666943961 is an odd 9-digits composite number following 666943960
and preceding 666943962 . In scientific notation, it is written as 6.66943961 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 666890292 positive integers (up to 666943961) that are relatively prime to 666943961.
666943961 has 4 divisors, whose sum is 666997632
The reverse of 666943961 is 169349666
Previous prime number is 19543
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred sixty-six million nine hundred forty-three thousand nine hundred sixty-one
Scientific notation
6.66943961 × 10^8
Engineering notation
6.66943961 × 10^6
Prime Factorization
19543 × 34127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
666943961
Product of the distinct prime numbers
The prime factorization of 666943961 is 19543 × 34127.
Since it has a total of 2 prime factors.
3 , 8 , 23 , 10 , 969 , 383 , 3462 , 3395 , 38351 , 25469 , 563629 , 415794 , 80077 , 4881612 , 7390004 , 76655393 , 138781867 , 407777350 , 8684607512 , 4238795790
n×2
1333887922
n×3
2000831883
n×4
2667775844
n×5
3334719805
n÷2
333471980.5
n÷3
222314653.66667
n÷3
166735990.25
n÷5
133388792.2
n2
444814247114369521
n3
2.9666617587969E+26
n4
1.9785971443592E+35
n5
1.3196134166822E+44
2 √n
25825.258198128
3 √n
873.7015674036
4 √n
160.70239014442
5 √n
58.185915095007
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-666943960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 666943961 can be divided by 4 positive divisors.
The sum of these divisors (counting 666943961) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110000001100000111011001
3
Ternary
1201110222021010012
4
Quaternary
213300030013121
5
Quinary
2331214201321
6
Senary
150102531305
8
Octal
4760140731
10
Decimal
666943961
12
Duodecimal
167436b35
16
Hexadecimal
27c0c1d9
20
Vigesimal
a887ji1
36
Base36
b12x95
md5
667d4ac5270abb27269b04ebd9f1fba8
sha1
1ced43d959e98bd48f2e3dc3fa63f623be5aa891
sha256
633c17eff48af0430923a82b79aed79cd46ac85e7ac4fd207f55a5f22bc8d687
sha512
9869b37c289bcfd1c4b6e2d04e91548d6b215d7cdaed90571103f548639343b44a98a39264bdc3177dd4aa3e1fa7004a0afa927336212e7f0a501e3181cae9fa
ripemd-160
d7f96211d6ab8994568e087d09d337d0c2a61ff6
Diameter
1333887922
Circumference
4190532496.4674
Area
1.3974251709466E+18
Volume
1.2426723716163E+27
Surface area
5.5897006837863E+18
Circumference
4190532496.4674
Perimeter
2667775844
Area
444814247114369521
Diagonal
943201194.98903
Surface area
2668885482686217126
Volume
2.9666617587969E+26
Space diagonal
1155180826.2532
Perimeter
2000831883
Area
1.9261021898315E+17
Altitude
577590413.12662
Surface area
1.9261021898315E+17
Volume
3.4962444118868E+25
Height
314400398.32968