baf8897f953014b1039c3
ripemd-160
d5c917180e124482518f2a94716d9b28abea691e
Diameter
1323278548
Circumference
4157202165.0498
Area
1.3752841111774E+18
Volume
1.2132559744842E+27
Surface area
5.5011364447095E+18
Circumference
4157202165.0498
Perimeter
2646557096
Area
437766528899247076
Diagonal
935699234.68949
Surface area
2626599173395482456
Volume
2.896435283624E+26
Space diagonal
1145992838.851
Perimeter
1984917822
Area
1.8955846747664E+17
Altitude
572996419.42549
Surface area
1.8955846747664E+17
Volume
3.4134817171975E+25
Height
311899744.8965