666996861 is an odd 9-digits composite number following 666996860
and preceding 666996862 . In scientific notation, it is written as 6.66996861 × 10^8.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 441679952 positive integers (up to 666996861) that are relatively prime to 666996861.
666996861 has 8 divisors, whose sum is 895298400
The reverse of 666996861 is 168699666
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred sixty-six million nine hundred ninety-six thousand eight hundred sixty-one
Scientific notation
6.66996861 × 10^8
Engineering notation
6.66996861 × 10^6
Prime Factorization
3 × 149 × 1492163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
666996861
Product of the distinct prime numbers
The prime factorization of 666996861 is 3 × 149 × 1492163.
Since it has a total of 3 prime factors.
10 , 2 , 22 , 40 , 340 , 37 , 1530 , 6200 , 50324 , 84619 , 706260 , 575985 , 3171087 , 2899036 , 52148032 , 57730015 , 154266963 , 303262222 , 9997925111 , 5024106451
n×2
1333993722
n×3
2000990583
n×4
2667987444
n×5
3334984305
n÷2
333498430.5
n÷3
222332287
n÷3
166749215.25
n÷5
133399372.2
n2
444884812583853321
n3
2.967367735E+26
n4
1.9792249646777E+35
n5
1.3201368386529E+44
2 √n
25826.282368936
3 √n
873.72466659118
4 √n
160.70557665786
5 √n
58.186838092271
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
-666996860
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 666996861 can be divided by 8 positive divisors.
The sum of these divisors (counting 666996861) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110000011001000001111101
3
Ternary
1201111001221200110
4
Quaternary
213300121001331
5
Quinary
2331222344421
6
Senary
150104020233
8
Octal
4760310175
10
Decimal
666996861
12
Duodecimal
167461679
16
Hexadecimal
27c1907d
20
Vigesimal
a88ec31
36
Base36
b1422l
md5
08b8524536790794f900e519806a02fe
sha1
100ec31d10af9aec7641c3d7c92c5643d6162925
sha256
f1a622f8b6ad5bbee120e29e679963c1568629c42f6c9efb7478fb3cf8d4623a
sha512
b85ef894a420f4172e947e2478d131acc5daed7b5be97d784f9dafec87fcc322f8184e5041104441530209c1fe12dd87c51cd1ef5b73e0aaf40954a8a23b9c77
ripemd-160
212af2700ae05a7fc2c03b1ae45ee5c388747756
Diameter
1333993722
Circumference
4190864876.9701
Area
1.3976468589071E+18
Volume
1.2429680902367E+27
Surface area
5.5905874356284E+18
Circumference
4190864876.9701
Perimeter
2667987444
Area
444884812583853321
Diagonal
943276006.88648
Surface area
2669308875503119926
Volume
2.967367735E+26
Space diagonal
1155272451.741
Perimeter
2000990583
Area
1.9264077472775E+17
Altitude
577636225.87048
Surface area
1.9264077472775E+17
Volume
3.4970764128212E+25
Height
314425335.62883