661330371 is an odd 9-digits composite number following 661330370
and preceding 661330372 . In scientific notation, it is written as 6.61330371 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 406972512 positive integers (up to 661330371) that are relatively prime to 661330371.
661330371 has 8 divisors, whose sum is 949602640
The reverse of 661330371 is 173033166
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
six hundred sixty-one million three hundred thirty thousand three hundred seventy-one
Scientific notation
6.61330371 × 10^8
Engineering notation
6.61330371 × 10^6
Prime Factorization
3 × 13 × 16957189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661330371
Product of the distinct prime numbers
The prime factorization of 661330371 is 3 × 13 × 16957189.
Since it has a total of 3 prime factors.
1 , 2 , 86 , 50 , 617 , 928 , 1758 , 220 , 94505 , 69867 , 157156 , 101284 , 1140952 , 3103335 , 85211756 , 50153856 , 929386895 , 931956990 , 7307474167 , 7500120906
n×2
1322660742
n×3
1983991113
n×4
2645321484
n×5
3306651855
n÷2
330665185.5
n÷3
220443457
n÷3
165332592.75
n÷5
132266074.2
n2
437357859606997641
n3
2.8923803555366E+26
n4
1.9128189736001E+35
n5
1.2650052814668E+44
2 √n
25716.344433064
3 √n
871.24337607757
4 √n
160.36316420258
5 √n
58.08763482985
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
-661330370
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 661330371 can be divided by 8 positive divisors.
The sum of these divisors (counting 661330371) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011010110001100111000011
3
Ternary
1201002102001201110
4
Quaternary
213122301213003
5
Quinary
2323300032441
6
Senary
145342334403
8
Octal
4732614703
10
Decimal
661330371
12
Duodecimal
16558a403
16
Hexadecimal
276b19c3
20
Vigesimal
a6d65ib
36
Base36
axqls3
md5
b33ba6c3504e084e115688179524ba55
sha1
0a87cc114a419cbfd3902f965f5a4495c9129f8e
sha256
0dcbf6336cd6e8067e37a5737c24a6b6f2f30058c289f98cb5f25f36d6fef3fe
sha512
62972928103ae643683fbcf89ae9701f0ee8bb7bd89772bf407b9c1501f5c7a89eb8d57dcdbf47d12e17e2a54caa355ed1ba2ba6c02a5f7a4a271b8be26f1a48
ripemd-160
8ab7f9824e7025dd4d845ab880d62ad1dbc93c35
Diameter
1322660742
Circumference
4155261270.2588
Area
1.3740002387311E+18
Volume
1.2115574501788E+27
Surface area
5.4960009549244E+18
Circumference
4155261270.2588
Perimeter
2645321484
Area
437357859606997641
Diagonal
935262379.87743
Surface area
2624147157641985846
Volume
2.8923803555366E+26
Space diagonal
1145457803.1604
Perimeter
1983991113
Area
1.8938150848222E+17
Altitude
572728901.58019
Surface area
1.8938150848222E+17
Volume
3.4087029386178E+25
Height
311754126.62581