961661491 is an odd 9-digits composite number following 961661490
and preceding 961661492 . In scientific notation, it is written as 9.61661491 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 775166976 positive integers (up to 961661491) that are relatively prime to 961661491.
961661491 has 8 divisors, whose sum is 970526880
The reverse of 961661491 is 194166169
Previous prime number is 1657
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
nine hundred sixty-one million six hundred sixty-one thousand four hundred ninety-one
Scientific notation
9.61661491 × 10^8
Engineering notation
9.61661491 × 10^6
Prime Factorization
119 × 1657 × 4877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
961661491
Product of the distinct prime numbers
The prime factorization of 961661491 is 119 × 1657 × 4877.
Since it has a total of 3 prime factors.
9 , 9 , 67 , 86 , 433 , 34 , 5496 , 5369 , 11776 , 84619 , 739798 , 103388 , 5938519 , 1840021 , 37287152 , 20822125 , 133618667 , 248458916 , 4406207597 , 7039787870
n×2
1923322982
n×3
2884984473
n×4
3846645964
n×5
4808307455
n÷2
480830745.5
n÷3
320553830.33333
n÷3
240415372.75
n÷5
192332298.2
n2
924792823272343081
n3
8.8933764529418E+26
n4
8.5524176597603E+35
n5
8.2245307183398E+44
2 √n
31010.667374308
3 √n
987.05361133076
4 √n
176.09845931838
5 √n
62.604340530462
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
-961661490
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 961661491 can be divided by 8 positive divisors.
The sum of these divisors (counting 961661491) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001010100011100101000110011
3
Ternary
2111000112110120021
4
Quaternary
321110130220303
5
Quinary
3432141131431
6
Senary
235231424311
8
Octal
7124345063
10
Decimal
961661491
12
Duodecimal
22a085097
16
Hexadecimal
3951ca33
20
Vigesimal
f0a7deb
36
Base36
fwjqr7
md5
d4b2034e5c61157a0ebc8577f01e4861
sha1
faeccc6c32a2909ab9a8c4b2de684570a2d0d952
sha256
1ae9ed97179edc44f3370314336bccf3c77a44a3af0f975d0acb025003de2595
sha512
56d0810c6958fd38726a1ebf0bcd7e6c981a1e9167d20536ab218ed6b094c116948fb682b07d01b5fd924a76e13e57dd7a1d08c0926ee038e9d9c56a2a8e0e16
ripemd-160
2f18e3961c52fcdea5c8dcecd7e57677207dc679
Diameter
1923322982
Circumference
6042297350.7316
Area
2.905322339685E+18
Volume
3.7252488173561E+27
Surface area
1.162128935874E+19
Circumference
6042297350.7316
Perimeter
3846645964
Area
924792823272343081
Diagonal
1359994722.9841
Surface area
5548756939634058486
Volume
8.8933764529418E+26
Space diagonal
1665646562.0944
Perimeter
2884984473
Area
4.0044703909569E+17
Altitude
832823281.04722
Surface area
4.0044703909569E+17
Volume
1.0480944662533E+26
Height
453331574.32804