668542261 is an odd 9-digits prime number following 668542260
and preceding 668542262 . In scientific notation, it is written as 6.68542261 × 10^8.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 668542260 positive integers (up to 668542261) that are relatively prime to 668542261.
668542261 has 2 divisors, whose sum is 668542262
The reverse of 668542261 is 162245866
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred sixty-eight million five hundred forty-two thousand two hundred sixty-one
Scientific notation
6.68542261 × 10^8
Engineering notation
6.68542261 × 10^6
Prime Factorization
668542261
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
668542261
Product of the distinct prime numbers
The prime factorization of 668542261 is 668542261.
Since it has a total of 1 prime factors.
10 , 10 , 40 , 44 , 677 , 100 , 6509 , 8466 , 52733 , 64642 , 649875 , 673713 , 932012 , 9414469 , 45987200 , 75695261 , 755557726 , 749247845 , 7787149319 , 3956372732
n×2
1337084522
n×3
2005626783
n×4
2674169044
n×5
3342711305
n÷2
334271130.5
n÷3
222847420.33333
n÷3
167135565.25
n÷5
133708452.2
n2
446948754742992121
n3
2.9880413104701E+26
n4
1.9976318936631E+35
n5
1.3355013428352E+44
2 √n
25856.184192568
3 √n
874.3989389374
4 √n
160.79858268209
5 √n
58.213776365167
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
668542262
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
334271131
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25856.184211906
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999970084
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668542261 can be divided by 2 positive divisors.
The sum of these divisors (counting 668542261) is 668542262, the average is 334271131.
Base
System
Value
2
Binary
100111110110010010010100110101
3
Ternary
1201120222110120111
4
Quaternary
213312102110311
5
Quinary
2332121323021
6
Senary
150201103021
8
Octal
4766222465
10
Decimal
668542261
12
Duodecimal
167a87a71
16
Hexadecimal
27d92535
20
Vigesimal
a8i7fd1
36
Base36
b216id
md5
3b3f03a21c240e415537c1a171d346f8
sha1
b061f7f94a5b3eae0be75bd230ecf00c033c2cc3
sha256
8dc4ac6678984ac246b1672bafec1ee325ca42be5c3f65f0f9fbf8739e5f2fde
sha512
ee3466eb8f1e0f2357a91033268a7b830dd549708eb7a3c79aeaa466b2a7c10a182127110c7691a8609989729bbb2662c55533a1589b1821c9191c481bfb0152
ripemd-160
5b49f7e2215393164f5a7364149a578e6032f84a
Diameter
1337084522
Circumference
4200574911.5438
Area
1.4041309244317E+18
Volume
1.2516278172794E+27
Surface area
5.6165236977268E+18
Circumference
4200574911.5438
Perimeter
2674169044
Area
446948754742992121
Diagonal
945461532.52577
Surface area
2681692528457952726
Volume
2.9880413104701E+26
Space diagonal
1157949163.059
Perimeter
2005626783
Area
1.9353448789863E+17
Altitude
578974581.52949
Surface area
1.9353448789863E+17
Volume
3.521440455165E+25
Height
315153844.17526