678742661 is an odd 9-digits prime number following 678742660
and preceding 678742662 . In scientific notation, it is written as 6.78742661 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 678742660 positive integers (up to 678742661) that are relatively prime to 678742661.
678742661 has 2 divisors, whose sum is 678742662
The reverse of 678742661 is 166247876
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred seventy-eight million seven hundred forty-two thousand six hundred sixty-one
Scientific notation
6.78742661 × 10^8
Engineering notation
6.78742661 × 10^6
Prime Factorization
678742661
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
678742661
Product of the distinct prime numbers
The prime factorization of 678742661 is 678742661.
Since it has a total of 1 prime factors.
7 , 8 , 32 , 31 , 654 , 282 , 5592 , 9161 , 37786 , 90781 , 764374 , 399005 , 7137771 , 4722264 , 2844204 , 11674917 , 885579712 , 646718834 , 2347938654 , 4054545457
n×2
1357485322
n×3
2036227983
n×4
2714970644
n×5
3393713305
n÷2
339371330.5
n÷3
226247553.66667
n÷3
169685665.25
n÷5
135748532.2
n2
460691599861360921
n3
3.1269104239025E+26
n4
2.1223675018282E+35
n5
1.4405413658108E+44
2 √n
26052.690091428
3 √n
878.8236093083
4 √n
161.40845731073
5 √n
58.390343394395
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
678742662
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
339371331
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
26052.69011062
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999970534
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 678742661 can be divided by 2 positive divisors.
The sum of these divisors (counting 678742661) is 678742662, the average is 339371331.
Base
System
Value
2
Binary
101000011101001100101010000101
3
Ternary
1202022011200220002
4
Quaternary
220131030222011
5
Quinary
2342224231121
6
Senary
151203451045
8
Octal
5035145205
10
Decimal
678742661
12
Duodecimal
16b386a85
16
Hexadecimal
2874ca85
20
Vigesimal
ac22gd1
36
Base36
b83t6t
md5
5a67fc685977a3b917babd24c27971a2
sha1
4acf6b38c04d704985fd913c273d1e766e437b36
sha256
c997ea3c8bdbe7ed8aa6501bb67373c8c0055d7a44c6d8312a60595ae5cb2fe9
sha512
519856c503e9251375f8151a16722adb4c502cbdd72f5e35965df50845a185395bbe170f02c147b1cb5f8332d72b48015447613709d971efcc5184efc8a9c316
ripemd-160
bc998918fb32c10d6338355c2240db1b52e3679b
Diameter
1357485322
Circumference
4264665914.9512
Area
1.447305345695E+18
Volume
1.3097971754887E+27
Surface area
5.7892213827799E+18
Circumference
4264665914.9512
Perimeter
2714970644
Area
460691599861360921
Diagonal
959887076.5474
Surface area
2764149599168165526
Volume
3.1269104239025E+26
Space diagonal
1175616774.1165
Perimeter
2036227983
Area
1.9948531439502E+17
Altitude
587808387.05825
Surface area
1.9948531439502E+17
Volume
3.6850992748406E+25
Height
319962358.84913