678668857 is an odd 9-digits composite number following 678668856
and preceding 678668858 . In scientific notation, it is written as 6.78668857 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 676877796 positive integers (up to 678668857) that are relatively prime to 678668857.
678668857 has 4 divisors, whose sum is 680459920
The reverse of 678668857 is 758866876
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
six hundred seventy-eight million six hundred sixty-eight thousand eight hundred fifty-seven
Scientific notation
6.78668857 × 10^8
Engineering notation
6.78668857 × 10^6
Prime Factorization
379 × 1790683
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
678668857
Product of the distinct prime numbers
The prime factorization of 678668857 is 379 × 1790683.
Since it has a total of 2 prime factors.
3 , 8 , 44 , 89 , 493 , 619 , 4025 , 4053 , 18196 , 40599 , 348161 , 834025 , 43412 , 7117167 , 93286082 , 68265812 , 999222527 , 900247103 , 10646587 , 2092800282
n×2
1357337714
n×3
2036006571
n×4
2714675428
n×5
3393344285
n÷2
339334428.5
n÷3
226222952.33333
n÷3
169667214.25
n÷5
135733771.4
n2
460591417461686449
n3
3.1258905083273E+26
n4
2.1214445383937E+35
n5
1.4397583400605E+44
2 √n
26051.273615699
3 √n
878.79175479631
4 √n
161.40406939014
5 √n
58.38907350859
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
-678668856
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 678668857 can be divided by 4 positive divisors.
The sum of these divisors (counting 678668857) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000011100111010101000111001
3
Ternary
1202022000221122121
4
Quaternary
220130322220321
5
Quinary
2342214400412
6
Senary
151202121241
8
Octal
5034725071
10
Decimal
678668857
12
Duodecimal
16b350221
16
Hexadecimal
2873aa39
20
Vigesimal
ac1dc2h
36
Base36
b8288p
md5
25693c7c74c4e11304f425d622cd5ed2
sha1
a464dd38f32877d8472650c331a30a6f9f0047f8
sha256
96f6f1c5f5c9eefd574cfcea572d86daf6acc9bdd10a8ff124326ec29737be7a
sha512
cee98f452d2bd3d269867af1a70413e80a75750f454debb790ab45fb91b4c205f22bc4ecaca93fda2287f23d067fe7afdd84d2b50e34e54f3f55cad368001432
ripemd-160
383e72947b35d8738d44fd2fae4a6c418a2b0c30
Diameter
1357337714
Circumference
4264202190.7428
Area
1.4469906134041E+18
Volume
1.3093699542516E+27
Surface area
5.7879624536166E+18
Circumference
4264202190.7428
Perimeter
2714675428
Area
460591417461686449
Diagonal
959782701.92965
Surface area
2763548504770118694
Volume
3.1258905083273E+26
Space diagonal
1175488941.8387
Perimeter
2036006571
Area
1.9944193414345E+17
Altitude
587744470.91935
Surface area
1.9944193414345E+17
Volume
3.6838972928082E+25
Height
319927567.30988