661350668 is an even 9-digits composite number following 661350667
and preceding 661350669 . In scientific notation, it is written as 6.61350668 × 10^8.
The sum of its digits is 41. It has a total of 5 prime factors and 18 positive divisors.
There are 300613720 positive integers (up to 661350668) that are relatively prime to 661350668.
661350668 has 18 divisors, whose sum is 1272144468
The reverse of 661350668 is 866053166
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred sixty-one million three hundred fifty thousand six hundred sixty-eight
Scientific notation
6.61350668 × 10^8
Engineering notation
6.61350668 × 10^6
Prime Factorization
2 × 2 × 11 × 11 × 1366427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30061394
Product of the distinct prime numbers
The prime factorization of 661350668 is 2 × 2 × 11 × 11 × 1366427.
Since it has a total of 5 prime factors.
4 , 2 , 37 , 14 , 125 , 262 , 6046 , 5461 , 14282 , 40026 , 847426 , 603909 , 9716051 , 7355817 , 58409887 , 72359881 , 790875519 , 367463168 , 9097731845 , 1158570056
n×2
1322701336
n×3
1984052004
n×4
2645402672
n×5
3306753340
n÷2
330675334
n÷3
220450222.66667
n÷3
165337667
n÷5
132270133.6
n2
437384706064046224
n3
2.8926466752844E+26
n4
1.9130538109873E+35
n5
1.2651994158164E+44
2 √n
25716.739062331
3 √n
871.25228914466
4 √n
160.36439462153
5 √n
58.087991380918
1 , 2 , 4 , 11 , 22 , 44 , 121 , 242 , 484 , 1366427 , 2732854 , 5465708 , 15030697 , 30061394 , 60122788 , 165337667 , 330675334 , 661350668
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-661350667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 661350668 can be divided by 18 positive divisors.
The sum of these divisors (counting 661350668) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100111011010110110100100001100
3
Ternary
1201002110002120012
4
Quaternary
213122312210030
5
Quinary
2323301210133
6
Senary
145343012352
8
Octal
4732664414
10
Decimal
661350668
12
Duodecimal
16559a0b8
16
Hexadecimal
276b690c
20
Vigesimal
a6d8gd8
36
Base36
axr1fw
md5
157f7e283993283a84edbe34a20fab0b
sha1
54bdc7b03cf87dd70bae298beae6f52d57ba460c
sha256
4ee33e931f94d5dc52e28e74952308f0e0f1f3a8dd2f14c489d08058d7c3aae1
sha512
c270c55511189abd67e1620242c1b83eec3f5c0c9f1b1a8872d1a22d3df76ac039c2cb20c29a2d13bab437e2a450403f0d5e782a4f8f94b0196ed5bf6652a7ed
ripemd-160
4d17632c34d0af3b749876d80345e6c70e7e90fe
Diameter
1322701336
Circumference
4155388800.071
Area
1.3740845793633E+18
Volume
1.2116690059339E+27
Surface area
5.4963383174534E+18
Circumference
4155388800.071
Perimeter
2645402672
Area
437384706064046224
Diagonal
935291084.17011
Surface area
2624308236384277344
Volume
2.8926466752844E+26
Space diagonal
1145492958.5956
Perimeter
1984052004
Area
1.8939313333913E+17
Altitude
572746479.29781
Surface area
1.8939313333913E+17
Volume
3.4090167994505E+25
Height
311763694.72337