660887961 is an odd 9-digits composite number following 660887960
and preceding 660887962 . In scientific notation, it is written as 6.60887961 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 436474080 positive integers (up to 660887961) that are relatively prime to 660887961.
660887961 has 8 divisors, whose sum is 889419744
The reverse of 660887961 is 169788066
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred sixty million eight hundred eighty-seven thousand nine hundred sixty-one
Scientific notation
6.60887961 × 10^8
Engineering notation
6.60887961 × 10^6
Prime Factorization
3 × 107 × 2058841
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
660887961
Product of the distinct prime numbers
The prime factorization of 660887961 is 3 × 107 × 2058841.
Since it has a total of 3 prime factors.
1 , 2 , 40 , 98 , 962 , 278 , 1764 , 9516 , 95000 , 57568 , 847793 , 376595 , 3372582 , 3777516 , 34016034 , 11694086 , 920299726 , 124840383 , 5821447902 , 4186959357
n×2
1321775922
n×3
1982663883
n×4
2643551844
n×5
3304439805
n÷2
330443980.5
n÷3
220295987
n÷3
165221990.25
n÷5
132177592.2
n2
436772896994737521
n3
2.8865794931492E+26
n4
1.9077056354918E+35
n5
1.2607796876284E+44
2 √n
25707.741266008
3 √n
871.04905425718
4 √n
160.33633794623
5 √n
58.0798609755
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
-660887960
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 660887961 can be divided by 8 positive divisors.
The sum of these divisors (counting 660887961) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011001000101100110011001
3
Ternary
1201001120120211220
4
Quaternary
213121011212121
5
Quinary
2323141403321
6
Senary
145325042253
8
Octal
4731054631
10
Decimal
660887961
12
Duodecimal
1653b6389
16
Hexadecimal
27645999
20
Vigesimal
a6aaji1
36
Base36
axh4ex
md5
d532d5ae6090cee142e73c87d836de56
sha1
30a12ad5753ed6adb7d43fdbaff765673687244b
sha256
24dd63fccb71fa4195e69ffba4ccad7caef73c99c9d8b6fb39f78cb1349f66a3
sha512
0c5a5ba93fd1b86c7ef6ef5449770439fb9cfc1f5632491d24d67bf9d271e96f415d48822842a9c72cb30e32af34a1e2e8dc64c29a73fa1ba62a8734e6ef282a
ripemd-160
399b395f5fc8e012ef66063b32f0474e7cf3192f
Diameter
1321775922
Circumference
4152481526.2471
Area
1.3721625244858E+18
Volume
1.209127590624E+27
Surface area
5.4886500979432E+18
Circumference
4152481526.2471
Perimeter
2643551844
Area
436772896994737521
Diagonal
934636717.6553
Surface area
2620637381968425126
Volume
2.8865794931492E+26
Space diagonal
1144691526.5626
Perimeter
1982663883
Area
1.8912821224098E+17
Altitude
572345763.2813
Surface area
1.8912821224098E+17
Volume
3.401866556733E+25
Height
311545572.55177